CN217527698U - Ball mill feed inlet seal structure - Google Patents
Ball mill feed inlet seal structure Download PDFInfo
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- CN217527698U CN217527698U CN202220947172.XU CN202220947172U CN217527698U CN 217527698 U CN217527698 U CN 217527698U CN 202220947172 U CN202220947172 U CN 202220947172U CN 217527698 U CN217527698 U CN 217527698U
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- oil
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- ball mill
- rotary drum
- oil pocket
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Abstract
The utility model discloses a ball mill feed inlet seal structure, belong to ball mill sealing technical field, a serial communication port, be provided with the seal cover on the rotary drum, it is fixed with the rotary drum through bolt I, the seal cover is followed the rotary drum and is rotated, the inlet pipe top is provided with the ring flange, the ring flange is fixed bottom the outside feed valve, the inlet pipe below is provided with sealed lid, sealed side of covering is provided with the bolt oil filler point, it is sealed through bolt II, bolt oil filler point below is provided with oil pocket I, be provided with gland and sealing filler between sealed lid and the seal cover respectively, be provided with the logical oilhole on the gland, logical oilhole top is provided with oil pocket II, oil pocket II corresponds with two liang with oil pocket I, it is provided with oil pocket III to lead to the oilhole below, lubricating oil is respectively through the bolt oil filler point, oil pocket I, oil pocket II, lead to oilhole and III injection, the oil is with the seal cover contact after pouring into. The problem of sealed relatively poor leading to the built-in air admission between current ball mill rotary drum and the feed inlet is solved, mainly be applied to in the aspect of the ball mill production.
Description
Technical Field
The utility model belongs to the technical field of the ball mill is sealed, concretely relates to ball mill feed inlet seal structure.
Background
The ball mill is widely used in the industries of mineral separation, building materials, chemical engineering and the like, and is particularly divided into a dry ball mill and a wet ball mill. According to different ore discharge modes, the ball mill can be divided into a lattice type and an overflow type, the traditional sealing structure between a feeding hole and a rotary drum of the existing ball mill is a single-end-face or double-end-face spring type mechanical seal, but the sealing effect is found to be not good in use, the material leakage condition can often occur, nitrogen needs to be flushed in when the ball mill works, the temperature in the ball mill is about 400 ℃, the negative pressure and the oxygen concentration are lower than 8%, if the leakage cannot be found in time, the excessive air inflow in the ball mill is caused, oxygen in air can be mixed with dust in the rotary drum to cause the explosion of the ball mill, and the immeasurable loss is caused to enterprises. Aiming at the problems, the sealing structure of the feed inlet of the ball mill is provided for the department of China.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ball mill feed inlet seal structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ball mill feed inlet seal structure, includes ball mill, rotary drum and inlet pipe, the inside rotary drum that is provided with of ball mill, its characterized in that: the rotary drum on be provided with the seal cover, seal cover and rotary drum between through I fixed connection of a set of bolt, the seal cover rotates with the rotary drum when rotating, inlet pipe top fixed be provided with the ring flange for it is fixed with external feed valve, inlet pipe below be provided with sealed lid, sealed lid side evenly be provided with bolt oil filler point, be used for to the inside oiling, bolt oil filler point on be provided with bolt II, be used for sealed external impurity entering, bolt oil filler point below be provided with oil pocket I, sealed lid and seal cover between be provided with gland and sealing filler respectively, the dynamic seal that produces the packing force between sealing filler material and mounting and the rotation piece, gland and sealed lid between through III fixed connection of a set of bolt, the lid on evenly be provided with a set of oil through hole, oil through hole top be provided with II, oil cavity II and oil pocket I between two liang correspond, be convenient for oil body to pour into, oil through hole below be provided with III, oil body pours into to III into to the seal cover from oil through, finally oil body and seal cover contact.
Preferably, the sealing sleeve is made of fluorocarbon rubber polymer material and has good oleophobic property, and the material is soft material and has elasticity so as to realize better sealing with the gland.
Preferably, the sealing filler material is a flexible graphite prefabricated ring, and dynamic sealing is generated between the sealing filler material and the fixed part and between the sealing filler material and the rotating part by pressing force.
Compared with the prior art, the beneficial effects of the utility model are that:
the sealing sleeve is arranged on the designed rotary drum and fixed on the rotary drum through a group of bolts I, the sealing sleeve rotates along with the rotary drum, a flange plate is fixedly arranged above the feeding pipe and fixed with an external feeding valve, a sealing cover is arranged below the feeding pipe, bolt oil injection holes are uniformly formed in the side edge of the sealing cover, lubricating oil is injected through the bolt oil injection holes, bolts II are arranged on the bolt oil injection holes and sealed through the bolts II, oil cavities I are arranged below the bolt oil injection holes, a gland and sealing fillers are respectively arranged between the sealing cover and the sealing cover, the gland is fixed with the sealing cover through a group of bolts III, a group of oil through holes are uniformly formed in the gland, oil cavities II are arranged above the oil through holes, the oil cavities II correspond to the oil cavities I in pairs, oil cavities III are arranged below the oil through holes, and the lubricating oil respectively contact with the sealing sleeve through the bolt oil injection holes, the oil cavities I, the oil cavities II, the oil through holes and the oil cavities III.
Drawings
Fig. 1 is a front partial sectional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A of the present invention;
fig. 3 is a partial enlarged view of fig. 2B of the present invention;
fig. 4 is a partial enlarged view of fig. 3C of the present invention.
In the figure: 1. a ball mill; 2. a drum; 3. a feed pipe; 4. sealing sleeves; 5. a bolt I; 6. a flange plate; 7. a sealing cover; 8. a bolt oil injection hole; 9. a bolt II; 10. an oil cavity I; 11. a gland; 12. sealing and filling; 13. a bolt III; 14. an oil through hole; 15. an oil cavity II; 16. and an oil chamber III.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a ball mill feed inlet seal structure, includes ball mill 1, rotary drum 2 and inlet pipe 3, 1 inside rotary drum 2, its characterized in that of being provided with of ball mill: the rotary drum 2 on be provided with seal cover 4, seal cover 4's material be fluorocarbon rubber polymerization material, seal cover 4 and rotary drum 2 between through a set of bolt I5 fixed connection, 3 top fixed flange discs 6 that are provided with of inlet pipe, 3 below of inlet pipe be provided with sealed lid 7, sealed lid 7 side evenly be provided with bolt oil filler point 8, bolt oil filler point 8 on be provided with bolt II 9, bolt oil filler point 8 below be provided with oil pocket I10, sealed lid 7 and seal cover 4 between be provided with gland 11 and sealing filler 12 respectively, sealing filler 12 material be flexible graphite prefabricated ring, gland 11 and sealed lid 7 between through a set of bolt III 13 fixed connection, lid 11 on evenly be provided with a set of logical oilhole 14, logical oilhole 14 top be provided with oil pocket II 15, two liang of oil pockets II and I10 between correspond, logical oilhole 14 below be provided with III oil pocket 16.
The utility model discloses a theory of operation and use flow: at first take off bolt II 9 from bolt oil filler point 8, toward 8 oiling of bolt oil filler point, lubricating oil is respectively through bolt oil filler point 8, oil pocket I10, oil pocket II 15, oil through hole 14 and oil pocket III 16 and the contact of seal cover 4, 3 top ring flanges 6 of inlet pipe are fixed with outside feed valve, ball mill 1 work this moment, 1 inside rotary drum 2 of ball mill rotates, seal cover 4 on the rotary drum 2 follows rotary drum 2 and rotates, guaranteed sealed between rotary drum 2 and the inlet pipe 3, this structure has guaranteed rotary drum 2 and sealed between 3 at the time of rotating and the inlet pipe, sealed effect is better, make 1 leakage of ball mill and the problem of admitting air obtain perfect solution.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a ball mill feed inlet seal structure, includes ball mill (1), rotary drum (2) and inlet pipe (3), ball mill (1) inside is provided with rotary drum (2), its characterized in that: rotary drum (2) on be provided with seal cover (4), seal cover (4) and rotary drum (2) between through a set of bolt I (5) fixed connection, inlet pipe (3) top fixed be provided with ring flange (6), inlet pipe (3) below be provided with sealed lid (7), sealed lid (7) side evenly be provided with bolt oil filler point (8), bolt oil filler point (8) on be provided with bolt II (9), bolt oil filler point (8) below be provided with oil pocket I (10), sealed lid (7) and seal cover (4) between be provided with gland (11) and gland packing (12) respectively, gland (11) and sealed lid (7) between through a set of bolt III (13) fixed connection, gland (11) on evenly be provided with a set of oil through hole (14), oil through hole (14) top be provided with II (15), two liang of correspondence between II (15) and oil pocket I (10), oil through oil hole (14) below be provided with oil hole (16).
2. The ball mill feed inlet sealing structure of claim 1, characterized in that: the sealing sleeve (4) is made of fluorocarbon rubber polymer material.
3. The ball mill feed inlet sealing structure of claim 1, characterized in that: the sealing filler (12) is made of a flexible graphite prefabricated ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220947172.XU CN217527698U (en) | 2022-04-22 | 2022-04-22 | Ball mill feed inlet seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220947172.XU CN217527698U (en) | 2022-04-22 | 2022-04-22 | Ball mill feed inlet seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217527698U true CN217527698U (en) | 2022-10-04 |
Family
ID=83432336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220947172.XU Active CN217527698U (en) | 2022-04-22 | 2022-04-22 | Ball mill feed inlet seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217527698U (en) |
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2022
- 2022-04-22 CN CN202220947172.XU patent/CN217527698U/en active Active
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