CN218015768U - Flue gas collecting device of continuous casting bale turntable - Google Patents

Abstract

The utility model provides a flue gas trapping device of a continuous casting bale turntable, which comprises a dust hood, wherein the dust hood consists of a left half hood body and a right half hood body which are separated, and the left half hood body and the right half hood body are provided with matching structures used for matching with a guide support structure in a workshop, so that a ladle and a tundish are butted and covered by the opposite movement of the left half hood body and the right half hood body when the ladle is poured; the dust absorption pipeline is arranged in the dust hood, and the dust absorption pipeline is provided with a dust absorption opening for arranging towards the steel ladle and a dust outlet for communicating with a main pipeline outside the dust hood, so that smoke generated in the process of pouring is sucked into the dust absorption pipeline through the dust absorption opening and then is discharged into a main pipeline through the dust outlet. The utility model provides a continuous casting bale revolving stage flue gas trapping device has effectively solved the technical problem that the flue gas that produces when the pouring carries out the collection among the prior art.

Description

Flue gas collecting device of continuous casting bale turntable

Technical Field

The utility model relates to a big package revolving stage flue gas entrapment device of continuous casting belongs to dust collector technical field for the pouring.

Background

The ladle turret (also known as a large ladle turntable) is the most common equipment for carrying and supporting a ladle for pouring in modern continuous casting, and due to the particularity of ladle operation and equipment, a large amount of inorganically dispersed dust-containing flue gas can be generated in the process of pouring the ladle into a tundish, and if the flue gas cannot be effectively collected in time, the flue gas can be dispersed into a workshop to cause serious environmental pollution.

For solving the collection problem of flue gas, the fixed cover of side suction or roof cover is adopted to traditional practice, but because the restriction in space in the factory building, the fixed cover of side suction or roof cover all apart from the pouring position far away, when using, just need be great with the amount of wind setting, increased use cost. In addition, under the condition that the amount of generated flue gas is large, the side-suction fixed cover and the roof cover are far away from the pouring position, so that the side-suction fixed cover and the roof cover can only remove part of the flue gas, and the rest of the flue gas can be diffused into a factory building to pollute the air environment of the factory building.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bale revolving stage flue gas entrapment device of continuous casting to the flue gas that produces when solving among the prior art to the pouring carries out the technical problem who collects.

The utility model discloses well continuous casting bale revolving stage flue gas entrapment device adopts following technical scheme:

the flue gas trapping device of the continuous casting ladle turntable comprises a dust hood, wherein the dust hood consists of a left half hood body and a right half hood body which are separated, and matching structures used for matching with a guide supporting structure in a workshop are arranged on the left half hood body and the right half hood body, so that a ladle and a tundish are butted and covered through the opposite movement of the left half hood body and the right half hood body when the ladle is poured; the dust absorption pipeline is arranged in the dust hood, and the dust absorption pipeline is provided with a dust absorption opening for arranging towards the steel ladle and a dust outlet for communicating with a main pipeline outside the dust hood, so that smoke generated in the process of pouring is sucked into the dust absorption pipeline through the dust absorption opening and then is discharged into a main pipeline through the dust outlet.

Has the advantages that: the utility model provides a big packet of revolving stage flue gas entrapment device of continuous casting, the left half cover body and the right half cover body of dust excluding hood cooperate through the direction bearing structure in cooperation structure and the workshop, when the pouring, the left and right half cover body docks and covers ladle and centre package through direction bearing structure relative motion, the flue gas that produces among the pouring process upwards gets into the dust excluding hood, in the dust absorption mouth entering dust absorption pipeline of back through the dust absorption pipeline, then discharge to the trunk line in through dust absorption pipeline play dirt mouth, accomplish the elimination to the flue gas. In addition, as the dust suction pipeline is arranged in the dust hood, and the dust suction port of the dust suction pipeline is arranged towards the steel ladle, the flue gas can be sucked into the dust suction pipeline in time after entering the dust hood, and the dust removal efficiency is improved.

Furthermore, the dust suction pipeline comprises a main pipeline extending transversely and a branch pipeline extending downwards, the upper end of the branch pipeline is communicated with the main pipeline, the lower end of the branch pipeline forms the dust suction port, and the dust outlet is arranged on the main pipeline.

Has the beneficial effects that: the arrangement mode that the main pipeline transversely extends and the branch pipelines downwardly extend is simple, and the arrangement is more convenient.

Furthermore, a drainage cover with an open lower end is arranged at the dust suction opening and used for introducing the smoke into the dust suction opening.

Has the beneficial effects that: the arrangement can lead the flue gas in a larger range into the dust suction port, thereby improving the dust removal effect.

The main pipeline is composed of a left main pipeline section and a right main pipeline section which are separated, the left main pipeline section is arranged in the left half cover body, the right main pipeline section is arranged in the right half cover body, the two main pipeline sections are spliced into a complete pipeline when the two half cover bodies are butted, the dust suction port is arranged on any one of the two main pipeline sections, two branch pipelines are arranged corresponding to the left main pipeline section and the right main pipeline section, and the two branch pipelines are respectively connected with the corresponding main pipeline sections.

Has the beneficial effects that: the main pipeline and the branch pipelines are reasonable in arrangement structure; and the left main pipe section is arranged in the left half cover body, and the right main pipe section is arranged in the right half cover body, so that the number of smoking pipelines in the left and right half cover bodies is balanced, the situation that smoke is concentrated in a certain half cover body is avoided, and the smoking effect is better.

Furthermore, an air suction opening is formed in the main pipeline, so that the flue gas in the dust hood can be sucked into the main pipeline through the air suction opening.

Has the beneficial effects that: when the flue gas can not enter the main pipeline through the branch pipeline, the flue gas can also enter the main pipeline through the air suction opening, so that the trapping device has a better elimination effect on the flue gas.

Further, the left side wall of the left half cover body and the right side wall of the right half cover body are provided with a drainage plate, and the front side wall of the two half cover bodies and the bottom of the rear side wall and the drainage plate jointly form an open structure so as to introduce the flue gas generated during pouring into the dust hood.

Has the advantages that: set up like this and can introduce the dust excluding hood with the flue gas that produces during the pouring better to avoid the flue gas to disperse outside the dust excluding hood, realize better dust removal effect.

Further, direction bearing structure is including being used for setting up the bottom track on the workshop support and being used for setting up the top track on the workshop main truss, and the bottom track is located the front side bottom of the left half cover body and the right half cover body, and the top track is located the rear side top of the left half cover body and the right half cover body, cooperation structure is including setting up the bottom gyro wheel in the front side bottom of the left half cover body and the right half cover body respectively, cooperation structure is still including setting up the top gyro wheel at the rear side top of the left half cover body and the right half cover body respectively.

Has the advantages that: can reduce through gyro wheel and track cooperation with orbital friction, make the removal of left and right half cover body more in the same direction as smooth.

Furthermore, the bottom of the front side wall of the left half cover body and the right half cover body is provided with a travelling beam extending along the left-right direction, bottom rollers are arranged on the two half cover bodies through the corresponding travelling beams respectively, and the butt joint face of the bottom of the front side wall of the left half cover body and the butt joint face of the bottom of the front side wall of the right half cover body are provided with avoidance openings so as to avoid corresponding ends of the travelling beam when the two half cover bodies are in butt joint.

Has the advantages that: because the side walls of the left half cover body and the right half cover body are thinner, the bottom idler wheels are more conveniently and reasonably arranged on the two half cover bodies through the travelling beam; in addition, because the travelling beam has errors in processing and installation, the arrangement of the avoiding port can avoid the travelling beam from interfering when the two half cover bodies are butted, thereby influencing the normal butt joint of the two half cover bodies.

Furtherly, the half cover body on the left side and the butt joint face department of the half cover body on the right side have arranged labyrinth seal structure to prevent that the flue gas from dispersing outside the dust excluding hood through the butt joint department of the two half cover bodies.

Has the beneficial effects that: labyrinth seal structure's setting can make the butt joint of the left half cover body and the right half cover body inseparabler, can prevent effectively that the flue gas from dispersing outside the dust excluding hood through the butt joint department of the two half cover bodies, has guaranteed the dust removal effect of dust excluding hood.

Furthermore, heat insulation plates are arranged on the inner sides of all side walls of the dust removing cover and the outer side wall of the dust suction pipeline.

Has the beneficial effects that: the arrangement of the heat insulation plate can protect the dust hood and the dust absorption pipeline, thereby prolonging the service life of the collecting device.

Drawings

FIG. 1 is a front view of the flue gas collecting device of the continuous casting ladle turret of the present invention;

FIG. 2 is a side view of the flue gas collecting device of the continuous casting ladle turret of the present invention;

fig. 3 is a plan view of the flue gas collecting device of the ladle turret of the utility model.

Names of components corresponding to corresponding reference numerals in the drawings are:

100. a dust hood; 101. a left half cover body; 102. a right half cover body; 103. a dust collection pipeline; 104. a main pipeline; 105. a left main pipe section; 106. a right main pipe section; 107. a dust outlet; 108. a branch pipeline; 109. a dust suction port; 110. a drainage cover; 111. a drainage plate; 112. a bottom roller; 113. a top roller; 114. a bottom travelling crane beam; 115. a top drive beam; 116. avoiding the mouth; 117. a labyrinth seal structure; 200. a bottom rail; 201. a top rail; 202. a workshop support; 203. a workshop main truss; 204. and (4) a bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the detailed description of the present invention, terms such as "first" and "second" may be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises a component of 8230; \8230;" comprises an element of 8230; "etc. may occur does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the component.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected internally or indirectly to each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses embodiment 1 of well continuous casting bale revolving stage flue gas entrapment device:

as shown in fig. 1, the flue gas collecting device for the continuous casting ladle turret provided by this embodiment includes a dust hood 100, the dust hood 100 is composed of a left half hood body 101 and a right half hood body 102 which are separated from each other, a dust suction pipeline 103 is arranged inside the dust hood 100, and a dust suction port 109 and a dust outlet 107 are arranged on the dust suction pipeline 103. During pouring, the left cover half body and the right cover half body move in opposite directions to be in butt joint and cover the steel ladle and the tundish, and smoke generated during pouring flows into the dust suction pipeline 103 through the dust suction port 109 of the dust suction pipeline 103 and then flows into a main pipeline outside the dust hood 100 through the dust outlet 107 of the dust suction pipeline 103.

In this embodiment, as shown in fig. 1 and fig. 2, the dust suction pipeline 103 includes a main pipeline 104 extending transversely and a branch pipeline 108 extending downwardly, the main pipeline 104 is composed of a left main pipeline section 105 and a right main pipeline section 106 which are separated, the left main pipeline section 105 is arranged in the left half cover body 101, the right main pipeline section 106 is arranged in the right half cover body 102, and the two main pipeline sections are spliced into a complete pipeline when the left half cover body 101 and the right half cover body 102 are butted. Flanges are provided at the butt ends of the two main pipe sections so that the two main pipes 104 are butted by the flanges, and in addition, a dust outlet 107 is arranged at the left end of the left main pipe section 105.

In this embodiment, as shown in the figure, two branch pipes 108 are provided corresponding to the left and right main pipe sections, the upper ends of the two branch pipes 108 are respectively connected to the corresponding main pipe sections, the two branch pipes 108 respectively extend downward along the side walls of the corresponding half cover bodies, the lower ends of the two branch pipes 108 form dust suction ports 109, the two dust suction ports 109 are arranged downward to face towards the steel ladle and the tundish when in use, and the distance between the two dust suction ports 109 and the bottom of the dust excluding hood 100 is one half of the overall height of the dust excluding hood 100, so that the distance between the dust suction ports 109 and the steel ladle is shortened, and the dust suction ports 109 can achieve a better dust suction effect.

In this embodiment, in order to ensure the dust collection effect of the dust collection opening 109, as shown in fig. 1, 2 and 3, a flow guide cover 110 is disposed at the dust collection opening 109, and a lower end of the flow guide cover 110 is of an open structure, so that smoke within a wider range can be introduced into the dust collection opening 109 under the action of the flow guide cover 110.

In this embodiment, in order to prevent the dust suction port 109 from sucking all the smoke generated in the casting process, the left main pipe section and the right main pipe section 106 are provided with air suction ports, the air suction ports are arranged on the front side and the rear side of the two main pipe sections, and the smoke not absorbed by the dust suction port 109 is collected at the top of the dust hood 100 under the action of the dust hood 100 and then is sucked into the main pipe 104 through the air suction ports.

In this embodiment, in order to prevent the flue gas generated during pouring from dispersing to the outside of the dust excluding hood 100, as shown in fig. 1 and 3, the bottoms of the left side wall of the left half hood body 101 and the right side wall of the right half hood body 102 are both provided with the flow guide plates 111, the flow guide plates 111 are arranged from top to bottom and face the outside of the dust excluding hood 100 in an inclined manner, and the bottom of the front side wall and the bottom of the rear side wall of the two half hood bodies and each flow guide plate 111 together form an open structure, so that the flue gas generated during pouring is introduced into the dust excluding hood 100.

In this embodiment, the left half cover body 101 and the right half cover body 102 are provided with a matching structure for matching with a guiding support structure in a workshop, as shown in fig. 1 and fig. 2, the guiding support structure includes a bottom rail 200 disposed on a workshop support 202 and a top rail 201 disposed on a workshop main truss 203, and the top rail 201 is disposed on the workshop main truss 203 through a bracket 204. Bottom track 200 is located the front side bottom of left half cover body 101 and right half cover body 102, and top track 201 is located the rear side top of left half cover body 101 and right half cover body 102.

In this embodiment, as shown in fig. 1 and fig. 2, the matching mechanism includes a bottom roller 112 and a top roller 113, where the bottom roller 112 is respectively disposed at the bottom of the front sides of the left half cover 101 and the right half cover 102 and is matched with the bottom rail 200, and the top roller 113 is respectively disposed at the top of the rear sides of the left half cover 101 and the right half cover 102 and is matched with the top rail 201.

In this embodiment, as shown in fig. 2, top traveling beams 115 are respectively provided at the top of the rear side wall of the left half cover body 101 and the top of the rear side wall of the right half cover body 102, the top traveling beams 115 extend in the left-right direction, and the top rollers 113 are arranged on the corresponding half cover bodies through the top traveling beams 115. The bottom of the front side wall of the left half cover body 101 and the bottom of the front side wall of the right half cover body 102 are respectively provided with a bottom travelling beam 114, the bottom travelling beams 114 extend in the left-right direction, and the bottom rollers 112 are arranged on the corresponding half cover bodies through a top travelling beam 115. In order to avoid the interference of the bottom travelling beams 114 on the two half cover bodies when the left and right half cover bodies are butted, an avoiding opening 116 is arranged at the butt joint surface of the bottom of the front side wall of the left and right half cover bodies so as to avoid the corresponding end of the bottom travelling beam 114 when the two half cover bodies are butted.

In this embodiment, the bottom roller 112 and the top roller 113 respectively include two driving wheels and two driven wheels, and the driving wheels are driven by the reduction motor to drive the left and right half cover bodies to move along the track. In addition, the left and right half cover bodies control the moving position thereof through a proximity switch. The arrangement method of the speed reducing motor and the proximity switch is the prior art, and is not described herein again.

In this embodiment, because the flue gas that produces during the pouring all carries higher heat, for protecting dust excluding hood 100 and dust absorption pipeline 103, the inboard of each lateral wall on the dust excluding hood 100 and the lateral wall department of dust absorption pipeline 103 all are equipped with the heat insulating board.

In this embodiment, in order to prevent the flue gas from diffusing out of the dust removing cover 100 through the joint of the two half cover bodies, as shown in fig. 3, a labyrinth seal structure 117 is arranged at the joint surface of the left half cover body 101 and the right half cover body 102.

In this embodiment, during pouring, the left and right half cover bodies move in opposite directions under the drive of the reduction motor to butt joint and cover the ladle and the tundish, smoke generated during pouring enters the dust excluding hood 100 under the drainage of the drainage plate 111, smoke entering the dust excluding hood 100 enters the main pipeline 104 through the dust suction port 109 of the branch pipeline 108 under the drainage of the drainage hood 110, smoke not entering the branch pipeline 108 collects at the top of the dust excluding hood 100 and enters the main pipeline 104 through the air suction port on the main pipeline 104, smoke in the main pipeline 104 enters the main pipeline through the dust outlet 107, thereby realizing effective elimination of smoke generated during pouring, and effectively improving the air environment in a workshop.

In other embodiments of the flue gas collecting device for the continuous casting ladle turret, the inner side of each side wall of the dust hood and the outer side wall of the dust absorption pipeline are not provided with a heat insulation plate, and each side wall of the dust hood and the dust absorption pipeline are made of heat-resistant materials.

In other embodiments of the flue gas trapping device for the continuous casting bale turntable, the joint surface of the left half cover body and the right half cover body is provided with a sealing rubber strip, and the joint surface of the two half cover bodies is sealed through the sealing rubber strip. Or, any sealing structure is not arranged at the butt joint face of the left half cover body and the right half cover body.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the traveling beam is not arranged at the bottom of the front side wall of the left half cover body and the right half cover body, and the bottom roller is directly fixed at the bottom of the front side wall of the two half cover bodies.

In other embodiments of continuous casting bale revolving stage flue gas entrapment device, direction bearing structure includes the front side spout and the back groove that sideslips, and the front side spout is located the front side bottom of the left half cover body and the right half cover body, and the back groove that sideslips is located the back side bottom of the left half cover body and the right half cover body, and the cooperation structure is including setting up the front side slider in the front side bottom of the left half cover body and the right half cover body respectively, and the cooperation structure is still including setting up the back side slider in the back side bottom of the left half cover body and the right half cover body respectively.

In other embodiments of continuous casting bale revolving stage flue gas entrapment device, direction bearing structure includes front side track and rear side track, and front side track and rear side track all set up on the workshop support, and the cooperation structure is including setting up the front side gyro wheel in the front side bottom of the left half cover body and the right half cover body respectively, still including setting up the rear side gyro wheel in the rear side bottom of the left half cover body and the right half cover body respectively, and front side gyro wheel and front side track direction cooperation, rear side gyro wheel and rear side track direction cooperation.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the bottoms of the left side wall of the left half cover body and the right side wall of the right half cover body are not provided with the drainage plates, and the side walls of the two half cover bodies together enclose an opening structure with equal diameter.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the main pipeline is not provided with an air suction opening, and all the flue gas in the dust hood enters the main pipeline through the branch pipeline.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the main pipeline is only formed by a left main pipeline section, the dust outlet is arranged at the left end of the left main pipeline section, the right end of the left main pipeline section is a closed end, and the branch pipeline is fixedly connected with the left main pipeline section. Or the main pipeline is only formed by the right main pipeline section, the dust outlet is arranged at the right end of the right main pipeline section, the left end of the left main pipeline section is a closed end, and the branch pipeline is fixedly connected with the right main pipeline section.

In other embodiments of the flue gas trapping device for the continuous casting bale turntable, two branch pipelines are arranged corresponding to the left main pipeline section, and two branch pipelines are arranged corresponding to the right main pipeline section. Or the number of the branch pipelines corresponding to the left main pipeline section is three, and the number of the branch pipelines corresponding to the right main pipeline section is three.

In other embodiments of the flue gas trapping device of the continuous casting ladle turret, the lower end of the dust suction port is not provided with a flow guide cover.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the dust collection pipeline comprises a plurality of branch pipelines which are arranged in a staggered mode, one end of each branch pipeline is gathered together to form a dust outlet, and the other end of each branch pipeline is arranged towards the ladle.

In other embodiments of the flue gas trapping device for the continuous casting ladle turntable, the distance between the two dust suction ports and the bottom of the dust hood is one third of the overall height of the dust hood.

In other embodiments of the flue gas trapping device for the continuous casting ladle turret, the left and right half-cover bodies are pushed by manpower when moving in opposite directions for butt joint.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The flue gas trapping device for the continuous casting ladle turntable is characterized by comprising a dust hood (100), wherein the dust hood (100) is composed of a left half hood body (101) and a right half hood body (102) which are separated, and the left half hood body (101) and the right half hood body (102) are provided with matching structures which are used for matching with a guide supporting structure in a workshop, so that a ladle and a tundish are butted and covered through the opposite movement of the left half hood body (101) and the right half hood body (102) when the ladle is poured; dust absorption pipeline (103) have been arranged to the inside of dust excluding hood (100), are equipped with on dust absorption pipeline (103) to be used for towards dust absorption mouth (109) that the ladle was arranged and be used for with dust excluding hood (100) outer main pipe intercommunication go out dirt mouth (107) to during flue gas that produces when will casting inhales dust absorption pipeline (103) through dust absorption mouth (109), discharge to the main pipe in through dust outlet (107).

2. The flue gas trapping device of the continuous casting ladle turret according to claim 1, wherein the dust suction pipeline (103) comprises a main pipeline (104) extending transversely and a branch pipeline (108) extending downwardly, the upper end of the branch pipeline (108) is communicated with the main pipeline (104), the lower end of the branch pipeline (108) forms the dust suction port (109), and the dust outlet (107) is arranged on the main pipeline (104).

3. The continuous casting bale turntable flue gas trapping device according to claim 2, wherein a guide cover (110) with an open lower end is arranged at the dust suction port (109) for introducing flue gas into the dust suction port (109).

4. The continuous casting bale turntable flue gas trapping device according to claim 2, wherein the main pipeline (104) is composed of a left main pipeline section (105) and a right main pipeline section (106) which are separated, the left main pipeline section (105) is arranged in the left half cover body (101), the right main pipeline section (106) is arranged in the right half cover body (102), the two main pipeline sections (104) are spliced into a complete pipeline when the two half cover bodies are butted, the dust suction port (109) is arranged on any one of the two main pipeline sections (104), two branch pipelines (108) are arranged corresponding to the left and right main pipeline sections, and the two branch pipelines (108) are respectively connected with the corresponding main pipeline sections (104).

5. The continuous casting ladle turret flue gas collecting device according to any one of claims 2 to 4, wherein the main pipeline (104) is provided with an air suction opening for sucking flue gas in the dust hood (100) into the main pipeline (104) through the air suction opening.

6. The continuous casting ladle turret flue gas trapping device according to any one of claims 1-4, wherein the bottoms of the left side wall of the left half cover body (101) and the right side wall of the right half cover body (102) are provided with a flow guide plate (111), and the bottoms of the front side wall and the rear side wall of the two half cover bodies and the flow guide plate (111) jointly form an open structure so as to introduce flue gas generated during pouring into the dust hood (100).

7. The continuous casting bale turntable flue gas capture device of any of claims 1-4, wherein the guiding support structure comprises a bottom rail (200) for being disposed on the shop support (202) and a top rail (201) for being disposed on the main girder (203) of the shop, the bottom rail (200) being located at the bottom of the front side of the left half shell (101) and the right half shell (102), the top rail (201) being located at the top of the rear side of the left half shell (101) and the right half shell (102), the mating structure comprises bottom rollers (112) disposed at the bottom of the front side of the left half shell (101) and the right half shell (102), respectively, and the mating structure further comprises top rollers (113) disposed at the top of the rear side of the left half shell (101) and the right half shell (102), respectively.

8. The flue gas trapping device for the continuous casting bale turntable according to claim 7, wherein the bottom of the front side wall of each of the left half cover body (101) and the right half cover body (102) is provided with a traveling beam extending in the left-right direction, the bottom rollers (112) are respectively arranged on the two half cover bodies through the corresponding traveling beams, and the abutting surface of the bottom of the front side wall of each of the left half cover body and the right half cover body is provided with an avoiding opening (116) for avoiding the corresponding end of the traveling beam when the two half cover bodies are abutted.

9. The continuous casting bale turntable flue gas trapping device according to any one of claims 1-4, characterized in that a labyrinth seal structure (117) is arranged at the butt joint surface of the left half cover body (101) and the right half cover body (102) to prevent flue gas from diffusing out of the dust hood (100) through the butt joint of the two half cover bodies.

10. The flue gas collecting device of the continuous casting ladle turret according to any one of claims 1 to 4, wherein heat insulation plates are arranged on the inner side of each side wall of the dust hood (100) and the outer side wall of the dust suction pipeline (103).

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