CN217381604U - Drying machine with machine head capable of preventing mud leakage - Google Patents
Drying machine with machine head capable of preventing mud leakage Download PDFInfo
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- CN217381604U CN217381604U CN202220575427.4U CN202220575427U CN217381604U CN 217381604 U CN217381604 U CN 217381604U CN 202220575427 U CN202220575427 U CN 202220575427U CN 217381604 U CN217381604 U CN 217381604U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a drier of aircraft nose leak protection mud relates to the drier field, and seal cartridge assembly includes rotating ring and stationary ring, and the stationary ring cover is outside the main shaft and with casing fixed connection, and the rotating ring includes inside and outside coaxial setting and fixed connection's inner ring and outer loop, and the rotating ring sealed housing is outside the main shaft, and the stationary ring is located between inner ring and the outer loop, and the stationary ring is sealed with the outer loop. The beneficial effects of the utility model are that: the movable ring and the main shaft are sealed, and the fixed ring and the outer ring are sealed, so that sludge is prevented from entering the sealing sleeve assembly. Meanwhile, a labyrinth passage is formed in the sealing sleeve assembly through the inner ring, the outer ring and the fixed ring, the difficulty of outward flowing of sludge is increased, and therefore sludge leakage of the drying machine is prevented.
Description
Technical Field
The utility model relates to a mummification machine field, concretely relates to mummification machine of aircraft nose leak protection mud.
Background
The internal structure of the sludge drying machine is a steam disc and a main shaft, steam enters each disc through a central hole of the main shaft respectively to heat the discs, and condensate condensed by the steam is recycled in a unified manner through a condensate pipeline.
The sludge is biochemical sludge with water content of 80 percent, and the water content is required to be removed by a sludge drier, the sludge enters the drier through an inlet pipeline and contacts with a main shaft and a disc for heat exchange, and the sludge is dried to the water content of below 40 percent, so that the aim of removing the water content is fulfilled.
In the middle of the actual production operation process, the condition that the sludge at the joint of the main shaft and the shell is leaked outwards along the main shaft frequently occurs, and the existing drying machine is only sealed between the main shaft and the shell through graphite packing, so that the condition of sludge leakage cannot be effectively prevented.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of preventing the drying machine from leaking mud.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the drier comprises a shell and a main shaft, wherein the main shaft is rotatably arranged in the shell, the end part of the main shaft extends out of the shell,
the sealing sleeve assembly comprises a movable ring and a fixed ring, the fixed ring is sleeved outside the main shaft and fixedly connected with the shell, the movable ring comprises an inner ring and an outer ring which are coaxially arranged inside and outside and fixedly connected, the movable ring is fixedly sealed and sleeved outside the main shaft, the fixed ring is positioned between the inner ring and the outer ring, and the fixed ring is sealed with the outer ring.
The utility model has the advantages that: the movable ring and the main shaft are sealed, and the fixed ring and the outer ring are sealed, so that sludge is prevented from entering the sealing sleeve assembly. Meanwhile, a labyrinth passage is formed in the sealing sleeve assembly through the inner ring, the outer ring and the fixed ring, the difficulty of outward flowing of sludge is increased, and therefore sludge leakage of the drying machine is prevented.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
The spindle further comprises a shaft end sheath, the shell is provided with a shaft hole, one end of the shaft end sheath is fixed in the shaft hole, the other end of the shaft end sheath extends out of the shell, and the end part of the spindle penetrates through the shaft end sheath.
The nitrogen connector is fixedly connected with the shaft end sheath and communicated with a gap between the sleeve and the main shaft.
The beneficial effect of adopting the above further scheme is: and introducing nitrogen into the sleeve through the nitrogen connector, thereby performing air sealing and preventing the sludge from flowing outwards along the main shaft.
And the end packing is positioned in the other end of the shaft end sheath and is connected with the shaft end sheath and the main shaft in a sealing way.
The beneficial effect of adopting the further scheme is that: the end packing seals the other end of the shaft end sheath to prevent sludge from leaking outwards.
Further, the middle part of main shaft is fixed with disc group, and the mummification machine still includes dials the material subassembly, follows main shaft axis direction, dial the material subassembly and be located disc group with between the casing end wall, dial the material subassembly and include at least one group material pole, the one end of group material pole with main shaft fixed connection, the other end is fixed with the switch plate.
The beneficial effect of adopting the further scheme is that: the material stirring assembly is arranged near the joint of the shell and the main shaft, so that nearby sludge is stirred and pushed to the middle of the shell, the mobility of the sludge in the drying machine is increased, the drying efficiency is improved, the sludge can be prevented from being accumulated at the end part of the shell, and the opportunity that the sludge enters the sealing sleeve assembly is reduced.
Further, still include the chute, the roof of casing one end has the feed inlet, the chute corresponds to be located the below of feed inlet, the one end of chute with casing roof fixed connection, its other end to the casing other end extends downwards to one side.
The beneficial effect of adopting the further scheme is that: the chute guides the sludge at the feed inlet to the discharge outlet at the other end of the shell, so that the sludge is prevented from being accumulated at a position close to the machine head.
Further, the cross section of the chute is in the shape of a circular arc protruding downwards.
The beneficial effect of adopting the further scheme is that: the arc chute sludge diversion effect is good.
Further, the chute also comprises rib plates which are respectively and fixedly connected with the chute and the shell.
The beneficial effect of adopting the further scheme is that: the rib plates support the chute and increase the structural strength.
Furthermore, the movable ring and the main shaft are sealed through a first sealing packing, and the fixed ring and the outer ring are sealed through a second sealing packing; the main shaft is provided with a limiting part, the limiting part is positioned at one end, away from the fixed ring, of the movable ring, and the limiting part is abutted and limited with the movable ring.
Furthermore, the number of the main shafts is two, the two main shafts are arranged in parallel, and at least one end of each main shaft is connected with the shell in a sealing mode through the sealing sleeve assembly.
Drawings
Fig. 1 is a partial structure diagram of a drying machine for preventing mud leakage of a machine head of the present invention, wherein a main shaft and a shell are represented by dotted lines, and main improvement points are represented by solid lines, so as to highlight the improvement points of the scheme;
fig. 2 is an enlarged view of the machine head of the drying machine for preventing sludge leakage in the position P in fig. 1.
In the drawings, the reference numbers indicate the following list of parts:
1. a housing; 2. a main shaft; 3. a sealing sleeve assembly; 301. a moving ring; 302. fixing a ring; 303. a first seal packing; 304. a second seal packing; 4. a sleeve; 5. a nitrogen gas joint; 6. an end packing; 7. a material poking rod; 8. a chute; 9. a rib plate; 10. a disk.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment provides a drying machine with a machine head for preventing sludge leakage, which includes a housing 1 and a main shaft 2, wherein the main shaft 2 is rotatably installed in the housing 1, and an end of the main shaft 2 extends out of the housing 1,
still include seal cover subassembly 3, seal cover subassembly 3 includes rotating ring 301 and stationary ring 302, stationary ring 302 cover the main shaft 2 outside and with casing 1 fixed connection, rotating ring 301 includes inside and outside coaxial setting and fixed connection's inner ring and outer loop, rotating ring 301 sealed cover is in outside the main shaft 2, stationary ring 302 is located the inner ring with between the outer loop, stationary ring 302 with the outer loop is sealed.
The movable ring 301 and the main shaft 2 are sealed, and the fixed ring 302 and the outer ring are sealed, so that sludge is prevented from entering the sealing sleeve assembly 3. Meanwhile, a labyrinth passage is formed in the sealing sleeve assembly 3 through the inner ring, the outer ring and the fixed ring 302, so that the difficulty of outward flowing of sludge is increased, and sludge leakage of the drying machine is prevented.
Wherein, only one end of the main shaft 2 usually extends out of the shell 1 and is connected with the motor, and the motor drives the main shaft 2, and only the part of the main shaft 2 extending out of the shell 1 is required to be provided with the sealing sleeve component 3; of course, if both ends of the main shaft 2 extend out of the housing 1, both ends of the main shaft 2 can be installed with the sealing sleeve assemblies 3.
Preferably, the movable ring 301 is formed into a circular ring shape by connecting two semicircular rings through bolts, and is tightly held outside the main shaft 2, so that the movable ring 301 can be quickly disassembled and assembled through disassembling and assembling bolts.
As shown in fig. 2, a gap d is reserved between the end of the outer ring and the inner wall of the housing 1, so as to avoid abrasion caused by friction between the moving ring 301 and the housing 1.
On the basis of any scheme, the spindle further comprises a shaft end sheath, the shell 1 is provided with a shaft hole, one end of the shaft end sheath is fixed in the shaft hole, the other end of the shaft end sheath extends out of the shell 1, and the end part of the spindle 2 penetrates through the shaft end sheath.
Specifically, the shaft end sheath is cylindrical and is arranged coaxially with the main shaft 2.
On the basis of any scheme, the device further comprises a sleeve 4 and a nitrogen connector 5, wherein the sleeve 4 is sleeved between the main shaft 2 and the shaft end sheath, and the nitrogen connector 5 is fixedly connected with the shaft end sheath and communicated with a gap between the sleeve 4 and the main shaft 2.
And nitrogen is introduced into the sleeve 4 through the nitrogen connector 5, so that air sealing is performed, and the sludge is prevented from flowing outwards along the main shaft 2.
Specifically, after the sleeve 4 is installed in the shaft end sheath, drilling is performed, so that coaxial mounting holes are formed in the sleeve 4 and the shaft end sheath, and then the nitrogen connector 5 is plugged into the mounting holes and fixed.
On the basis of any one scheme, the spindle further comprises an end packing 6, the end packing 6 is located in the other end of the shaft end sheath, and the end packing 6 is connected with the shaft end sheath and the spindle 2 in a sealing mode.
The end packing 6 seals the other end of the shaft end sheath to prevent sludge from leaking outwards.
Specifically, the packing is a strip-shaped sealing filler. The end packing 6 is spirally wound on the main shaft 2, so that a section of sealing section is formed, and the sludge is prevented from leaking outwards. The end packing 6 can be fixedly connected with the shaft end sheath or the main shaft 2; or the end packing 6 is only plugged between the shaft end sheath and the main shaft 2 and is not fixed.
On the basis of any scheme, a disc set is fixed in the middle of the main shaft 2, the drying machine further comprises a material stirring assembly, the material stirring assembly is located between the disc set and the end wall of the shell 1 along the axis direction of the main shaft 2, the material stirring assembly comprises at least one material stirring rod 7, one end of the material stirring rod 7 is fixedly connected with the main shaft 2, and a material stirring plate is fixed at the other end of the material stirring rod.
The material stirring assembly is arranged near the joint of the shell 1 and the main shaft 2, so that nearby sludge is stirred and pushed to the middle of the shell 1, the flowability of the sludge in the drying machine is increased, the drying efficiency is improved, the sludge can be prevented from being accumulated at the end of the shell, and the opportunity that the sludge enters the sealing sleeve assembly 3 is reduced.
Preferably, two material stirring rods 7 are arranged on each main shaft 2, the material stirring rods 7 extend along the radial direction of the main shaft 2, and the two material stirring rods 7 are uniformly distributed in the circumferential direction of the main shaft 2. Of course the setting bars 7 can also be provided in three or more. Specifically, the axes of the material-shifting plate and the main shaft 2 are located on the same plane, that is, the material-shifting plate is perpendicular to the rotation direction.
Preferably, the kick-off assembly is arranged on the end wall of the shell 1 close to the feed inlet.
Specifically, the disc set comprises a plurality of discs 10 fixedly connected with the spindle 2, and the plurality of discs 10 are arranged at intervals along the axis of the spindle 2.
On the basis of any scheme, still include chute 8, the roof of casing 1 one end has the feed inlet, chute 8 corresponds to be located the below of feed inlet, chute 8 one end with 1 roof fixed connection of casing, its other end to 1 other end oblique downwardly extending of casing.
The chute 8 guides the sludge at the feeding hole to the discharging hole at the other end of the shell 1, thereby avoiding the sludge from accumulating at the position close to the machine head.
On the basis of any scheme, the cross section of the chute 8 is in the shape of a circular arc protruding downwards.
The arc chute 8 has good sludge diversion effect.
On the basis of any scheme, the device further comprises rib plates 9, and the rib plates 9 are fixedly connected with the chute 8 and the shell 1 respectively.
The rib plates 9 support the chute 8, and the structural strength is improved.
On the basis of any scheme, the movable ring 301 and the main shaft 2 are sealed through a first sealing packing 303, and the fixed ring 302 and the outer ring are sealed through a second sealing packing 304; the main shaft 2 is provided with a limiting part, the limiting part is positioned at one end of the movable ring 301 far away from the fixed ring 302, and the limiting part is abutted and limited with the movable ring 301.
The first seal packing 303 and the second seal packing 304 are both annular. The limiting part can be a limiting block fixed on the main shaft 2, or the main shaft 2 is a stepped shaft, and a shaft shoulder of the stepped shaft forms the limiting part. The limiting part is used for limiting the rotating ring 301 not to be far away from the fixed ring 302 along the axis of the spindle 2, and when the spindle 2 rotates, the rotating ring 301 can rotate or not rotate along with the spindle 2.
On the basis of any scheme, the number of the main shafts 2 is two, the two main shafts 2 are arranged in parallel, and at least one end of each main shaft 2 is connected with the shell 1 in a sealing mode through the sealing sleeve assembly 3.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The drier with the machine head capable of preventing sludge leakage comprises a shell (1) and a main shaft (2), wherein the main shaft (2) is rotatably arranged in the shell (1), the end part of the main shaft (2) extends out of the shell (1),
still include sealed cover subassembly (3), sealed cover subassembly (3) include rotating ring (301) and stationary ring (302), stationary ring (302) cover the main shaft (2) outside and with casing (1) fixed connection, rotating ring (301) are including inside and outside coaxial arrangement and fixed connection's inner ring and outer loop, rotating ring (301) seal cover is in outside main shaft (2), stationary ring (302) are located the inner ring with between the outer loop, stationary ring (302) with the outer loop is sealed.
2. The drying machine for preventing the machine head from leaking mud as claimed in claim 1, further comprising a shaft end sheath, wherein the housing (1) has a shaft hole, one end of the shaft end sheath is fixed in the shaft hole, the other end of the shaft end sheath extends out of the housing (1), and the end of the main shaft (2) passes through the shaft end sheath.
3. The drying machine for preventing mud leakage of the machine head of claim 2, further comprising a sleeve (4) and a nitrogen connector (5), wherein the sleeve (4) is sleeved between the main shaft (2) and the shaft end sheath, and the nitrogen connector (5) is fixedly connected with the shaft end sheath and is communicated with a gap between the sleeve (4) and the main shaft (2).
4. The drying machine for preventing the machine head from leaking mud of the claim 2 is characterized by further comprising an end packing (6), wherein the end packing (6) is positioned in the other end of the shaft end sheath, and the end packing (6) is hermetically connected with the shaft end sheath and the main shaft (2).
5. The drying machine for preventing mud leakage of the machine head according to any one of claims 1 to 4, characterized in that a disc set is fixed in the middle of the main shaft (2), the drying machine further comprises a material stirring assembly, the material stirring assembly is located between the disc set and the end wall of the housing (1) along the axial direction of the main shaft (2), the material stirring assembly comprises at least one material stirring rod (7), one end of the material stirring rod (7) is fixedly connected with the main shaft (2), and the other end of the material stirring rod is fixed with a material stirring plate.
6. The drying machine for preventing the machine head from leaking the sludge as claimed in any one of claims 1 to 4, further comprising a chute (8), wherein the top wall of one end of the casing (1) is provided with a feed inlet, the chute (8) is correspondingly positioned below the feed inlet, one end of the chute (8) is fixedly connected with the top wall of the casing (1), and the other end of the chute extends downwards obliquely towards the other end of the casing (1).
7. The drying machine for preventing the machine head from leaking the sludge as claimed in claim 6, wherein the cross-sectional shape of the chute (8) is a circular arc shape protruding downwards.
8. The drying machine for preventing the machine head from leaking the sludge according to claim 6, further comprising a rib plate (9), wherein the rib plate (9) is fixedly connected with the chute (8) and the shell (1) respectively.
9. The drying machine for preventing the machine head from leaking mud of any one of claims 1 to 4, wherein the movable ring (301) is sealed with the main shaft (2) through a first sealing packing (303), and the fixed ring (302) is sealed with the outer ring through a second sealing packing (304); the main shaft (2) is provided with a limiting part, the limiting part is positioned at one end, away from the fixed ring (302), of the movable ring (301), and the limiting part is abutted and limited with the movable ring (301).
10. The drying machine for preventing machine head from leaking mud according to any one of claims 1 to 4, characterized in that the number of the main shafts (2) is two, the two main shafts (2) are arranged in parallel, and at least one end of each main shaft (2) is connected with the casing (1) in a sealing manner through the sealing sleeve assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575427.4U CN217381604U (en) | 2022-03-16 | 2022-03-16 | Drying machine with machine head capable of preventing mud leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220575427.4U CN217381604U (en) | 2022-03-16 | 2022-03-16 | Drying machine with machine head capable of preventing mud leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217381604U true CN217381604U (en) | 2022-09-06 |
Family
ID=83101278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220575427.4U Active CN217381604U (en) | 2022-03-16 | 2022-03-16 | Drying machine with machine head capable of preventing mud leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217381604U (en) |
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2022
- 2022-03-16 CN CN202220575427.4U patent/CN217381604U/en active Active
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