CN205919667U - Positive reverse flexible sealing - Google Patents

Positive reverse flexible sealing Download PDF

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Publication number
CN205919667U
CN205919667U CN201620672482.XU CN201620672482U CN205919667U CN 205919667 U CN205919667 U CN 205919667U CN 201620672482 U CN201620672482 U CN 201620672482U CN 205919667 U CN205919667 U CN 205919667U
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China
Prior art keywords
reverse
sealing
positive
air
rotary kiln
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CN201620672482.XU
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Chinese (zh)
Inventor
袁志洲
张�杰
蔡德裕
徐春亮
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NANJING ZHONGCAI CEMENT SPARE PARTS CO Ltd
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NANJING ZHONGCAI CEMENT SPARE PARTS CO Ltd
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Priority to CN201620672482.XU priority Critical patent/CN205919667U/en
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Abstract

The utility model discloses a positive reverse flexible sealing, it is including the forced air cooling cover, is provided with on the forced air cooling cover that reverse sealed and the forward is sealed, reverse sealed including having reverse sealing sleeve and reverse gasket, reverse gasket extends in the slant of outside extending direction updip to its in that the rotary kiln is inside, the forward is sealed to having forward sealing sleeve and forward gasket, and the forward gasket is at the inside downwardly extending that slopes on the outside extending direction to its of rotary kiln, be provided with the labyrinth seals who upwards extends at air -cooled sleeve on the forced air cooling cover, above -mentioned positive reverse flexible sealing, effectively avoids relevant seal part's damage, and then when improving positive reverse flexible sealing's life, has also guaranteed that rotary kiln hood keeps long -term and stable sealed effect when forming good sealed effect to rotary kiln hood through maze, reverse sealed and sealed the mutually supporting of forward.

Description

Forward and reverse flexible sealing
Technical field
This utility model is related to metallurgical and chemical industry manufacture field, especially a kind of forward and reverse flexible sealing.
Background technology
At present, existing rotary kiln end sealing adopts fish scale lamellar seal and the reverse sealing means sealing, its For avoiding the grog and air-flow that produce in the cement course of processing gap between kiln hood and kiln head cover to flow out.Existing In fish scale lamellar seal, the installation direction of flap is identical with the airflow direction in kiln hood, therefore its high temperature dust in kiln hood Under the long-term impact of air-flow, easily lead to flap to wear and tear, cause flap or even the sealing of whole rotary kiln end to produce leakage Wind, the phenomenon of leakage ash;Above-mentioned phenomenon not only causes the service life of associated components to be affected, and rotary kiln end is difficult to Reach required seal request.And the sealing means of the reverse sealing that part manufacturer is adopted, also there are the problems referred to above in it.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of forward and reverse flexible sealing, and it can be in the kiln hood of rotary kiln Form good sealing effectiveness, avoid associated components damaged by airflow influence simultaneously.
For solving above-mentioned technical problem, this utility model is related to a kind of forward and reverse flexible sealing, and it is installed on rotary kiln On kiln hood, described forward and reverse flexible sealing includes air-cooled set, is provided with reverse sealing and positive sealing on air-cooled set, Reversely sealing and forward direction are sealed in and are sequentially distributed on its outside bearing of trend inside rotary kiln;Described reverse sealing includes and sets It is placed in the reverse seal sleeve on air-cooled set, on reverse seal sleeve, is provided with reverse diaphragm seal, reverse diaphragm seal is returning Extension is tilted upward on its outside bearing of trend inside rotary kiln;Described positive sealing includes and is just arranged on air-cooled set To seal sleeve, on positive seal sleeve, be provided with positive diaphragm seal, positive diaphragm seal inside rotary kiln to it outside prolong Stretch and extend obliquely downward on direction;It is provided with the upwardly extending labyrinth seal of axle of air-cooled set on described air-cooled set.
As a kind of improvement of the present utility model, among described positive sealing, it is provided with multiple circumferences along air-cooled set successively The positive diaphragm seal of superposition, is connected with for carrying out to it straining the steel wire rope processing, steel wire rope on multiple forward direction diaphragm seals It is connected with counter weight.Using technique scheme, it can be by the superposition set-up mode of multiple forward direction diaphragm seals for revolution Stove forms good encapsulation process;Meanwhile, by steel wire rope and counter weight, positive diaphragm seal is attached making Obtain positive diaphragm seal and be anchored on air-cooled set, to improve further to its structural stability and sealing.
As a kind of improvement of the present utility model, among described positive sealing, multiple forward direction diaphragm seals are along the rotation of rotary kiln Turn direction to be overlapped arranging, it can carry out making the sealing with respect to rotary kiln for the positive diaphragm seal in rotary course in rotary kiln Effect is ensured.
As a kind of improvement of the present utility model, described steel wire rope adopts steel core high-temperature-resistant steel wire rope.
As a kind of improvement of the present utility model, described forward direction diaphragm seal adopts three-decker, and it includes and is just arranged at To the ceramic beaverboard inside diaphragm seal, and the stainless steel substrates being arranged on ceramic beaverboard both sides.Using technique scheme, It can make the thermostability of positive diaphragm seal and structural strength further be improved.
Using forward and reverse flexible sealing of technique scheme, it can pass through the setting of labyrinth seal so that rotary kiln By the labyrinth within labyrinth seal so that the dust in the pressure of air-flow and air-flow contains when in kiln hood, gas flows That measures is minimized.Meanwhile, the reverse diaphragm seal in the application can carry out for gas in the kiln hood of rotary kiln reversely close Envelope is processed, and because the bearing of trend of reverse diaphragm seal is contrary with gas flow in the kiln hood of rotary kiln, therefore it can be so that reversely close Mounting forms good iris action with respect to above-mentioned gas;On here basis, by forward and reverse flexible sealing of the application In the inclination of reverse diaphragm seal be extended, it can form guiding function for kiln hood internal gas flow, to avoid it directly and gas Stream forms frontal impact, thus improving the service life of reverse diaphragm seal.For residual by labyrinth seal and reverse sealing Trapped air stream, the positive diaphragm seal in forward and reverse flexible sealing of the application can realize good sealing effectiveness to it, to avoid gas Stream is circulated to outside kiln hood;Due to entering the air-flow of positive sealing area in the presence of reverse sealing and labyrinth labyrinth, its Impact effect is effectively slowed down, therefore forward direction is sealed in when carrying out encapsulation process for kiln hood interior air-flow, and it also can avoid forward direction The damage of diaphragm seal.
Above-mentioned forward and reverse flexible sealing passes through cooperating of labyrinth labyrinth, reversely sealing and positive sealing, for While rotary kiln end forms good sealing effectiveness, it is prevented effectively from the damage of associated sealing components, so positive and negative improving To flexible sealing service life while, also ensure rotary kiln end and keep long-term and stable sealing effectiveness.
Brief description
Fig. 1 is this utility model schematic diagram;
Fig. 2 is forward and reverse flexible sealing schematic internal view in this utility model;
Reference numerals list:
1 air-cooled set, 2 reverse seal sleeves, 3 reverse diaphragm seals, 4 positive seal sleeves, 5 positive sealings Piece, 6 labyrinth seals, 7 steel wire ropes, 8 counter weights.
Specific embodiment
With reference to specific embodiment, it is further elucidated with this utility model it should be understood that following specific embodiment is only used In explanation this utility model rather than restriction scope of the present utility model.It should be noted that word used in describing below Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outward " refer respectively to court To or the direction away from particular elements geometric center.
Embodiment 1
A kind of forward and reverse flexible sealing as shown in Figures 1 and 2, it is installed on the kiln hood of rotary kiln, forward and reverse soft Property sealing include air-cooled set 1, be provided with reverse sealing and positive sealing on air-cooled set 1, reversely sealing and positive sealing It is sequentially distributed on its outside bearing of trend inside rotary kiln;Described reverse sealing include be arranged at air-cooled set on anti- To seal sleeve 2, on reverse seal sleeve 2, be provided with reverse sealing 3, reverse diaphragm seal 3 inside rotary kiln to it outside Extension is tilted upward on portion's bearing of trend;Described positive sealing includes the positive seal sleeve 4 being arranged on air-cooled set, just It is provided with positive diaphragm seal 5 on sealing shroud 4, positive diaphragm seal 5 is inside rotary kiln to its outside bearing of trend updip Extend obliquely;It is provided with the upwardly extending labyrinth seal of 1 axle 6 of air-cooled set on described air-cooled set 1.
As a kind of improvement of the present utility model, among described positive sealing, it is provided with multiple circumferences along air-cooled set successively The positive diaphragm seal 5 of superposition, is connected with for carrying out to it straining the steel wire rope 7 processing, steel wire on multiple forward direction diaphragm seals 5 Rope 7 is connected with counter weight 8.Using technique scheme, its can by the superposition set-up mode of multiple forward direction diaphragm seals for Rotary furnace forms good encapsulation process;Meanwhile, by steel wire rope and counter weight, positive diaphragm seal is attached Positive diaphragm seal can be made to be anchored on air-cooled set, to improve further to its structural stability and sealing.
As a kind of improvement of the present utility model, among described positive sealing, multiple forward direction diaphragm seals 5 are along the rotation of rotary kiln Turn direction to be overlapped arranging, it can carry out making the sealing with respect to rotary kiln for the positive diaphragm seal in rotary course in rotary kiln Effect is ensured.
Using forward and reverse flexible sealing of technique scheme, it can pass through the setting of labyrinth seal so that rotary kiln By the labyrinth within labyrinth seal so that the dust in the pressure of air-flow and air-flow contains when in kiln hood, gas flows That measures is minimized.Meanwhile, the reverse diaphragm seal in the application can carry out for gas in the kiln hood of rotary kiln reversely close Envelope is processed, and because the bearing of trend of reverse diaphragm seal is contrary with gas flow in the kiln hood of rotary kiln, therefore it can be so that reversely close Mounting forms good iris action with respect to above-mentioned gas;On here basis, by forward and reverse flexible sealing of the application In the inclination of reverse diaphragm seal be extended, it can form guiding function for kiln hood internal gas flow, to avoid it directly and gas Stream forms frontal impact, thus improving the service life of reverse diaphragm seal.For residual by labyrinth seal and reverse sealing Trapped air stream, the positive diaphragm seal in forward and reverse flexible sealing of the application can realize good sealing effectiveness to it, to avoid gas Stream is circulated to outside kiln hood;Due to entering the air-flow of positive sealing area in the presence of reverse sealing and labyrinth labyrinth, its Impact effect is effectively slowed down, therefore forward direction is sealed in when carrying out encapsulation process for kiln hood interior air-flow, and it also can avoid forward direction The damage of diaphragm seal.
Above-mentioned forward and reverse flexible sealing passes through cooperating of labyrinth labyrinth, reversely sealing and positive sealing, for While rotary kiln end forms good sealing effectiveness, it is prevented effectively from the damage of associated sealing components, so positive and negative improving To flexible sealing service life while, also ensure rotary kiln end and keep long-term and stable sealing effectiveness.
Embodiment 2
As a kind of improvement of the present utility model, described steel wire rope 7 adopts steel core high-temperature-resistant steel wire rope.
Remaining feature of the present embodiment is all same as Example 1 with advantage.
Embodiment 3
As a kind of improvement of the present utility model, described forward direction diaphragm seal 5 adopts three-decker, and it includes and is just arranged at To the ceramic beaverboard inside diaphragm seal, and the stainless steel substrates being arranged on ceramic beaverboard both sides.Using technique scheme, It can make the thermostability of positive diaphragm seal and structural strength further be improved.
Remaining feature of the present embodiment is all same as Example 2 with advantage.

Claims (5)

1. a kind of forward and reverse flexible sealing, it is installed on the kiln hood of rotary kiln it is characterised in that described forward and reverse flexibility is close Envelope includes air-cooled set, is provided with reverse sealing and positive sealing, reversely sealing and forward direction are sealed in revolution on air-cooled set It is sequentially distributed on its outside bearing of trend inside kiln;Described reverse sealing includes the reverse sealing being arranged on air-cooled set Sleeve, is provided with reverse diaphragm seal on reverse seal sleeve, reverse diaphragm seal is inside rotary kiln to its outside bearing of trend On tilt upward extension;Described positive sealing includes the positive seal sleeve being arranged on air-cooled set, positive seal sleeve On be provided with positive diaphragm seal, positive diaphragm seal extends obliquely downward inside rotary kiln on its outside bearing of trend;Institute State and be provided with the upwardly extending labyrinth seal of axle of air-cooled set on air-cooled set.
2. according to the forward and reverse flexible sealing described in claim 1 it is characterised in that being provided with multiple among described positive sealing The positive diaphragm seal being sequentially overlapped along the circumference of air-cooled set, is connected with for carrying out at tension to it on multiple forward direction diaphragm seals The steel wire rope of reason, steel wire rope is connected with counter weight.
3. according to the forward and reverse flexible sealing described in claim 2 it is characterised in that among described positive sealing, multiple forward directions Diaphragm seal is overlapped arranging along the direction of rotation of rotary kiln.
4. according to the forward and reverse flexible sealing described in claim 2 it is characterised in that described steel wire rope adopts steel core high-temperature steel Cord.
5. according to the forward and reverse flexible sealing described in Claims 1-4 any one it is characterised in that described forward direction diaphragm seal Using three-decker, it includes the ceramic beaverboard being arranged inside positive diaphragm seal, and is arranged on ceramic beaverboard two The stainless steel substrates of side.
CN201620672482.XU 2016-06-30 2016-06-30 Positive reverse flexible sealing Active CN205919667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620672482.XU CN205919667U (en) 2016-06-30 2016-06-30 Positive reverse flexible sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620672482.XU CN205919667U (en) 2016-06-30 2016-06-30 Positive reverse flexible sealing

Publications (1)

Publication Number Publication Date
CN205919667U true CN205919667U (en) 2017-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620672482.XU Active CN205919667U (en) 2016-06-30 2016-06-30 Positive reverse flexible sealing

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Country Link
CN (1) CN205919667U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107490291A (en) * 2017-09-15 2017-12-19 赵春博 A kind of rotary kiln biserial graphite block sealing device
CN107642984A (en) * 2017-10-10 2018-01-30 南京中材水泥备件有限公司 A kind of rotary kiln end novel graphite sealing device
CN109099704A (en) * 2017-06-20 2018-12-28 神华集团有限责任公司 Seal assembly, rotary kiln and encapsulating method
CN110487069A (en) * 2019-08-21 2019-11-22 徐州仕名建材机械有限公司 A kind of forward and reverse gas chamber composite seal device of rotary kiln

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109099704A (en) * 2017-06-20 2018-12-28 神华集团有限责任公司 Seal assembly, rotary kiln and encapsulating method
CN109099704B (en) * 2017-06-20 2020-05-01 神华集团有限责任公司 Sealing assembly, rotary kiln and sealing method
CN107490291A (en) * 2017-09-15 2017-12-19 赵春博 A kind of rotary kiln biserial graphite block sealing device
CN107642984A (en) * 2017-10-10 2018-01-30 南京中材水泥备件有限公司 A kind of rotary kiln end novel graphite sealing device
CN110487069A (en) * 2019-08-21 2019-11-22 徐州仕名建材机械有限公司 A kind of forward and reverse gas chamber composite seal device of rotary kiln

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