CN111748665B - Side-discharging steel slag cracking furnace and use method thereof - Google Patents
Side-discharging steel slag cracking furnace and use method thereof Download PDFInfo
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- CN111748665B CN111748665B CN202010762844.5A CN202010762844A CN111748665B CN 111748665 B CN111748665 B CN 111748665B CN 202010762844 A CN202010762844 A CN 202010762844A CN 111748665 B CN111748665 B CN 111748665B
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- rotary cover
- cracking furnace
- furnace body
- discharge
- clamping
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- 238000005336 cracking Methods 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000002893 slag Substances 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 title claims description 21
- 238000009434 installation Methods 0.000 claims description 15
- 238000000197 pyrolysis Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1545—Equipment for removing or retaining slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/02—Physical or chemical treatment of slags
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/05—Apparatus features
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2400/00—Treatment of slags originating from iron or steel processes
- C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention relates to a steel slag cracking furnace with side discharge and a use method thereof, comprising a cracking furnace body, wherein the bottom of the cracking furnace body is obliquely arranged to one side and extends outwards to form a discharge hole, and a plurality of convex parts which are arranged at intervals are arranged on the outer side of the discharge hole; the upper cover of the discharge hole is provided with a rotary cover, the inner side of the rotary cover is provided with clamping parts which are in one-to-one correspondence with the convex parts, and the clamping parts are matched with the convex parts through rotating the rotary cover so as to fix the rotary cover on the discharge hole; the two sides of the cracking furnace body are respectively hinged with a first telescopic rod, the first telescopic rod is provided with a clamping groove, and two sides of the rotary cover are provided with clamping lugs which are matched with the clamping grooves; the rotary cover is also connected with a power mechanism which is used for enabling the rotary cover to reciprocate along the vertical direction. The invention effectively avoids the problem of blockage of the discharge port and prolongs the service life of the cracking furnace. The method has simple and convenient using steps, can completely and conveniently discharge, and is not easy to block a discharge hole.
Description
Technical Field
The invention relates to the technical field of cracking furnaces, in particular to a steel slag cracking furnace with side discharge and a use method thereof.
Background
The steel slag cracking furnace is a brand new technology for realizing high-efficiency, green and negative energy utilization of the hot steel slag, and is core equipment for realizing high-efficiency heat stewing cracking and waste heat recovery of the hot steel slag.
In the process of cracking steel slag, the current steel slag cracking furnace can enable the cracking furnace to be sealed for heat preservation and energy conservation, and the cracking efficiency is improved. However, the existing steel slag cracking furnace is basically of a vertical discharging structure, the opening and closing of the discharging hole are controlled by a gate valve, and the vertical discharging results in the fact that the inner diameter of the discharging hole is required to be smaller, and is generally not larger than 1.2 meters, so that the situation that steel slag flows out in a large scale and the gate valve cannot be closed in time is avoided. In addition, in continuous operation, the furnace cover needs to be opened and closed frequently, so that the steel slag is easy to clamp in the groove and the like corresponding to the gate valve, the gate valve is easy to be clamped and damaged, the cracking furnace cannot be sealed completely, and the service life of the steel slag cracking furnace is reduced. At high temperature, the wearing of the matched locking parts between the cover body and the furnace body is increased, and the cover body is easy to damage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the steel slag cracking furnace with side discharge, so that the problem of blockage of a discharge port is effectively avoided, the inner diameter of the discharge port is set to be more than 1.5 meters, the folding and normal discharge of a rotary cover are not influenced, and the service life of the cracking furnace is prolonged. The invention also provides a use method of the steel slag cracking furnace with side discharge, which has simple use steps, can completely and conveniently discharge, and is not easy to block a discharge hole.
The technical aim of the invention is realized by the following technical scheme: the steel slag cracking furnace with side discharge comprises a cracking furnace body, wherein the bottom of the cracking furnace body is obliquely arranged to one side and extends outwards to form a discharge hole, and a plurality of protruding parts which are arranged at intervals are arranged on the outer side of the discharge hole; the upper cover of the discharge hole is provided with a rotary cover, the inner side of the rotary cover is provided with clamping parts, the clamping parts correspond to the protruding parts one by one, and the clamping parts are matched with the protruding parts by rotating the rotary cover so as to fix the rotary cover on the discharge hole; the two sides of the cracking furnace body are respectively hinged with a first telescopic rod, clamping grooves are formed in the first telescopic rods, and clamping lugs matched with the clamping grooves are arranged on the two sides of the rotary cover; the rotary cover is also connected with a power mechanism, and the power mechanism is used for enabling the rotary cover to reciprocate along the vertical direction.
Further, the power unit includes mounting bracket and second telescopic link, the mounting bracket sets firmly on the pyrolysis furnace body, second telescopic link one end and mounting bracket fixed connection, the other end of second telescopic link pass through the elastic component with rotatory lid is connected.
Further, the opening of the clamping groove is upward, the clamping lug is arc-shaped, and a notch matched with the clamping groove is arranged below the clamping lug.
Further, the first telescopic rod is also connected with a supporting rod, and the supporting rod is used for enabling the first telescopic rod to rotate along the hinge.
Further, the cracking furnace comprises a supporting frame, the front side and the rear side of the cracking furnace body are fixedly provided with installation parts, the installation parts are matched with the supporting frame through shaft holes to be connected in a rotating mode, the supporting frame is located on the left side and the right side of the cracking furnace body, ejector rods are arranged on the left side and the right side of the cracking furnace body, and the ejector rods are used for enabling the cracking furnace body to rotate around the installation parts.
Further, the connection position of the installation part and the support frame is positioned in the middle of the cracking furnace body, and the contact position of the ejector rod and the cracking furnace body is positioned below the installation part.
Further, the surface of the rotary cover is provided with an annular groove, the outlet edge of the discharge hole is matched with the annular groove, and a sealing ring for ensuring the tightness of the cracking furnace body is further arranged in the annular groove.
Further, a pressure relief valve is arranged at the top of the cracking furnace body, and the pressure relief valve and the extending direction of the discharge hole are positioned at the same side.
The invention also discloses a use method of the steel slag cracking furnace with side discharge, which comprises the following steps:
s1, enabling the cracking furnace body to incline to the other side of the discharge port, rotating the rotary cover and translating outwards so as to separate the rotary cover from the discharge port;
s2, lifting the rotary cover, and enabling the cracking furnace body to incline to one side of the discharge port to finish the discharge action;
s3, after the discharging is completed, tilting the cracking furnace body to the other side of the discharging hole, and descending the rotary cover to enable the central shaft of the rotary cover to be positioned in the same straight line with the central shaft of the discharging hole;
s4, enabling the rotary cover to approach the discharge hole, and rotating the rotary cover to fix the rotary cover on the discharge hole;
s5, enabling the cracking furnace body to be restored to the vertical state so as to continue normal operation.
Further, in the step S2 and the step S3, the rotation angle of the pyrolysis furnace body to both sides is smaller than 20 °.
In summary, the invention has the following beneficial effects:
1. the device can discharge the pyrolysis furnace from the side surface, effectively avoid the problem of blockage of the discharge port, set the inner diameter of the discharge port to be more than 1.5 meters, increase the discharge rate, not influence the closure and normal discharge of the rotary cover, and prolong the service life of the pyrolysis furnace; and this rotatory lid and related mechanism's setting can reach effectual sealed effect to the discharge gate, and the back is opened with breaking away from of rotatory lid simultaneously can not shelter from the discharge gate, makes the ejection of compact more smooth and easy.
2. The lifting of the rotary cover is stably controlled by the power mechanism, and the distance between the rotary cover and the discharge hole is ensured to be pulled by the elastic piece, so that the collision between the rotary cover and the discharge hole in the lifting process is avoided.
3. The rotation and the translation of the rotary cover can be completed through the cooperation control of the first telescopic rod and the supporting rod, and the rotary cover can be separated from and folded with the discharge hole more stably and accurately through the arrangement of the cooperation elastic piece.
4. The support frame is matched with the installation part in a rotating way to support the cracking furnace body, and meanwhile, the relative rotation angle of the cracking furnace body is adjusted by the ejector rod, so that the cracking furnace body is rotated and inclined according to a program, and the requirements of discharging and folding the rotary cover are met.
5. The cooperation of rotatory lid and discharge gate still is provided with annular groove and rubber seal to increase the gas tightness, sets up the relief valve in order to regard as the safety guarantee of emergency simultaneously.
6. The method has simple and convenient using steps, can completely and conveniently discharge, is not easy to block the discharge hole, and can not obstruct the discharge process when the rotary cover is lifted to a safe position, and the rotary cover is convenient to align with the discharge hole after returning to close.
Drawings
FIG. 1 is a side view of a side tap steel slag cracking furnace according to the present invention;
fig. 2 is a front view of the rotary cap of the present invention.
In the figure: the cracking furnace comprises a 1-cracking furnace body, an 11-discharge hole, a 12-protruding part, a 13-mounting part, a 14-pressure release valve, a 2-rotary cover, a 21-clamping part, a 22-annular groove, a 23-clamping lug, a 3-supporting rod, a 4-power mechanism, a 41-mounting rack, a 42-second telescopic rod, a 43-elastic piece, a 5-supporting rack, a 51-ejector rod, a 6-first telescopic rod and a 61-clamping groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
It should be noted that the terms "upper", "lower", and the like referred to herein are all used for convenience of description only and should not be construed as limiting the technical solution.
As shown in fig. 1 and 2, the invention discloses a steel slag cracking furnace with side discharge, which comprises a cracking furnace body 1, wherein the bottom of the cracking furnace body 1 is obliquely arranged to one side and extends outwards to form a discharge hole 11, and a plurality of convex parts 12 which are arranged at intervals are arranged outside the discharge hole 11; the discharge hole 11 is covered with a rotary cover 2, the inner side of the rotary cover 2 is provided with clamping parts 21, the clamping parts 21 are in one-to-one correspondence with the protruding parts 12, and the clamping parts 21 are matched with the protruding parts 12 through rotating the rotary cover 2 so as to fix the rotary cover 2 on the discharge hole 11; the two sides of the cracking furnace body 1 are respectively hinged with a first telescopic rod 6, the first telescopic rod 6 is provided with a clamping groove 61, and two sides of the rotary cover 2 are provided with clamping lugs 23 which are matched with the clamping grooves 61; the rotary cover 2 is also connected with a power mechanism 4, and the power mechanism 4 is used for enabling the rotary cover 2 to reciprocate along the vertical direction. The device structure of the invention can lead the pyrolysis furnace to discharge from the side surface, effectively avoid the problem that the discharge port 11 is easy to be blocked, can lead the inner diameter of the discharge port 11 to be more than 1.5 meters, increases the discharge rate, does not influence the folding and normal discharge of the rotary cover 2, and prolongs the service life of the pyrolysis furnace; and this rotatory lid 2, first telescopic link 6 and power unit 4's setting can reach effectual sealed effect to discharge gate 11, and the back is opened with breaking away from of rotatory lid 2 simultaneously, can not shelter from discharge gate 11, makes the ejection of compact more smooth and easy. The device can realize a full-automatic control process, the rotary cover 2 is matched with the discharge hole 11, the rotary cover 2 can be pulled up through the first telescopic rod 6, and the clamping part 21 is controlled to rotate and then is locked with the protruding part 12; after the rotary cover 2 is opened, the power of the first telescopic rod 6 can be used for realizing the outward translation of the rotary cover 2, and then the power mechanism 4 lifts the rotary cover 2 so as to facilitate the discharge of the discharge port 11.
In this embodiment, the power mechanism 4 includes a mounting frame 41 and a second telescopic rod 42, where the mounting frame 41 is fixedly arranged on the pyrolysis furnace body 1, one end of the second telescopic rod 42 is fixedly connected with the mounting frame 41, and if no elastic member 43 is arranged subsequently, the connection mode of the sliding block and the sliding rail can be set to provide the activity degree when the second telescopic rod 42 and the rotary cover 2 translate; the other end of the second telescopic link 42 is connected to the rotation mechanism through an elastic member 43. The power mechanism 4 stably controls the lifting of the rotary cover 2, and the elastic piece 43 is utilized to ensure the distance between the rotary cover 2 and the discharge hole 11 to be pulled open, so that the collision between the rotary cover 2 and the discharge hole 11 in the lifting process is avoided. In addition, the elastic member 43 of the power mechanism 4 may be a short telescopic rod structure, besides a spring, and the telescopic rod only needs to work synchronously with the first telescopic rod 6.
In the present embodiment, the clamping groove 61 is opened upwards, the clamping lug 23 is arc-shaped, and a notch for matching with the clamped groove 61 is arranged below the clamping lug. After the clamping groove 61 of the first telescopic rod 6 is matched and clamped with the clamping lug 23 of the rotary cover 2, the translation of the rotary cover 2 can be controlled through the telescopic action of the first telescopic rod 6. The first telescopic link 6 is also connected with a support bar 3, and the support bar 3 is used for enabling the first telescopic link 6 to rotate along the hinge. Through the different control of two bracing pieces 3, can make two first telescopic links 6 rotate to different directions respectively to drive rotatory lid 2 and form the rotation, let joint portion 21 and bellying 12 lock mutually. If it is necessary to open the rotary cap 2, the above-described movement and sequence are reversed, and the detachment of the rotary cap 2 from the discharge port 11 can be completed.
In this embodiment, this device still includes support frame 5, and the front and back both sides of pyrolysis furnace body 1 have still set firmly installation department 13, and installation department 13 passes through the shaft hole cooperation and rotates with support frame 5 to be connected, and support frame 5 is located the left and right sides of pyrolysis furnace body 1 and all is equipped with ejector pin 51, and ejector pin 51 is used for making pyrolysis furnace body 1 rotate about installation department 13 as the center. The support frame 5 is matched with the installation part 13 in a rotating way to support the cracking furnace body 1, and meanwhile, the cracking furnace body 1 is rotated and inclined according to a program by utilizing the adjustment of the relative rotation angle of the top rod 51 to the cracking furnace body 1, so that the requirements of discharging and folding the rotary cover 2 are met. The connection position of the mounting part 13 and the support frame 5 is positioned in the middle of the cracking furnace body 1, the support of the cracking furnace body 1 is more stable, and the contact position of the ejector rod 51 and the cracking furnace body 1 is positioned below the mounting part 13. As shown in fig. 1, when the right ejector rod 51 is pushed to the left and the left ejector rod 51 is retracted, the discharge port 11 is inclined downwards, so that the discharge rate is increased, and the materials are easier to pour out; when the left ejector rod 51 is pushed to the right and the right ejector rod 51 is retracted, the discharge port 11 is inclined upwards, the material stops discharging, and the rotary cover 2 is conveniently covered.
In this embodiment, the surface of the rotary cover 2 is provided with an annular groove 22, the outlet edge of the discharge port 11 is matched with the annular groove 22, and a sealing ring for ensuring the air tightness of the cracking furnace body 1 is also arranged in the annular groove 22. The provision of the annular recess 22 allows for easy alignment and snap-engagement of the two parts 2 and 11 while protecting the rubber seal therein from material corrosion. The top of the cracking furnace body 1 is provided with a pressure relief valve 14, and the pressure relief valve 14 and the extending direction of the discharge hole 11 are positioned on the same side. The relief valve 14 is disposed at the same side as the discharge port 11 except for safety guarantee in emergency, so as to avoid blockage caused by that the material does not easily reach the relief valve 14 during tilting.
The invention also provides a use method of the steel slag cracking furnace with side discharge, which comprises the following steps:
s1, the top rods 51 on the left side and the right side are controlled to enable the cracking furnace body 1 to incline to the other side of the discharge hole 11, the two first telescopic rods 6 on the two sides are respectively controlled by the supporting rods 3 to respectively act up and down, the rotary cover 2 is rotated, the first telescopic rods 6 are started to extend so that the rotary cover 2 is translated outwards, and the rotary cover 2 is separated from the discharge hole 11;
s2, lifting the rotary cover 2 through a second telescopic rod 42 of the power mechanism 4, and inclining the cracking furnace body 1 to the discharge port 11 side, wherein the principle is the same as the mode of utilizing the ejector rod 51, but the rotation direction of the cracking furnace body 1 is different, so that the discharge action is completed;
s3, after the discharging is completed, tilting the cracking furnace body 1 to the other side of the discharging hole 11, and descending the rotary cover 2 to enable the central shaft of the rotary cover 2 and the central shaft of the discharging hole 11 to be positioned in the same straight line;
s4, enabling the rotary cover 2 to approach the discharge hole 11, and rotating the rotary cover 2 to enable the rotary cover 2 to be fixed on the discharge hole 11, wherein the operation principle of the steps S3 and S4 is similar to that described above, and the operation is completed by the reverse operation action of the first telescopic rod 6 and the supporting rod 3;
s5, enabling the cracking furnace body 1 to recover to a vertical state under the action of the ejector rod 51 so as to continue normal operation.
The method has simple and convenient using steps, can completely and conveniently discharge, is not easy to block the discharge port 11, and can not obstruct the discharge process when the rotary cover 2 is lifted to a safe position, and the rotary cover 2 is conveniently aligned with the discharge port 11 after returning to close. In step S2 and step S3, the rotation angle of the pyrolysis furnace body 1 to both sides is smaller than 20 °. So as to avoid the damage of the mechanism caused by overlarge corners and prolong the service life of each mechanism.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (6)
1. The steel slag cracking furnace with side discharge comprises a cracking furnace body (1), and is characterized in that the bottom of the cracking furnace body (1) is obliquely arranged to one side and extends outwards to form a discharge hole (11), and a plurality of protruding parts (12) arranged at intervals are arranged outside the discharge hole (11); the upper cover of the discharge hole (11) is provided with a rotary cover (2), the inner side of the rotary cover (2) is provided with clamping parts (21), the clamping parts (21) are in one-to-one correspondence with the protruding parts (12), and the clamping parts (21) are matched with the protruding parts (12) through rotating the rotary cover (2) so as to fix the rotary cover (2) on the discharge hole (11); the two sides of the cracking furnace body (1) are respectively hinged with a first telescopic rod (6), clamping grooves (61) are formed in the first telescopic rods (6), and clamping lugs (23) matched with the clamping grooves (61) are arranged on the two sides of the rotary cover (2); the rotary cover (2) is also connected with a power mechanism (4), and the power mechanism (4) is used for enabling the rotary cover (2) to reciprocate along the vertical direction;
the power mechanism (4) comprises a mounting frame (41) and a second telescopic rod (42), the mounting frame (41) is fixedly arranged on the cracking furnace body (1), one end of the second telescopic rod (42) is fixedly connected with the mounting frame (41), and the other end of the second telescopic rod (42) is connected with the rotary cover (2) through an elastic piece (43);
the clamping groove (61) is upwards opened, the clamping lug (23) is arc-shaped, and a notch matched with the clamping groove (61) is arranged below the clamping lug;
the first telescopic rod (6) is also connected with a supporting rod (3), and the supporting rod (3) is used for enabling the first telescopic rod (6) to rotate along the hinge;
including support frame (5), installation department (13) have still been set firmly to the front and back both sides of pyrolysis furnace body (1), installation department (13) through shaft hole cooperation with support frame (5) rotate and connect, support frame (5) are located the left and right sides of pyrolysis furnace body (1) all is equipped with ejector pin (51), ejector pin (51) are used for making pyrolysis furnace body (1) use installation department (13) to rotate left and right sides as the center.
2. The side-discharging steel slag cracking furnace according to claim 1, wherein the connection position of the installation part (13) and the supporting frame (5) is positioned in the middle of the cracking furnace body (1), and the contact position of the ejector rod (51) and the cracking furnace body (1) is positioned below the installation part (13).
3. The steel slag cracking furnace with side discharge according to claim 1, wherein the surface of the rotary cover (2) is provided with an annular groove (22), the outlet edge of the discharge port (11) is matched with the annular groove (22), and a sealing ring for ensuring the air tightness of the cracking furnace body (1) is further arranged in the annular groove (22).
4. The side-discharging steel slag cracking furnace according to claim 1, wherein a pressure relief valve (14) is arranged at the top of the cracking furnace body (1), and the pressure relief valve (14) and the extending direction of the discharging hole (11) are positioned at the same side.
5. A method of using the side-draw steel slag cracking furnace of claim 1, comprising the steps of:
s1, enabling the cracking furnace body to incline to the other side of the discharge port, rotating the rotary cover and translating outwards so as to separate the rotary cover from the discharge port;
s2, lifting the rotary cover, and enabling the cracking furnace body to incline to one side of the discharge port to finish the discharge action;
s3, after the discharging is completed, tilting the cracking furnace body to the other side of the discharging hole, and descending the rotary cover to enable the central shaft of the rotary cover to be positioned in the same straight line with the central shaft of the discharging hole;
s4, enabling the rotary cover to approach the discharge hole, and rotating the rotary cover to fix the rotary cover on the discharge hole;
s5, enabling the cracking furnace body to be restored to the vertical state so as to continue normal operation.
6. The method of claim 5, wherein in step S2 and step S3, the rotation angle of the cracking furnace body is less than 20 ° toward both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010762844.5A CN111748665B (en) | 2020-07-31 | 2020-07-31 | Side-discharging steel slag cracking furnace and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010762844.5A CN111748665B (en) | 2020-07-31 | 2020-07-31 | Side-discharging steel slag cracking furnace and use method thereof |
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| CN111748665A CN111748665A (en) | 2020-10-09 |
| CN111748665B true CN111748665B (en) | 2024-03-19 |
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