CN210106583U - Novel coal mill frame is sealed device - Google Patents
Novel coal mill frame is sealed device Download PDFInfo
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- CN210106583U CN210106583U CN201921013747.5U CN201921013747U CN210106583U CN 210106583 U CN210106583 U CN 210106583U CN 201921013747 U CN201921013747 U CN 201921013747U CN 210106583 U CN210106583 U CN 210106583U
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Abstract
The utility model discloses a novel coal pulverizer frame is sealed device, including the main shaft body, the left and right sides of main shaft body all is equipped with the frame and seals, the frame seal with main shaft body sealing connection, the frame is sealed including flexible upper seal, flexible lower seal, flange, clamp, immersion oil wool felt and stud, the sealed top of frame all is equipped with flexible upper seal, the sealed bottom of frame is equipped with flexible lower seal. The whole leakproofness of this kind of equipment is good, is convenient for maintain simultaneously, and wear resistance is strong, simple structure, and the practicality is strong.
Description
Technical Field
The utility model relates to a coal mill equipment technical field specifically is a novel coal pulverizer frame is sealed device.
Background
In the process of conveying raw coal on a belt, a special iron remover is used for removing iron impurities in the raw coal. However, because the coal quality deviates from the designed coal type, the belt rotating speed is high, and in addition, the coal layer is thick and uneven, and the iron impurities cannot be completely removed and enter the coal mill. When part of iron impurities enter the coal mill, a large amount of coal dust and other impurities are accumulated at the coal mill, and the sealing device is operated in an environment where the coal dust and the impurities are accumulated for a long time, so that the sealing device fails and leaks. The coal mill base seals, wears and leaks to have certain relation with the coal quality, and when wearing and tearing to a certain extent, the sealed clearance increases, is very easily blocked by foreign matter such as pebble coal this moment, causes the carbon ring rapid wear, leads to a large amount of leakages such as pebble coal.
The carbon fine ring sealing device adopted by the original seal of the traditional coal mill base is characterized in that the elastic compensation is lacked after the seal is tight, the transmission shaft is easy to wear due to tight seal, air leakage and powder leakage can occur due to the clearance, the maintenance of air leakage is extremely inconvenient, the problems need to be improved on the traditional equipment, and therefore a novel coal mill base sealing device is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a novel coal pulverizer frame sealing device has solved the former sealed carbon ring sealing device who adopts of traditional coal pulverizer frame, and this sealing method is sealed tight then easy wearing and tearing transmission shaft owing to lack elastic compensation after wearing and tearing, leaves the clearance then can leak out the powder that leaks, the extremely inconvenient problem of maintenance of nevertheless leaking out.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel coal pulverizer frame is sealed device, includes the main shaft body, the left and right sides of main shaft body all is equipped with the frame and seals, the frame seal with main shaft body sealing connection, the frame is sealed including flexible upper seal, flexible lower seal, hold-down flange, clamp, immersion oil wool felt and stud, the sealed top of frame all is equipped with flexible upper seal, the sealed bottom of frame is equipped with flexible lower seal.
As a further preferred mode of the utility model, the sealed upper and lower both sides of frame all are equipped with hold-down flange, hold-down flange with main shaft body fixed connection.
As a further preferred mode of the utility model, the flexibility is sealed the top down and is equipped with the clamp, the clamp is sealed detachable the connection under with the flexibility.
As a further preferred mode of the utility model, the bottom of sealing is equipped with the immersion oil wool felt under the flexibility.
As a further preferred mode of the present invention, the middle of the frame seal is provided with a stud bolt.
In a further preferred embodiment of the present invention, the flexible upper seal and the flexible lower seal are made of a high molecular polymer.
(III) advantageous effects
The utility model provides a novel coal pulverizer frame is sealed device. The method has the following beneficial effects:
the equipment is made of a high-molecular polymer material, has the characteristics of high temperature resistance, high elasticity, self-service clearance compensation and the like, and enables the sealing material to be tightly attached to the transmission shaft, so that the clearance is reduced, and the purpose of sealing is achieved; when the abrasion gap is increased, the high-molecular polymer rubber seal can be compensated in time, and the sealing effect is further achieved; the original equipment does not need to be greatly changed, and the safe operation of the equipment is ensured; the maintenance is convenient, and the sealing rubber ring can be replaced in the later period.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure, a flexible upper seal-1, a flexible lower seal-2, a pressing flange-3, a hoop-4, a wool felt-5 soaked with oil and a stud-6.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: the utility model provides a novel coal pulverizer frame sealing device, includes the main shaft body, the left and right sides of main shaft body all is equipped with the frame and seals, the frame seal with main shaft body sealing connection, the frame is sealed including flexible upper seal 1, flexible lower seal 2, hold-down flange 3, clamp 4, immersion oil wool felt 5 and stud 6, the sealed top of frame all is equipped with flexible upper seal 1, the sealed bottom of frame is equipped with flexible lower seal 2.
The upper side and the lower side of the machine seat seal are respectively provided with a pressing flange 3, and the pressing flanges 3 are fixedly connected with the main shaft body. Through the design, the pressing flange 3 can be used for being installed and fixed with the main shaft body.
The top of flexible lower seal 2 is equipped with clamp 4, clamp 4 and flexible lower seal 2 are detachable to be connected. By means of this design, the flexible bottom seal 2 can be secured by means of a clamping band 4.
And the bottom of the flexible lower seal 2 is provided with an oil-impregnated wool felt 5. By this design the sealing effect can be enhanced by means of the oil-impregnated wool felt 5.
And a stud bolt 6 is arranged in the middle of the machine seat seal. Through the design, the whole equipment can be locked and fixed by the stud bolts 6.
The flexible upper seal 1 and the flexible lower seal 2 are made of high molecular polymers. By such a design, the functionality of the seal can be enhanced by utilizing the characteristics of the polymer.
The working principle is as follows: when the device is used, the high-molecular polymer rubber seal has the characteristics of high temperature resistance, high wear resistance and self lubrication. Because it is flexible seal, it is combined with the transmission shaft tightly to prevent the leakage of sealing wind. However, the transmission shaft has irregular eccentric swing in operation, and in addition, the transmission shaft has a little play up and down, so that some parts are greatly abraded. When the sealing structure is worn, the rubber has high elasticity, the gap can be compensated timely, gapless sealing is achieved, the high polymer rubber seal is designed into primary sealing secondary sealing, the secondary sealing is kept good in sealing effect after the primary sealing is worn, a wool felt, an oil storage tank and an oil injection pipe are designed in the sealing ring, lubricating grease is filled in the oil storage tank during installation, a stainless steel hoop is tightly combined with a transmission shaft, the high polymer rubber is fixed through a flange, the sealing gap between the rubber and the transmission shaft can be adjusted through the hoop and the flange, the wool felt is lubricated by oil immersion, the high polymer rubber is prevented from being worn, the service life of a sealing system is prolonged, the lubricating oil is worn and exhausted, and oil can be injected through the.
The utility model discloses a flexible upper seal-1, flexible lower seal-2, hold-down flange-3, clamp-4, immersion oil felt-5, stud-6 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel, the utility model provides a problem be the former sealed carbon smart ring sealing device who adopts of traditional coal pulverizer frame, this sealing method is because lack elastic compensation after wearing and tearing, sealed tight then the transmission shaft that wears easily, leave the clearance then can leak out the wind and leak the powder, one nevertheless leak out the maintenance extremely inconvenient. The whole leakproofness of this kind of equipment is good, is convenient for maintain simultaneously, and wear resistance is strong, simple structure, and the practicality is strong.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a novel coal pulverizer frame is sealed device, includes the main shaft body, its characterized in that: the left and right sides of main shaft body all is equipped with the frame and seals, the frame seal with main shaft body sealing connection, the frame is sealed including flexible upper seal (1), flexible lower seal (2), hold-down flange (3), clamp (4), immersion oil wool felt (5) and stud (6), the sealed top of frame all is equipped with flexible upper seal (1), the sealed bottom of frame is equipped with flexible lower seal (2).
2. The novel coal mill base sealing device of claim 1, characterized in that: the upper side and the lower side of the machine seat seal are respectively provided with a pressing flange (3), and the pressing flanges (3) are fixedly connected with the main shaft body.
3. The novel coal mill base sealing device of claim 1, characterized in that: the top of flexible lower seal (2) is equipped with clamp (4), clamp (4) and flexible lower seal (2) detachable connection.
4. The novel coal mill base sealing device of claim 1, characterized in that: and an oil-impregnated wool felt (5) is arranged at the bottom of the flexible lower seal (2).
5. The novel coal mill base sealing device of claim 1, characterized in that: the middle of the machine seat seal is provided with a stud bolt (6).
6. The novel coal mill base sealing device of claim 1, characterized in that: the flexible upper seal (1) and the flexible lower seal (2) are made of high polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013747.5U CN210106583U (en) | 2019-07-02 | 2019-07-02 | Novel coal mill frame is sealed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013747.5U CN210106583U (en) | 2019-07-02 | 2019-07-02 | Novel coal mill frame is sealed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106583U true CN210106583U (en) | 2020-02-21 |
Family
ID=69567790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013747.5U Active CN210106583U (en) | 2019-07-02 | 2019-07-02 | Novel coal mill frame is sealed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106583U (en) |
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2019
- 2019-07-02 CN CN201921013747.5U patent/CN210106583U/en active Active
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