CN218349241U - Slag removing device and heating furnace - Google Patents

Abstract

The utility model belongs to the technical equipment field of steel production, especially, relate to a dross removal mechanism and heating furnace. The deslagging device comprises two slag collecting and conveying mechanisms arranged at intervals and a driving mechanism for driving the two slag collecting and conveying mechanisms to respectively operate along two opposite directions; each slag collecting and transporting mechanism is provided with a slag collecting groove for receiving the waste slag, the waste slag can be transported out of the heating furnace under the driving of the driving mechanism, and the two slag collecting and transporting mechanisms can be torn towards different directions and convey the waste slag of which the two ends are respectively positioned on the two slag collecting and transporting mechanisms. The utility model discloses a dross removal mechanism can in time and handle the waste residue effectively.

Description

Slag removing device and heating furnace

Technical Field

The utility model belongs to the technical equipment field of steel production, especially, relate to a dross removal mechanism and heating furnace.

Background

The steel billet needs to be heated to improve the plasticity before being rolled into steel; the stepping heating furnace can complete heating of the steel billet with low energy consumption, and the steel billet which is heated uniformly and has good quality is obtained. However, in the heating process of the steel billet, iron scale with loose structure is generated on the surface of the steel billet; in the process of transporting the steel billet in the heating furnace, the iron oxide scale falls off due to vibration and falls to the bottom of the heating furnace; if the falling iron oxide scales are not cleaned in time, a large amount of iron oxide scales are accumulated at the bottom of the heating furnace; this results in an increase in the energy consumption of the heating furnace and makes it difficult to uniformly heat the steel slab, which is disadvantageous in the subsequent rolling process.

At present, the mode of blowing out and slag removal is often adopted to clean the iron scale waste slag in the stepping heating furnace, namely: the operation of the walking beam furnace is firstly suspended, then the iron oxide scale waste slag accumulated on the bottom of the furnace is collected, and the collected waste slag is transported to the outside of the walking beam furnace.

However, a large amount of iron scale waste residues are easy to form plate caking after being accumulated at the furnace bottom for a long time, so that the difficulty of waste residue collection and treatment is increased; this increases the labor intensity and time of the labor, and prolongs the blow-out time, which in turn causes the productivity of the production line to decrease; in addition, if the heating furnace is cooled by adopting a common water injection mode, the refractory materials in the furnace can be damaged, and the service life of the heating furnace is further influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a method and aims to solve the problem of timely and effectively treating waste residues.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

on one hand, the slag removing device is used for removing waste slag in a heating furnace, wherein the waste slag falls from top to bottom, and comprises two slag collecting and conveying mechanisms which are arranged at intervals and a driving mechanism which is used for driving the two slag collecting and conveying mechanisms to respectively operate in two opposite directions; each slag collecting and transporting mechanism is provided with a slag collecting groove for receiving the waste slag, the waste slag can be transported out of the heating furnace under the driving of the driving mechanism, and the two slag collecting and transporting mechanisms can be torn towards different directions and convey the waste slag of which the two ends are respectively positioned on the two slag collecting and transporting mechanisms.

In some embodiments, the slag collecting and conveying mechanism comprises a conveying chain structure and a driving wheel in meshing connection with the conveying chain structure, and the slag collecting groove is opened on the conveying chain structure; the driving wheel is connected with the driving mechanism; the driving wheel can be driven by the driving mechanism to rotate in a reciprocating manner so as to drive the transmission chain structure to rotate in a reciprocating manner; or the transmission wheel can rotate in a single direction under the driving of the driving mechanism so as to drive the transmission chain structure to rotate in a single direction.

In some embodiments, both ends of the transmission chain structure are respectively engaged with a driving wheel, and a driving mechanism is connected to any one of the driving wheels.

In some embodiments, the conveyor chain structure comprises a slag collection piece with the slag collection groove, and the slag collection piece is also provided with a transmission part capable of being in transmission fit with the transmission wheel; the slag collecting pieces are arranged in a plurality of numbers, each slag collecting piece is sequentially arranged, and any two adjacent slag collecting pieces are rotatably connected.

In some embodiments, the slag collecting piece comprises a plate body and a groove body stacked on the plate body, the slag collecting groove is arranged on the groove body, and the transmission part is arranged on the plate body.

In some embodiments, the transmission part is a chain, and the transmission wheel is a sprocket wheel fitted with the chain; or the transmission part is a rack, and the transmission wheel is a gear matched with the rack.

In some embodiments, the cross-sectional area of the slag trough is tapered in a top-to-bottom direction.

In some embodiments, the slag collecting and transporting mechanism further comprises a pulley connected below the conveyor chain structure, and the pulley is in rolling contact with the furnace bottom of the heating furnace.

In some embodiments, the planes defined by the conveying tracks of the two slag collecting and conveying mechanisms are parallel to each other.

On the other hand, still provide a heating furnace, include dross removal mechanism, the furnace wall of heating furnace has seted up the slag notch, collection sediment transport mechanism slides and wears to locate in the slag notch.

The beneficial effect of this application lies in: the deslagging device comprises two slag collecting and conveying mechanisms which independently operate, and a driving mechanism for driving each slag collecting and conveying mechanism to operate; wherein, any slag collecting and transporting mechanism is provided with a slag collecting groove; when the slag collecting groove moves to the interior of the heating furnace, the slag collecting groove can collect and store the waste slag immediately when the waste slag falls off; after the slag collecting groove in the heating furnace receives the waste slag, the slag collecting and conveying mechanism continues to move under the driving of the driving mechanism, and the slag collecting groove is moved to the outside of the heating furnace so as to send the waste slag out; two collection sediment transport mechanism that constitute dross removal mechanism are towards the direction transportation waste residue of difference respectively, can tear the partial waste residue that forms board/slice thing and avoid the waste residue to pile up in order to form board/slice thing to a certain extent, and then can also improve the convenience that the waste residue transported. In conclusion, the technical problem of how to timely and effectively treat waste residues is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a partial schematic view of a slag removal apparatus in a furnace according to an embodiment of the present application;

FIG. 2 is a partial schematic view of another angle of the dross removal apparatus of FIG. 1 within a furnace;

FIG. 3 is a schematic view of a partial structure of a slag removal device according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a partial structure of a slag removal device according to another embodiment of the present application;

fig. 5 is a partial structural diagram of a transport link structure according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals: 100. a deslagging device; 10. a slag collection and transportation mechanism; 11. a transport chain structure; 111. a slag collecting groove; 112. a slag collecting piece; 1121. a trough body; 1122. a plate body; 1123. a transmission section; 12. a driving wheel; 13. a pulley; 20. a drive mechanism; 200. heating furnace; 40. a furnace wall; 41. a slag outlet; 42. a feed inlet; 43. a discharge port; 50. a preheating section; 60. a heating section; 70. a soaking section; 80. a predetermined direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not delimit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the present application, and the specific meanings of the above terms may be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, a slag removing apparatus 100 for removing slag in a heating furnace 200 is provided in the present embodiment. It is understood that the furnace 200 may be used to heat workpieces such as steel billets; in the high-temperature treatment process of the workpiece, metal substances on the surface of the workpiece react with oxygen to generate loose impurities such as iron scales and the like; in the process of conveying the workpiece in the heating furnace 200, impurities such as iron scales and the like are vibrated to naturally peel off, and waste residues falling from top to bottom are formed; the slag removal apparatus 100 is used to collect the slag immediately after it is detached from the billet or other workpiece and transport it to the outside of the heating furnace 200.

Referring to fig. 1, 3 and 4, the slag removing device 100 includes two slag collecting and transporting mechanisms 10 disposed at intervals and a driving mechanism 20 for driving the two slag collecting and transporting mechanisms 10 to operate in two opposite directions; wherein, the two slag collecting and transporting mechanisms 10 operate independently without mutual interference; referring to fig. 3 and 4, each slag collecting and transporting mechanism 10 may be connected to a driving mechanism 20 at one end thereof, or may be connected to a driving mechanism 20 at both ends thereof. Referring to fig. 1, each slag collecting and transporting mechanism 10 has a slag collecting trough 111 for receiving the slag. It will be appreciated that the slag falls from top to bottom and the mouth of the slag trap 111 is at least partially upwardly disposed so that the slag can fall through the mouth into the slag trap 111. Referring to fig. 2 to 4, the slag collecting and transporting mechanism 10 can transport the slag out of the heating furnace 200 under the driving of the driving mechanism 20, and the two slag collecting and transporting mechanisms 10 can tear in different directions and transport the slag respectively located at two ends of the two slag collecting and transporting mechanisms 10. It will be appreciated that the slag tends to agglomerate after a large accumulation and form a large surface area slab/sheet which contacts both slag collection conveyors 10; the two slag collecting and transporting mechanisms 10 constituting the slag removing device 100 respectively move towards different directions, and pull the plate/sheet-shaped object which is simultaneously contacted with the two mechanisms, so that the plate/sheet-shaped object can be effectively torn and the partial waste slag can be transported to the outside of the heating furnace 200; further, by moving the two slag collecting transport mechanisms 10 constituting the slag removing device 100 in different directions, it is possible to prevent the accumulation of the slag between the two slag collecting transport mechanisms 10 and to fundamentally prevent the formation of the plate/sheet-like object.

Referring to fig. 2 to 4, it can be understood that the slag removing device 100 includes two slag collecting and transporting mechanisms 10 which operate independently, and a driving mechanism 20 for driving each slag collecting and transporting mechanism 10 to operate; wherein, any slag collecting and transporting mechanism 10 is provided with a slag collecting groove 111; when the slag collection tank 111 moves to the inside of the heating furnace 200, it can collect and store the slag immediately when the slag falls off; after the slag collection groove 111 in the heating furnace 200 receives the waste slag, the slag collection transportation mechanism 10 continues to move under the driving of the driving mechanism 20, and the slag collection groove 111 is moved to the outside of the heating furnace 200 to send out the waste slag; the two slag collecting and transporting mechanisms 10 constituting the slag removing device 100 transport the slag in different directions, respectively, can tear part of the slag forming the plate/sheet and avoid the slag from being accumulated to some extent to form the plate/sheet, and further can improve the convenience of conveying the slag. In conclusion, the technical problem of how to timely and effectively treat waste residues is solved.

Referring to fig. 3 and 4, alternatively, in the present embodiment, the slag collecting and transporting mechanism 10 includes a conveying chain structure 11 and a driving wheel 12 engaged with the conveying chain structure 11, and the slag collecting groove 111 is opened on the conveying chain structure 11; the driving wheel 12 is connected with a driving mechanism 20; the driving wheel 12 can rotate back and forth under the driving of the driving mechanism 20 to drive the transmission chain structure 11 to rotate back and forth; alternatively, the driving wheel 12 can rotate unidirectionally under the driving of the driving mechanism 20 to drive the transmission chain structure 11 to operate unidirectionally. It will be appreciated that the drive wheel 12 and the drive train structure 11 must be able to be used in conjunction, namely: the driving wheel 12 is provided with a tooth part matched with the transmission chain structure 11, and the transmission chain structure 11 is provided with a roller part matched with the driving wheel 12; the toothed portion engages with the roller portion to transmit power to the conveyor chain structure 11 via the drive pulley 12 and drive the conveyor chain structure 11 to perform a transportation operation.

Referring to fig. 2, it can be understood that the heating furnace 200 is provided with a slag outlet 41 at a position opposite to the furnace width direction, and the conveyor chain structure 11 is slidably disposed through the slag outlet 41 and can convey the slag to the outside of the heating furnace 200 through the slag outlet 41 for dumping.

Referring to fig. 3, optionally, in some embodiments, the conveying chain structure 11 is disposed around and forms a ring structure, two ends of the ring-shaped conveying chain structure 11 are respectively connected with a driving wheel 12, and the two driving wheels 12 drive the conveying chain structure 11 to rotate and simultaneously tension the conveying chain structure 11; the two driving wheels 12 can be both connected with a driving mechanism 20, or only one of the two driving wheels 12 can be connected with the driving mechanism 20; by adjusting the driving mechanism 20, the running speed and running direction of the conveyor chain structure 11 can be adjusted; the transmission chain structure 11 can be operated in a unidirectional cycle or a reciprocating operation; the two driving wheels 12 are respectively arranged outside two sides of the heating furnace 200 along the furnace width direction, and the conveying chain structure 11 is slidably arranged in the two oppositely arranged slag outlets 41.

Referring to fig. 2 and 4, alternatively, in some embodiments, two ends of the transmission chain structure 11 are respectively engaged with a driving wheel 12, and a driving mechanism 20 is connected to any one of the driving wheels 12. It is understood that two driving wheels 12 respectively connected to both ends of the conveying chain structure 11 are respectively disposed outside both sides of the heating furnace 200 in the furnace width direction; the transmission chain structure 11 is not arranged in a closed manner and has two free ends; the two free ends of the conveying chain structure 11 respectively pass through the corresponding slag outlets 41, and the partial section of the conveying chain structure 11 located outside the heating furnace 200 naturally falls after being disengaged from the driving wheel 12. It will be appreciated that in these embodiments, making the conveyor chain structure 11 non-closed helps to reduce the space occupied by the conveyor chain structure 11 inside the furnace 200; in addition, when the transmission chain structure 11 in these embodiments reciprocates, the driving mechanism 20 is connected to both ends, so that the transmission chain structure can stably move before and after reversing.

Referring to fig. 4, alternatively, in some embodiments, two ends of the transmission chain structure 11 are respectively engaged with a driving wheel 12, and a driving mechanism 20 is connected to any one of the driving wheels 12; and the slag-collecting transporting mechanism 10 makes reciprocating motion. It will be appreciated that in the present embodiment, the two slag collecting transport mechanisms 10 constituting the slag removing device 100 are constantly kept moving in different directions; if the two slag collecting transport mechanisms 10 constituting the slag removing apparatus 100 are moved in directions parallel to each other, they are reversed at the same time to ensure that the traveling directions thereof are different from each other. Referring to fig. 3 to 5, optionally, in some embodiments, the conveying chain structure 11 includes a slag collecting member 112 having a slag collecting groove 111, and the slag collecting member 112 further has a transmission portion 1123 capable of cooperating with the transmission wheel 12; the slag collecting pieces 112 are provided in plurality, each slag collecting piece 112 is arranged in sequence, and any two adjacent slag collecting pieces 112 are rotatably connected.

Referring to fig. 5, it can be understood that two adjacent slag-collecting members 112 can be hinged or otherwise connected in a rotating manner, and the slag-collecting members 112 can rotate on a vertical plane; multiple slag traps 112 can be independently machined and collectively assembled into the conveyor chain structure 11. Referring to fig. 5, it can be understood that the slag collecting grooves 111 are disposed on the plurality of slag collecting members 112, and any slag collecting groove 111 can receive and store the slag, so as to increase the storage capacity of the slag to a certain extent, thereby increasing the amount of the slag transported by the conveyor chain structure 11 at one time, and further improving the slag removing efficiency of the slag removing device 100.

Optionally, in some embodiments, the slag collecting member 112 is a plate-shaped structure with a slag collecting groove 111. It can be understood that, in these embodiments, the thickness of the conveyor chain structure 11 is smaller, so that the opening area of the slag hole 41 opened in the furnace wall 40 is smaller, thereby effectively reducing the heat loss in the heating furnace 200.

Referring to fig. 1, optionally, in some embodiments, the slag collecting member 112 includes a plate body 1122 and a groove body 1121 stacked with the plate body 1122, the slag collecting groove 111 is opened on the groove body 1121, and the transmission portion 1123 is disposed on the plate body 1122.

Referring to fig. 1, it can be understood that, in the present embodiment, the groove 1121 is disposed above the plate body 1122, and the notch is disposed upward to receive the dropped waste slag; the transmission portion 1123 is disposed on the plate bodies 1122, so that each plate body 1122 is sequentially engaged with a gear to transfer the tank 1121 loaded with the waste residue to the outside of the heating furnace 200, and then the waste residue is timely conveyed to the outside of the heating furnace 200.

Referring to fig. 3 and 4, alternatively, in some embodiments, the transmission portion 1123 is a chain, and the transmission wheel 12 is a sprocket adapted to the chain; alternatively, the transmission part 1123 is a rack, and the transmission wheel 12 is a gear adapted to the rack. It will be appreciated that the rack here is a flexible rack that can be bent. It can be understood that the chain wheel rotates to drive the chain to operate so as to realize the transportation and the cleaning of the waste materials; the gear rotates to drive the rack to operate, and the transportation and the cleaning of the waste materials are also realized.

Referring to fig. 1, optionally, in some embodiments, the inner wall of the slag collecting groove 111 is funnel-shaped, that is, the opening of the slag collecting groove 111 faces upward, and the cross-sectional area of the slag collecting groove 111 is tapered from top to bottom. It can be understood that the funnel-shaped slag collecting groove 111 has a larger opening area and a smaller cavity bottom area; on the one hand, be convenient for make more waste residues fall into slag groove 111 through the opening, on the other hand, still be convenient for empty the waste residue out of slag groove 111.

Optionally, in some embodiments, the slot 1121 and the plate 1122 are integrally formed.

Referring to fig. 3 and 4, optionally, in some embodiments, the slag collecting and transporting mechanism 10 further includes a pulley 13 connected to a lower portion of the conveyor chain structure 11, and the pulley 13 rolls against the bottom of the heating furnace 200. It can be understood that the conveyor chain structure 11 has a strong flexibility, and the section thereof located inside the heating furnace 200 may be depressed toward the bottom of the heating furnace 200 at the middle due to lack of support; the part of the conveyor chain structure 11 is in rolling connection with the furnace bottom of the heating furnace 200 through the pulley 13, so that the conveyor chain structure 11 can be effectively prevented from directly contacting with the furnace bottom of the heating furnace 200 and generating friction in the moving process; on the one hand, the movement of the transmission link structure 11 can be made smoother; on the other hand, the service life of the transmission link structure 11 can be extended.

Alternatively, in some embodiments, the conveying directions of the two slag collection transport mechanisms 10 are parallel to each other. It will be appreciated that in this embodiment, if the two slag collecting and conveying mechanisms 10 are in a reciprocating type of travel, they need to be reversed at the same time to ensure that they are moving in different directions at the same time. It can be understood that the conveying directions of the two slag collecting and conveying mechanisms 10 are arranged in parallel, namely, the conveying directions of the two slag collecting and conveying mechanisms are opposite; on one hand, the utility model can provide a stronger tearing function for the plate/sheet-shaped waste slag so as to tear the agglomerated waste slag and send out the agglomerated waste slag in time; on the other hand, the two parts do not have parallel partial motion, and the waste residue can be prevented from caking to a greater extent.

Referring to fig. 1 and fig. 2, the present invention further provides a heating furnace 200, the heating furnace 200 includes a deslagging device 100, the specific structure of the deslagging device 100 refers to the above embodiments, and since all technical solutions of all the above embodiments are adopted, all beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not repeated herein. The furnace wall 40 of the heating furnace 200 is provided with a slag outlet 41, and the slag collecting and transporting mechanism 10 is slidably arranged in the slag outlet 41. It is understood that the heating furnace 200 is provided with slag outlets 41 at both ends in the width direction for the conveyor chain structure 11 to pass through and transport the slag to the outside of the heating furnace 200.

Optionally, in some embodiments, the heating furnace 200 further comprises a conveying table disposed in the heating furnace 200 and configured to convey the workpiece in the predetermined direction 80, and the plane defined by the conveying track of the slag-collecting conveying mechanism 10 is perpendicular to the predetermined direction 80. It will be appreciated that in these embodiments, the conveying travel of the slag collection transport mechanism 10 is short, which in turn helps to reduce the size and cost of the slag collection transport mechanism 10; in addition, the conveying direction of the slag collecting and conveying mechanism 10 is perpendicular to the preset direction 80, the slag removing device 100 can be started only when the workpiece passes through the slag collecting and conveying mechanism through intelligent control or other modes, and therefore the energy consumption of the slag removing device 100 can be reduced, and the cost can be further saved. Referring to fig. 1 and 2, optionally, in some embodiments, the heating furnace 200 is sequentially provided with a feeding port 42 and a discharging port 43 along the predetermined direction 80, and the workpiece enters the heating furnace 200 through the feeding port 42 and leaves the heating furnace 200 through the discharging port 43.

Referring to fig. 1 and 2, it is understood that the heating furnace 200 includes a preheating section 50, a heating section 60, and a soaking section 70. Optionally, the preheating section 50, the heating section 60, and the soaking section 70 are each provided with at least one deslagging device 100.

Optionally, in some embodiments, a thermal curtain is disposed at the slag outlet 41 to reduce heat loss in the furnace 200 at the slag outlet 41. Optionally, an air blowing device is disposed at the outer wall of the heating furnace 200, and the air blowing device is used for delivering hot air flow to the air outlet to perform heat preservation treatment on the heating furnace 200.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. A deslagging device is used for removing waste residues in a heating furnace, wherein the waste residues fall down from top to bottom, and the deslagging device is characterized by comprising two slag collecting and conveying mechanisms which are arranged at intervals and a driving mechanism which is used for driving the two slag collecting and conveying mechanisms to respectively operate along two opposite directions; each slag collecting and transporting mechanism is provided with a slag collecting groove for receiving the waste slag, the waste slag can be transported out of the heating furnace under the driving of the driving mechanism, and the two slag collecting and transporting mechanisms can be torn towards different directions and convey the waste slag of which the two ends are respectively positioned on the two slag collecting and transporting mechanisms.

2. The deslagging apparatus as set forth in claim 1, wherein said slag-collecting transport mechanism includes a conveyor chain structure and a drive wheel in meshing engagement with said conveyor chain structure, said slag-collecting trough opening onto said conveyor chain structure; the driving wheel is connected with the driving mechanism; the driving wheel can rotate in a reciprocating manner under the driving of the driving mechanism so as to drive the transmission chain structure to operate in a reciprocating manner; or the transmission wheel can rotate in a single direction under the driving of the driving mechanism so as to drive the transmission chain structure to rotate in a single direction.

3. The apparatus according to claim 2, wherein both ends of said conveyor chain structure are respectively engaged with a driving wheel, and a driving mechanism is connected to any one of said driving wheels.

4. The slag removal apparatus of claim 2, wherein the conveyor chain structure includes a slag collection member having the slag collection groove, the slag collection member further having a transmission portion drivingly engageable with the drive wheel; the slag collecting pieces are arranged in a plurality, the slag collecting pieces are sequentially arranged, and any two adjacent slag collecting pieces are rotatably connected.

5. The deslagging apparatus of claim 4, wherein the slag-collecting member includes a plate body and a trough body stacked with the plate body, the slag-collecting trough is disposed on the trough body, and the transmission part is disposed on the plate body.

6. The apparatus according to claim 4 or 5, wherein said driving part is a chain, and said driving wheel is a sprocket adapted to said chain; or the transmission part is a rack, and the transmission wheel is a gear matched with the rack.

7. The slag removal apparatus of any one of claims 1 to 5, wherein the slag trap has a cross-sectional area that tapers in a direction from the top down.

8. The slag removal apparatus of any one of claims 2-5, wherein the slag collection transport mechanism further comprises a pulley connected to a lower portion of the conveyor chain structure, the pulley rolling against a hearth of the heating furnace.

9. The slag removal apparatus of any one of claims 1-5, wherein the planes defined by the conveying paths of the two slag collecting transport mechanisms are parallel to each other.

10. A heating furnace comprising the slag removing device of any one of claims 1 to 8, wherein a slag outlet is formed in a wall of the heating furnace, and the slag collecting and transporting mechanism is slidably inserted into the slag outlet.

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