CN210890104U - Dynamic and static sealing following device of calcining furnace - Google Patents
Dynamic and static sealing following device of calcining furnace Download PDFInfo
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- CN210890104U CN210890104U CN201921659141.9U CN201921659141U CN210890104U CN 210890104 U CN210890104 U CN 210890104U CN 201921659141 U CN201921659141 U CN 201921659141U CN 210890104 U CN210890104 U CN 210890104U
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Abstract
The utility model relates to a dynamic and static sealing following device of a calcining furnace, which relates to the technical field of sealing of the calcining furnace, and comprises a feeding barrel, wherein the feeding barrel is sleeved on a feeding stranding cage, a movable ring flange seat is arranged on the feeding barrel, a movable ring is fixedly arranged on the movable ring flange seat, the movable ring and a furnace body are coaxially arranged, a static ring is arranged on the movable ring, and the static ring is fixedly arranged on a static ring following mechanism; the static ring following mechanism comprises a fixed flange seat and a following flange seat, and a spring jacking device is arranged between the fixed flange seat and the following flange seat; the fixed flange seat is provided with a fixed barrel, the fixed barrel is sleeved outside the feeding barrel, the following flange seat is provided with a following barrel, the following barrel is sleeved outside the fixed barrel, an inner labyrinth seal is formed among the free end of the feeding barrel, the free end of the fixed barrel and the free end of the following barrel, and a flexible sealing element is arranged between the fixed barrel and the following barrel. The utility model has the characteristics of simple structure, stability are high, the installation is convenient, the fault rate is low, the leakproofness is good.
Description
Technical Field
The utility model belongs to the technical field of burning furnace sealing technique and specifically relates to a burning furnace sound is sealed and is followed device.
Background
The moving rings of the furnace head and the furnace tail moving and static sealing devices of the calcining furnace of the soda plant are fixed on the furnace body and freely rotate along with the furnace body, the static rings are fixed on the static ring sleeves and have certain gaps with the cylinder body of the feeding auger, the static ring sleeves are suspended on the feeding cylinder during normal work, and the following amount in a certain range can be provided along with the upward movement and the downward movement of the furnace body in the axial direction. In order to achieve the purpose of suspension and follow, the prior design is that, for example, Chinese patent publication No. CN202301969U discloses an improved sealing mechanism of a calcining furnace, which comprises a static ring, a static ring seat, a movable ring and a movable ring seat, and is characterized in that a high-temperature resistant U-shaped flexible rubber joint is adopted between the static ring seat and a shell for sealing; one end of the static ring seat is provided with a pressure spring device, and the upper end of the static ring seat is provided with a spring hanger.
The prior art mainly has the following technical defects: 1. in order to achieve the purpose of suspension and following, the original design adopts more parts, has complex structure and is difficult to install. 2, after the calcining furnace runs for a period of time, a large amount of alkali is accumulated at the dynamic and static sealing positions to form alkali scars, the static ring seat can be circumferentially displaced due to the resistance of the alkali scars when the furnace body is started, the pressure spring can be damaged by pulling when the force is large, the flexible sealing can be damaged, the fault parking is caused, the overhauling amount is large, and the overhauling cost is high.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a calcining furnace sound sealing following device that simple structure, leakproofness are good, following stability is high to the not enough of prior art.
The utility model discloses the technical problem that solves is realized through following technical scheme, the utility model relates to a burning furnace sound seal following device, its characteristics are, including the feeding barrel who establishes at furnace end feed inlet department, the feeding barrel suit is on the outer wall of feeding hank cage, fixed being equipped with rotating ring flange seat on the outer wall of feeding barrel, fixed being equipped with the rotating ring outside rotating ring flange seat, the rotating ring sets up with the furnace body is coaxial, be equipped with on the outer terminal surface of rotating ring and cooperate the stationary ring that realizes sealing with the rotating ring, be equipped with respectively on rotating ring and the stationary ring and be used for both butt joint to realize sealed rotating ring seal terminal surface and stationary ring seal terminal surface, the stationary ring is fixed to be installed on stationary ring following mechanism;
the static ring following mechanism comprises a fixed flange seat fixedly arranged on the outer wall of the feeding stranding cage and a following flange seat used for fixing a static ring, and a top spring device used for enabling the static ring to move along with the axis of the furnace body and pressing the dynamic ring to realize sealing is arranged on the fixed flange seat and the following flange seat;
be equipped with fixed barrel on the lateral wall of flange seat is followed to fixed flange seat orientation, the local suit of fixed barrel is outside the feeding barrel, is equipped with on the lateral wall of following flange seat orientation fixed flange seat and follows the barrel, follow the barrel suit outside fixed barrel, labyrinth is sealed in forming between the free end of feeding barrel, the free end of fixed barrel and the free end of following the barrel, is equipped with flexible sealing member between the upper surface of fixed barrel and the tip of following the barrel.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: the top spring device is equipped with 3 at least, and along mounting flange seat circumference evenly distributed.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: the spring pushing device comprises a sliding guide shaft arranged between a fixed flange seat and a following flange seat, the axis of the sliding guide shaft is parallel to the axis of the furnace body, one end of the sliding guide shaft is fixedly connected with the following flange seat, the other end of the sliding guide shaft is connected with the fixed flange seat in a sliding mode through a sliding sleeve, and a thrust spring for pushing the stationary ring to enable the stationary ring to be tightly pressed and sealed with the moving ring is sleeved on the sliding guide shaft between the fixed flange seat and the following flange seat.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: and a spring thrust adjusting nut is arranged at the fixed end of the sliding guide shaft, which is close to the sliding guide shaft.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: the following flange seat is provided with a sealing ring inserted between the fixed cylinder and the moving ring flange seat, and an outer labyrinth seal is formed between the free end of the feeding cylinder, the inner end of the sealing ring and the inner end of the moving ring flange seat facing the following flange seat.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: the flexible sealing element is a rubber flexible flange.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: the oil seal structure is characterized in that annular oil grooves matched with each other are formed in the sealing end faces of the movable ring and the static ring, the oil grooves in the movable ring and the static ring are closed to form an annular oil duct, an oil filling hole communicated with the oil duct is formed in the static ring, and an oil seal is formed between the movable ring and the static ring.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: a left positioning sleeve is sleeved on the outer wall of the sliding sleeve and welded with the fixed flange seat, a right positioning sleeve is sleeved at the fixed end of the sliding guide shaft and welded with the following flange seat; the left positioning sleeve is welded with a left positioning block, and the right positioning sleeve is welded with a right positioning block.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: and a right positioning sleeve locking nut is arranged at the fixed end of the sliding guide shaft.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, above forge burning furnace sound and static seal and follow device in: a lubricating oil channel is formed between the left positioning sleeve and the guide sleeve, and a nozzle tip communicated with the lubricating oil channel is formed in the left positioning block.
Compared with the prior art, the beneficial effects of the utility model are that:
the static ring can follow the axial movement generated by the furnace body in the rotating process by arranging the static ring following mechanism, and the static ring can keep the compression sealing of the movable ring when following the axial movement of the furnace body by arranging the top spring device, so that the following stability is high, the circumferential movement of the static ring can be avoided, the sealing performance is ensured, and the sealing effect is good;
by arranging the feeding cylinder, the fixing cylinder and the following cylinder which are sequentially sleeved, an inner labyrinth seal is formed at the feeding port of the furnace end and the feeding stranding cage, so that the sealing performance is enhanced; meanwhile, the fixed cylinder and the following cylinder are connected in a sealing manner by adopting a flexible sealing element, so that double effective sealing is realized, and the sealing effect is greatly improved;
the cylinder body and the top spring device are adopted, so that the structure is simple, the installation is easy, the damage is not easy, the circumferential rotation of the static ring can be prevented, the following stability of the static ring and the furnace body in the movement process is improved, a larger axial force can be borne when the furnace body moves up and down, the flexible sealing element is effectively protected, the sealing performance is improved, and the service cycle of the flexible sealing element is prolonged; and the fault rate is extremely low, the overhaul workload is small, and the maintenance cost is low.
Drawings
Fig. 1 is a structural sectional view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
in the figure: 1. the device comprises a furnace body, 2 parts of a feeding cylinder body, 3 parts of a feeding stranding cage, 4 parts of a movable ring flange seat, 5 parts of a movable ring, 6 parts of a static ring, 7 parts of a fixed flange seat, 8 parts of a following flange seat, 9 parts of a fixed cylinder body, 10 parts of a following cylinder body, 11 parts of a rubber flexible flange, 12 parts of a sliding guide shaft, 13 parts of a thrust spring, 14 parts of a spring thrust adjusting nut, 15 parts of a sealing ring, 16 parts of an oil groove, 17 parts of an oil injection hole, 18 parts of a sliding sleeve, 19 parts of a left positioning sleeve, 20 parts of a right positioning sleeve, 21 parts of a right positioning sleeve locking nut, 22 parts of a left positioning block, 23 parts of a right positioning.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
[ example 1 ]
Referring to fig. 1, the dynamic and static seal following device for the calcining furnace comprises a feeding cylinder 2 arranged at a feed inlet of a furnace end, wherein the feeding cylinder 2 is sleeved on the outer wall of a feeding stranding cage 3, a moving ring flange seat 4 is fixedly arranged on the outer wall of the feeding cylinder 2, a moving ring 5 is fixedly arranged on the outer side of the moving ring flange seat 4, the moving ring 5 is fixedly connected to the moving ring flange seat 4 through bolts, the moving ring 5 is coaxially arranged with the furnace body 1, a static ring 6 matched with the moving ring 5 to realize sealing is arranged on the outer end surface of the moving ring 5, a moving ring 5 sealing end surface and a static ring 6 sealing end surface for realizing sealing by butt joint of the moving ring 5 and the static ring 6 are respectively arranged on the moving ring 5 and the static ring 6, and the static ring 6 is fixedly arranged on a static ring;
the following mechanism of the static ring 6 comprises a fixed flange seat 7 fixedly arranged on the outer wall of the feeding stranding cage 3 and a following flange seat 8 for fixing the static ring 6, the static ring 6 is fixedly arranged on the following flange seat 8 through bolts to prevent the static ring 6 from rotating circumferentially, and spring jacking devices for enabling the static ring 6 to move along with the axis of the furnace body 1 and tightly press the moving ring 5 to realize sealing are arranged on the fixed flange seat 7 and the following flange seat 8;
be equipped with fixed barrel 9 on the lateral wall of flange seat 8 is followed to mounting flange seat 7 orientation, fixed barrel 9 local suit is outside feeding barrel 2, is following flange seat 8 and is equipped with on the lateral wall of mounting flange seat 7 and follows barrel 10, follow barrel 10 suit outside fixed barrel 9, labyrinth is sealed in forming between the free end of feeding barrel 2, the free end of fixed barrel 9 and the free end of following barrel 10, is equipped with flexible sealing member between the upper surface of fixed barrel 9 and the tip of following barrel 10.
The top spring device is equipped with 4, and along 7 circumference evenly distributed of mounting flange seat, sets up like this and can make quiet ring 6 produce even packing force to rotating ring 5 in circumference, prevents effectively that quiet ring 6 from producing circumferential displacement, and sealing performance is more stable.
The top spring device is including establishing at mounting flange seat 7 and following the slip guiding axle 12 between the flange seat 8, the axis and the 1 axis parallel arrangement of furnace body of slip guiding axle 12, the one end of slip guiding axle 12 with follow flange seat 8 fixed connection, the other end passes through sliding sleeve 18 and mounting flange seat 7 sliding connection, the cover is equipped with the thrust spring 13 that promotes quiet ring 6 and make it compress tightly sealed with rotating ring 5 on the slip guiding axle 12 between mounting flange seat 7 and following flange seat 8, thrust spring 13 can make quiet ring 6 fix a position, does not take place circumference displacement, can provide thrust again for quiet ring 6, makes it compress tightly rotating ring 5, keeps the follow-up nature to the furnace body.
A spring thrust adjusting nut 14 is arranged on the sliding guide shaft 12 close to the fixed end of the sliding guide shaft 12, a threaded section for adjusting the elastic force of the thrust spring 13 is arranged on the sliding guide shaft 12, the spring thrust adjusting nut 14 is in threaded connection with the sliding guide shaft 12, the elastic force of the thrust spring 13 is adjusted by adjusting the installation position of the spring thrust adjusting nut 14, in the figure 1, the spring thrust adjusting nut 14 is moved to the left, the elastic force of the thrust spring 13 is increased, and the pressing force of the static ring 6 on the movable ring 5 is increased.
Follow flange seat 8 and be equipped with the sealing ring 15 of pegging graft between fixed barrel 9 and rotating ring flange seat 4, form outer labyrinth seal by 2 free ends of feeding barrel, sealing ring 15 inner, rotating ring flange seat 4 orientation and follow between the inner of flange seat 8, can effectively reduce the clearance of revealing, extension sealing channel, reinforcing sealed effect.
The flexible seal is a rubber flexible flange 11.
A left positioning sleeve 19 is sleeved on the outer wall of the sliding sleeve 18, the left positioning sleeve 19 is welded with the fixed flange seat 7, a right positioning sleeve 20 is sleeved at the fixed end of the sliding guide shaft 12, and the right positioning sleeve 20 is welded with the following flange seat 8; a left positioning block 22 is welded on the left positioning sleeve 19, and a right positioning block 23 is welded on the right positioning sleeve 20.
The fixed end of the sliding guide shaft 12 is provided with a right positioning sleeve locking nut 21 for locking the right positioning sleeve 20, thereby fixing one end of the sliding guide shaft 12.
A lubricating oil passage is arranged between the left positioning sleeve 19 and the guide sleeve, and a lubricating nipple 24 communicated with the lubricating oil passage is arranged on the left positioning block 22, so that lubricating oil can be conveniently injected between the sliding sleeve 18 and the sliding guide shaft 12.
When the device works, the calciner body 1 rotates, the feeding stranding cage 3 conveys materials into the calciner, the movable ring 5 rotates along with the calciner, the static ring 6 keeps still, the movable ring 5 and the static ring 6 slide relatively, lubricating oil is injected into an oil duct between the sealing end face of the movable ring and the sealing end face of the static ring through the oil injection hole 17, the static ring 6 realizes circumferential positioning through the following mechanism, and the compression sealing of the movable ring 5 is realized through the top spring device; the leakage point of the material is a gap between the outer wall of the feeding stranding cage 3 and the feeding cylinder body 2, the first leakage channel is blocked by a labyrinth seal formed among the feeding cylinder body 2, the fixed cylinder body 9 and the following cylinder body 10, a labyrinth seal flow channel formed by the three layers of cylinder bodies in an interpenetration mode is long and is in a right-angle turning mode, the turning mode is quick, the resistance is large, the leakage amount is small, and the fixed cylinder body and the following cylinder body 10 are in sealing connection by adopting a flexible sealing piece at the terminal, so that the sealing effect is further enhanced; the second is revealed the outer labyrinth seal that the passageway comprises feeding barrel 2, fixed barrel 9, sealing ring 15 and rotating ring flange seat 4 and is blockked, and the terminal is compressed tightly by rotating ring 5 and quiet ring 6 and is sealed, and is sealed effectual, and quiet ring 6 is followed stably, and sealing performance improves greatly, and the material that reduces is revealed.
Claims (10)
1. A dynamic and static sealing following device of a calcining furnace is characterized in that: the feeding device comprises a feeding barrel arranged at a feed inlet of a furnace end, wherein the feeding barrel is sleeved on the outer wall of a feeding stranding cage, a moving ring flange seat is fixedly arranged on the outer wall of the feeding barrel, a moving ring is fixedly arranged on the outer side of the moving ring flange seat, the moving ring and a furnace body are coaxially arranged, a static ring matched with the moving ring to realize sealing is arranged on the outer end face of the moving ring, a moving ring sealing end face and a static ring sealing end face for realizing sealing by butting the moving ring and the static ring are respectively arranged on the moving ring and the static ring, and the static ring is fixedly arranged on a static ring following mechanism;
the static ring following mechanism comprises a fixed flange seat fixedly arranged on the outer wall of the feeding stranding cage and a following flange seat used for fixing a static ring, and a top spring device used for enabling the static ring to move along with the axis of the furnace body and pressing the dynamic ring to realize sealing is arranged on the fixed flange seat and the following flange seat;
be equipped with fixed barrel on the lateral wall of flange seat is followed to fixed flange seat orientation, the local suit of fixed barrel is outside the feeding barrel, is equipped with on the lateral wall of following flange seat orientation fixed flange seat and follows the barrel, follow the barrel suit outside fixed barrel, labyrinth is sealed in forming between the free end of feeding barrel, the free end of fixed barrel and the free end of following the barrel, is equipped with flexible sealing member between the upper surface of fixed barrel and the tip of following the barrel.
2. The dynamic and static seal following device of the calcining furnace according to claim 1, characterized in that: the top spring device is equipped with 3 at least, and along mounting flange seat circumference evenly distributed.
3. The dynamic and static seal following device of the calcining furnace according to claim 1 or 2, characterized in that: the spring pushing device comprises a sliding guide shaft arranged between a fixed flange seat and a following flange seat, the axis of the sliding guide shaft is parallel to the axis of the furnace body, one end of the sliding guide shaft is fixedly connected with the following flange seat, the other end of the sliding guide shaft is connected with the fixed flange seat in a sliding mode through a sliding sleeve, and a thrust spring for pushing the stationary ring to enable the stationary ring to be tightly pressed and sealed with the moving ring is sleeved on the sliding guide shaft between the fixed flange seat and the following flange seat.
4. The dynamic and static seal following device of the calcining furnace according to claim 3, characterized in that: and a spring thrust adjusting nut is arranged at the fixed end of the sliding guide shaft, which is close to the sliding guide shaft.
5. The dynamic and static seal following device of the calcining furnace according to claim 1, characterized in that: the following flange seat is provided with a sealing ring inserted between the fixed cylinder and the moving ring flange seat, and an outer labyrinth seal is formed between the free end of the feeding cylinder, the inner end of the sealing ring and the inner end of the moving ring flange seat facing the following flange seat.
6. The dynamic and static seal following device of the calcining furnace according to claim 1, characterized in that: the flexible sealing element is a rubber flexible flange.
7. The dynamic and static seal following device of the calcining furnace according to claim 1, characterized in that: the oil seal structure is characterized in that annular oil grooves matched with each other are formed in the sealing end faces of the movable ring and the static ring, the oil grooves in the movable ring and the static ring are closed to form an annular oil duct, an oil filling hole communicated with the oil duct is formed in the static ring, and an oil seal is formed between the movable ring and the static ring.
8. The dynamic and static seal following device of the calcining furnace according to claim 3, characterized in that: a left positioning sleeve is sleeved on the outer wall of the sliding sleeve and welded with the fixed flange seat, a right positioning sleeve is sleeved at the fixed end of the sliding guide shaft and welded with the following flange seat; the left positioning sleeve is welded with a left positioning block, and the right positioning sleeve is welded with a right positioning block.
9. The dynamic and static seal following device of the calcining furnace according to claim 8, characterized in that: and a right positioning sleeve locking nut is arranged at the fixed end of the sliding guide shaft.
10. The dynamic and static seal following device of the calcining furnace according to claim 8, characterized in that: a lubricating oil channel is formed between the left positioning sleeve and the guide sleeve, and a nozzle tip communicated with the lubricating oil channel is formed in the left positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659141.9U CN210890104U (en) | 2019-09-30 | 2019-09-30 | Dynamic and static sealing following device of calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921659141.9U CN210890104U (en) | 2019-09-30 | 2019-09-30 | Dynamic and static sealing following device of calcining furnace |
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| Publication Number | Publication Date |
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| CN210890104U true CN210890104U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921659141.9U Active CN210890104U (en) | 2019-09-30 | 2019-09-30 | Dynamic and static sealing following device of calcining furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279644A (en) * | 2020-10-29 | 2021-01-29 | 许子隆 | High-temperature-resistant graphite electrode forming processing method |
| CN114774604A (en) * | 2022-05-24 | 2022-07-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connecting transition sealing device and blast furnace top charging equipment |
-
2019
- 2019-09-30 CN CN201921659141.9U patent/CN210890104U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279644A (en) * | 2020-10-29 | 2021-01-29 | 许子隆 | High-temperature-resistant graphite electrode forming processing method |
| CN114774604A (en) * | 2022-05-24 | 2022-07-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connecting transition sealing device and blast furnace top charging equipment |
| CN114774604B (en) * | 2022-05-24 | 2023-09-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connection transition sealing device and blast furnace top charging equipment |
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