CN209027275U - A kind of novel rotary kiln kiln hood kiln tail composite seal device - Google Patents
A kind of novel rotary kiln kiln hood kiln tail composite seal device Download PDFInfo
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- CN209027275U CN209027275U CN201821818670.4U CN201821818670U CN209027275U CN 209027275 U CN209027275 U CN 209027275U CN 201821818670 U CN201821818670 U CN 201821818670U CN 209027275 U CN209027275 U CN 209027275U
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Abstract
The utility model discloses a kind of novel rotary kiln kiln hood kiln tail composite seal devices, including bracket, flap, pressing plate and feeding device, described bracket one end connect the other end with feeding device and connect with flap, one end of the flap is connect by pressing plate with bracket bolt, it is additionally provided with the sealing device of cladding flap outside the flap, solves the problems, such as in the prior art using dust leakage caused by abrasion, installation error, non-normal use etc..
Description
Technical field
The utility model relates to rotary kiln technologies, are that a kind of novel rotary kiln kiln hood kiln tail is compound close specifically
Seal apparatus.
Background technique
Rotary kiln is widely used in cement industry, chemical engineering industry, metallurgical industry because rotary kiln work when be rotation and
Stroke along its axial about 50mm moves reciprocatingly, and blanking device is fixed, so rotary kiln and blanking device
Between must there are enough gaps.Again because rotary kiln is operated under negative pressure, to prevent cool ambient air from being inhaled
Enter, to stablize the thermal regulation in rotary kiln, while at rotary kiln upset operation (generating positive pressure), prevents in rotary kiln
Dust leaks from gap location, pollutes environment.So sealing device must be arranged between blanking device and rotary kiln.Traditional kiln
The structure that head, kiln tail sealing device use is general internal for labyrinth seal, and outside is using metal elastic-sealed (made of stainless steel
Flap bending), also have and is sealed outside kiln tail using the extrusion pressing type of graphite packing.In use for some time, because using mill
Damage, installation error, non-normal use cause original sealing material to have damage or deform, and sealability decline, dust will be from
It is released between gap between sealing and rotary kiln, pollutes environment.
Utility model content
The purpose of this utility model is to provide a kind of rotary kiln new type sealing devices, seal in the prior art for solving
Device is because the problem of sealability declines caused by using abrasion, installation error, non-normal use etc..
The utility model is achieved through the following technical solutions:
A kind of novel rotary kiln kiln hood kiln tail composite seal device, including bracket, flap, pressing plate and feeding device,
Described bracket one end connect the other end with feeding device and connect with flap, and one end of the flap passes through pressing plate and bracket spiral shell
It tethers and connects, the sealing device of cladding flap is additionally provided on the outside of the flap.
The utility model is a kind of novel seal of rotary kiln device, because rotary kiln is rotated and along its axis when working
It moves reciprocatingly to the stroke of about 50mm, and blanking device is fixed, so must between rotary kiln and blanking device
It must there are enough gaps.Again because rotary kiln is operated under negative pressure, to prevent cool ambient air to be inhaled into, with steady
Determine the thermal regulation in rotary kiln, therefore first stainless steel flap one end links together with bracket and pressing plate, the other end relies on
It is fitted in its elastic tight on kiln cylinder ontology, forming first of sealing prevents cold air to be inhaled into, and guarantees thermal technology's system in kiln
Degree, and the fuel supply in rotary kiln generallys use coal powder injection burning, therefore first of sealing can not only prevent cold air to be inhaled into
And it can prevent the leakage of coal dust from polluting the environment；Setting sealing device is coated on outside flap, forms second sealing,
Second sealing increases a new negative pressure space, when first of sealing is because using friction, installation error and non-normal use
After causing sealability to decline, the coal dust of leakage will be taken away in second seals by blower, be gathered dust into a miniature single-machine
Ash is returned in device.
Preferably, the sealing device includes dust collection cover, sealing plate and seal felt；The dust collection cover is close to flap one
Side is fixedly connected by bolt with bracket, and the sealing plate is arranged in dust collection cover far from flap side；The dust collection cover is separate
The gap for installing seal felt, the dust collection cover, seal felt and sealing are formed between the side and sealing plate of flap
Plate is bolted connection.Wherein seal felt one end is fixed on dust collection cover with sealing plate, and one end bending is fitted in kiln cylinder sheet
On body, formed second sealing, such structure regardless of rotary kiln because expanding with heat and contract with cold, installation error, work normally into axial direction
Radially wobble caused by reciprocating motion and axial float, two seals material can be closely attached on kiln cylinder ontology, reach
Good sealing effect.
It is worth noting that: dust collection cover includes A plectane, B plectane and cylindrical wall, and A plectane and B plectane are set along axial line
There is through-hole, A plectane and B plectane is respectively welded in the both ends of cylindrical wall, and A plectane, B plectane and cylindrical wall form a cross section and be
U-shaped structure, two A plectanes are fixedly connected with bracket and feeding device using bolt respectively, and two B plectanes then pass through sealing plate
It being bolted with seal felt one end, the use of dust collection cover A plectane end is fixedly connected with B plectane end and is tightly connected using seal felt,
Flap can be coated in dust collection cover using above-mentioned setting, and not influence the rotation of kiln cylinder ontology.
Preferably, described flap one end, which is overlapping, is mounted on bracket, and the flap is rectangle Thin Stainless Steel
Steel plate is made.Wherein rotary kiln work when, temperature of kiln head generally 1000 °C~1200 °C and kiln hood revolution with flap generate
Friction, therefore Thin Stainless Steel steel plate is selected to make flap, and the installation that is overlapping of flap, allow its overall structure with time
The movement of rotary kiln and deform, to adapt to kiln body deformation, cylinder beat and the bias that rotary kiln generates under applied at elevated temperature state.
Preferably, the bracket, pressing plate, dust collection cover, sealing plate and seal felt are built in sections and are in turn connected to form
It is circular.Wherein the size of bracket, dust collection cover etc. is excessively huge will bring the difficulty in transport, therefore use segmentation manufacture, transport
Assembly welding can not only reduce difficulty of processing at annular shape, segmentation manufacture after to construction site, and help to cut down cost.
Preferably, the mouth that gathers dust is provided on the dust collection cover.Wherein rotary kiln upset operation, when generating positive pressure, from fish
The dust that scale leaks out is blocked by second sealing, is taken away by blower from the dust collection cover mouth that gathers dust, is gathered dust in a miniature single-machine
Ash is returned in device.
Preferably, the seal felt is industrial high temperature-resistant felt.Wherein felt high resilience can be used as shockproof, sealing, lining
The material of pad and elastic wire needle cloth bottom felt；Bond properties is good, is not easy loosely, to be punched and part of various shapes is made；Tissue
Closely, hole is small, can be used as good filtering material, due to the compact performance of the density of felt is more stable can the various hairs of punching production
Felt part；Wearability is preferable, can be used as the material of rubbing down light.
Working principle and installation method:
Rotary kiln device is during the work time, main to be processed by rotary kiln rotation, is equipped in the kiln hood of rotary kiln
Discharging device kiln tail is equipped with feeding device, and charging/discharging device is connected by bracket and rotary kiln end or kiln tail
It connects, bracket is fixed and rotary kiln is rotary work, therefore flap is arranged and carries out to the gap between rotary kiln and bracket
It blocks, prevents the leakage of pulverized coal sprayed in gas kiln and the outer cold air suck-back of kiln from entering in rotary kiln, influence the thermal technology in kiln
System, is staggered installation of the other end on bracket for flap one end and is fitted on rotary kiln and forms first of sealing, with sufficiently large
Friction surface, good airproof performance, at the same to bending beat of kiln etc. have very big adaptability, furthermore part processing, replacement and
Centering is all more convenient；First of sealing after a period of use, because using abrasion, installation error and non-normal use, causes
Flap damage and the decline of deformable seal ability, therefore dust collection cover is set and coats flap, dust collection cover passes through sealing plate and sealing
The felt other end is bolted, and the bending of seal felt one end, which is fitted on kiln cylinder ontology, forms second sealing, fish after second sealing
Negative pressure is formed outside scale, the material of secondary leakage is taken away from the mouth that gathers dust of dust collection cover by blower, gathers dust in a miniature single-machine
Return ash in device, and bracket and dust collection cover etc. are excessively huge therefore use segmentation manufacture because of size, transport assembly welding behind construction site to
At annular shape；Large-scale part difficulty of processing is at high cost greatly, and transport difficult, therefore segmentation manufacture is used not only to reduce difficult processing
Save the cost is spent, and convenient transportation improves the efficiency of transport；And seal felt is industrial high temperature-resistant felt, high resilience can
As shockproof, sealing, the material of liner and elastic wire needle cloth bottom felt；Bond properties is good, be not easy it is loose, can be punched be made it is various
The part of shape；Tissue tight, hole is small, can be used as good filtering material, since the compact performance of the density of felt is more stable
It can the various felt lements of punching production；Wearability is preferable, can be used as the material of rubbing down light, meets rotary kiln heat resistant and wear resistant damage
And the working environment of against shock, and high resilience makes sealing effect more preferable.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model use compound seal coupling structure, solve in the prior art using abrasion, installation error,
The problem of dust leakage caused by non-normal use etc.；
(2) it is negative pressure space in the sealing of the utility model second, solves when first of sealing leaks work in kiln
Making air pressure becomes the problem of positive pressure influences thermal technology from negative pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model kiln hood；
Fig. 2 is the structural schematic diagram of the utility model kiln tail；
Fig. 3 is the structural schematic diagram of sealing device；
Wherein 2- bracket；3- flap；4- pressing plate；5- sealing device；51- dust collection cover；52- sealing plate；53- seal felt.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1:
In conjunction with shown in attached drawing 1-3, a kind of novel rotary kiln kiln hood kiln tail composite seal device, including bracket 2, flap 3,
Pressing plate 4 and feeding device, described 2 one end of bracket connect the other end with feeding device and connect with flap 3, the flap 3
One end be bolted with bracket 2 by pressing plate 4, be additionally provided with the sealing device 5 for coating flap 3 outside the flap 3.
The utility model is a kind of novel seal of rotary kiln device 5, because rotary kiln is rotated and along it when working
The stroke of axial about 50mm moves reciprocatingly, and blanking device is fixed, so between rotary kiln and blanking device
It must there are enough gaps.Again because rotary kiln is operated under negative pressure, to prevent cool ambient air to be inhaled into, with
Stablize the thermal regulation in rotary kiln, therefore first 3 one end of stainless steel flap links together with bracket 2 and pressing plate 4, the other end
It by its elastic tight is fitted on kiln cylinder ontology, forming first of sealing prevents cold air to be inhaled into, and guarantees the heat in kiln
Work system, and the fuel supply in rotary kiln generallys use coal powder injection burning, therefore first of sealing can not only prevent cold air quilt
It sucks and can prevent the leakage of coal dust from polluting the environment；Setting sealing device 5 is coated on outside flap 3, forms second
Road sealing, second sealing increase a new negative pressure space, when first sealing because use friction, installation error and it is non-just
It is often used after causing sealability to decline, the coal dust of leakage will be taken away in second seals by blower, into a small-sized list
Ash is returned in machine dust-precipitator.
Embodiment 2:
The present embodiment is on the basis of the above embodiments, in conjunction with shown in attached drawing 1-3, further to limit, the sealing
Device 5 includes dust collection cover 51, sealing plate 52 and seal felt 53；The dust collection cover 51 close to 3 side of flap by bolt with
Bracket 2 is fixedly connected, and the sealing plate 52 is arranged in dust collection cover 51 far from 3 side of flap；The dust collection cover 51 is far from fish scale
Be formed with the gap for installing seal felt 53 between the side and sealing plate 52 of piece 3, the dust collection cover 51, seal felt 53 and
Sealing plate 52 is bolted connection.Wherein the kiln hood of kiln cylinder ontology and kiln tail both ends are respectively arranged sealing device and form the
Two sealings are to be sealed, and the seal felt 53 on the dust collection cover 51 at kiln hood end makes to be fixed by bolts to sealing plate 52 and gather dust
For sealing the gap between kiln hood and dust collection cover 51 between cover 51, the seal felt 53 on the dust collection cover 51 at kiln tail end also uses spiral shell
Bolt is fixed between sealing plate 52 and dust collection cover 51, but 53 1 sections of seal felt are mounted between dust collection cover 51 and sealing plate 52, separately
One section is bent the kiln tail end for being fitted in kiln cylinder ontology.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment is on the basis of the above embodiments, in conjunction with shown in attached drawing 1-3, further to limit, the fish scale
3 one end of piece is overlapping installation on carrier 2, and the flap 3 is made of rectangle Thin Stainless Steel steel plate.Wherein turn round firer
When making, temperature of kiln head generally 1000 °C~1200 °C and kiln hood revolution with flap 3 generate friction, therefore select Thin Stainless Steel steel
Plate production flap 3, and the installation that is overlapping of flap 3, deform its overall structure with the movement of rotary kiln, from
And adapt to kiln body deformation, cylinder beat and bias that rotary kiln generates under applied at elevated temperature state.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 4:
The present embodiment is on the basis of the above embodiments, in conjunction with shown in attached drawing 1-3, further to limit, the bracket
2, pressing plate 4, dust collection cover 51, sealing plate 52 and seal felt 53 are built in sections and are in turn connected to form annular shape.Wherein bracket
2, the size of dust collection cover 51 etc. is excessively huge will bring the difficulty in transport, therefore use segmentation manufacture, after transport to construction site
Assembly welding can not only reduce difficulty of processing at annular shape, segmentation manufacture, and help to cut down cost.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 5:
The present embodiment is on the basis of the above embodiments, in conjunction with shown in attached drawing 1-3, further to limit, described to gather dust
The mouth that gathers dust is provided on cover 51.Wherein rotary kiln upset operation, when generating positive pressure, the dust leaked out from flap 3, by the
Two sealings are blocked, and are taken away by blower from the mouth that gathers dust of dust collection cover 51, ash is returned in a miniature single-machine dust-precipitator.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 6:
Preferably, the seal felt 53 is industrial high temperature-resistant felt.Wherein felt high resilience, can be used as it is shockproof, sealing,
The material of liner and elastic wire needle cloth bottom felt；Bond properties is good, is not easy loosely, to be punched and part of various shapes is made；Group
Knit close, hole is small, can be used as good filtering material, due to the compact performance of the density of felt it is more stable can punching production it is various
Felt lement；Wearability is preferable, can be used as the material of rubbing down light.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (6)
1. a kind of novel rotary kiln kiln hood kiln tail composite seal device, including bracket (2), flap (3), pressing plate (4) and into
Expect device, described bracket (2) one end connect the other end with feeding device and connect with flap (3), which is characterized in that the fish scale
One end of piece (3) is bolted by pressing plate (4) with bracket (2), is additionally provided with cladding flap on the outside of the flap (3)
(3) sealing device (5).
2. a kind of novel rotary kiln kiln hood kiln tail composite seal device according to claim 1, which is characterized in that described close
Seal apparatus (5) includes dust collection cover (51), sealing plate (52) and seal felt (53)；The dust collection cover (51) is close to flap (3)
Side is fixedly connected by bolt with bracket (2), and sealing plate (52) setting is in dust collection cover (51) far from flap (3) one
Side；It is formed between the side and sealing plate (52) of the dust collection cover (51) separate flap (3) for installing seal felt (53)
Gap, the dust collection cover (51), seal felt (53) and sealing plate (52) are bolted connection.
3. a kind of novel rotary kiln kiln hood kiln tail composite seal device according to claim 1 or 2, which is characterized in that institute
It states flap (3) one end and is overlapping and be mounted on bracket (2), the flap (3) is made of rectangle Thin Stainless Steel steel plate.
4. a kind of novel rotary kiln kiln hood kiln tail composite seal device according to claim 3, which is characterized in that the support
Frame (2), pressing plate (4), dust collection cover (51), sealing plate (52) and seal felt (53) are built in sections and are in turn connected to form annulus
Shape.
5. a kind of novel rotary kiln kiln hood kiln tail composite seal device according to claim 4, which is characterized in that the receipts
Dust hood is provided with the mouth that gathers dust on (51).
6. a kind of novel rotary kiln kiln hood kiln tail composite seal device according to claim 5, which is characterized in that described close
Sealing felt (53) is industrial high temperature-resistant felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818670.4U CN209027275U (en) | 2018-11-06 | 2018-11-06 | A kind of novel rotary kiln kiln hood kiln tail composite seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818670.4U CN209027275U (en) | 2018-11-06 | 2018-11-06 | A kind of novel rotary kiln kiln hood kiln tail composite seal device |
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| CN209027275U true CN209027275U (en) | 2019-06-25 |
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| CN201821818670.4U Active CN209027275U (en) | 2018-11-06 | 2018-11-06 | A kind of novel rotary kiln kiln hood kiln tail composite seal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542307A (en) * | 2019-10-09 | 2019-12-06 | 江苏凤谷节能科技有限公司 | Rotary kiln head and tail negative pressure sealing device |
-
2018
- 2018-11-06 CN CN201821818670.4U patent/CN209027275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542307A (en) * | 2019-10-09 | 2019-12-06 | 江苏凤谷节能科技有限公司 | Rotary kiln head and tail negative pressure sealing device |
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