CN212004255U - Mechanical seal structure of high-temperature-resistant reaction kettle stirring shaft - Google Patents
Mechanical seal structure of high-temperature-resistant reaction kettle stirring shaft Download PDFInfo
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- CN212004255U CN212004255U CN202020609653.0U CN202020609653U CN212004255U CN 212004255 U CN212004255 U CN 212004255U CN 202020609653 U CN202020609653 U CN 202020609653U CN 212004255 U CN212004255 U CN 212004255U
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Abstract
The utility model discloses a mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft, concretely relates to (mixing) shaft seal field, including the (mixing) shaft body, quiet seat all is provided with the ring channel with one side that moves the seat and be close to the axle sleeve, be formed with the heat conduction chamber between ring channel and the axle sleeve, the inside interval in heat conduction chamber is even is provided with a plurality of heat conduction ring, just the upper and lower both ends of heat conduction ring all are provided with the through-hole, the fixed setting in the inside wall of quiet seat in the outside of the inboard heat conduction ring of quiet seat, the outside of moving the inboard heat conduction ring of seat is rotated and is set up on the inside wall of moving the seat, adjacent two the equal fixed seal baffle that is provided with in both ends around between the heat conduction ring and between the inside wall of quiet seat and the heat conduction ring of keeping away from moving seat one end, one. The utility model discloses make mechanical seal axle's high temperature resistance can be better to improve mechanical seal axle's life.
Description
Technical Field
The utility model relates to a (mixing) shaft sealing technique field, more specifically says, the utility model relates to a mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, keeping fit and relatively sliding under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seals. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. The transmission shaft penetrates through the inside and outside of the equipment, so that a circumferential gap exists between the shaft and the equipment, a medium in the equipment leaks outwards through the gap, if the pressure in the equipment is lower than the atmospheric pressure, air leaks into the equipment, a shaft seal device for preventing leakage is required, the shaft seal device has a plurality of types, and the mechanical seal is the most important shaft seal mode in the equipment in the world due to the advantages of small leakage amount, long service life and the like. The mechanical seal is also called a face seal, and is defined as a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, and the end faces are kept jointed and relatively slide under the action of fluid pressure and elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.
When the stirring shaft of the existing reaction kettle is used for stirring high-temperature objects, the device is easily damaged by high temperature, the normal operation of the device is influenced, and the service life is short.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the embodiment of the utility model provides a mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft, the utility model aims to solve the technical problem that: how to improve the high temperature resistance of a stirring shaft of a reaction kettle.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft, includes the (mixing) shaft body and sets up in the axle sleeve in the (mixing) shaft body outside, the outside of axle sleeve is provided with the mechanical seal axle, the mechanical seal axle is including quiet seat and movable seat, one side of quiet seat is provided with quiet ring, one side that movable seat is close to quiet seat is provided with the rotating ring, quiet seat all is provided with the ring channel with one side that movable seat is close to the axle sleeve, be formed with the heat conduction chamber between ring channel and the axle sleeve, the inside interval in heat conduction chamber is even is provided with a plurality of heat conduction ring, just the upper and lower both ends of heat conduction ring all are provided with the through-hole, the inboard of heat conduction ring all is fixed to be set up on the axle sleeve, the outside of the inboard heat conduction ring of quiet seat is fixed to be set up on the inside wall of quiet seat, the outside rotation of the inboard heat conduction ring of movable seat sets up on the inside wall of movable The fixed sealed baffle that is provided with, one side of quiet seat is provided with cooling channel, the inside heat conduction chamber of cooling channel intercommunication quiet seat, one side of quiet seat is provided with circulation channel.
The utility model provides a pair of mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft, during the use, the seat and the rotating ring that move in the (mixing) shaft body outside follow the axle sleeve and rotate together, high temperature heat on the (mixing) shaft body is transmitted to the heat conduction chamber through the axle sleeve, lead-in the inside heat conduction chamber of quiet seat with the coolant oil through cooling channel, the coolant oil can carry out the heat exchange with axle sleeve and the heat of heat conduction intracavity portion, the coolant oil flows through the through-hole on the heat conduction ring, make the coolant oil flow at the up end of axle sleeve, when the coolant oil flows the one end of moving the seat, the coolant oil enters into the lower terminal surface of axle sleeve, can carry out cooling process to the lower terminal surface of (mixing) shaft body, the coolant oil after the cooling passes through circulation channel and flows, make the high temperature resistance of mechanical seal axle better, thereby improve the.
In a preferred embodiment, the static ring and the movable ring are matched, and the sealing surface between the static ring and the movable ring is precisely combined, so that the rotation of the movable ring is facilitated.
In a preferred embodiment, the outer sides of the static seat and the movable seat are provided with anti-corrosion layers, so that the mechanical seal shaft has better corrosion resistance.
In a preferred embodiment, a sealing ring is fixedly arranged on the surface of an annular groove of the shaft sleeve on one side of the static seat, so that the sealing effect is good.
In a preferred embodiment, a plurality of heat conducting blocks are uniformly arranged on the outer side of the shaft sleeve and in the heat conducting cavity at intervals, and the heat conducting blocks can absorb heat on the shaft sleeve.
In a preferred embodiment, the heat conducting block is made of heat conducting carbon fibers, the heat conducting block is of a hemispherical structure, the heat conducting carbon fibers have good heat conducting performance, and the contact area between the heat conducting block and the cooling oil can be increased by adopting a spherical structure.
In a preferred embodiment, a sealing rubber is arranged outside the heat conduction ring on the inner side of the movable seat, and the sealing rubber is arranged in contact with the inner side wall of the movable seat.
In a preferred embodiment, one end of the sealing partition plate is fixedly arranged on the side wall of the shaft sleeve, the other end of the sealing partition plate is arranged in contact with the inner side walls of the movable seat and the static seat, and a sealing gasket is arranged at the contact position of the sealing partition plate and the movable seat and the static seat.
Compared with the prior art, the utility model discloses a technological effect and advantage:
1. the utility model discloses a be provided with heat conduction chamber, heat conduction ring, through-hole, seal baffle, cooling channel and circulation channel, the coolant oil leads to in the heat conduction chamber of quiet seat inside through cooling channel, the coolant oil can carry out the heat exchange with the heat of axle sleeve and heat conduction intracavity portion, the coolant oil flows through the through-hole on the heat conduction ring, make the coolant oil flow at the up end of axle sleeve, the coolant oil passes through the through-hole on the seal baffle and gets into in the lower terminal surface of axle sleeve, can cool off the lower terminal surface of (mixing) shaft body, the coolant oil after the cooling flows out through circulation channel, compared with the prior art, the utility model discloses make the high temperature resistant performance of mechanical seal axle better, thereby improve the life of mechanical seal axle;
2. the utility model discloses a be provided with the heat conduction piece, the heat conduction piece can absorb the heat, and when the coolant oil passed through the heat conduction chamber, the heat conduction piece can increase the area of contact with the coolant oil for the heat exchange efficiency of coolant oil is better, can strengthen the corrosion resisting property of equipment through being provided with the anti-corrosion coating, thereby improve equipment's life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.
Fig. 3 is a schematic structural view of the heat conduction ring of the present invention.
Fig. 4 is a schematic view of the connection structure of the heat conduction ring and the sealing partition plate of the present invention.
The reference signs are: the stirring shaft comprises a stirring shaft body 1, a shaft sleeve 2, a static seat 3, a movable seat 4, a static ring 5, a movable ring 6, an annular groove 7, a heat conducting cavity 8, a heat conducting ring 9, a through hole 10, a sealing partition plate 11, a cooling channel 12, a circulating channel 13, an anti-corrosion layer 14, a sealing ring 15 and a heat conducting block 16.
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.
According to the mechanical seal structure of the high temperature resistant reaction kettle stirring shaft shown in the figures 1-4, the mechanical seal structure comprises a stirring shaft body 1 and a shaft sleeve 2 arranged outside the stirring shaft body 1, a mechanical seal shaft is arranged outside the shaft sleeve 2, the mechanical seal shaft comprises a static seat 3 and a movable seat 4, a static ring 5 is arranged on one side of the static seat 3, a movable ring 6 is arranged on one side of the movable seat 4 close to the static seat 3, annular grooves 7 are arranged on one sides of the static seat 3 and the movable seat 4 close to the shaft sleeve 2, a heat conduction cavity 8 is formed between the annular grooves 7 and the shaft sleeve 2, a plurality of heat conduction rings 9 are uniformly arranged in the heat conduction cavity 8 at intervals, through holes 10 are arranged at the upper end and the lower end of each heat conduction ring 9, the inner sides of the heat conduction rings 9 are fixedly arranged on the shaft sleeve 2, the outer sides of the heat conduction rings 9 on the inner side of the static seat 3, the outside of the inboard heat conduction ring 9 of moving seat 4 rotates and sets up on the inside wall of moving seat 4, and two adjacent all fixed seal plate 11 that is provided with in both ends around between the heat conduction ring 9 and the inside wall of quiet seat 3 and the heat conduction ring 9 of keeping away from moving seat 4 one end, one side of quiet seat 3 is provided with cooling channel 12, cooling channel 12 communicates the inside heat conduction chamber 8 of quiet seat 3, one side of quiet seat 3 is provided with circulation channel 13.
Further, the static ring 5 and the dynamic ring 6 are matched, and the sealing surface between the static ring 5 and the dynamic ring 6 is precisely combined.
Further, the outer sides of the static seat 3 and the movable seat 4 are both provided with an anti-corrosion layer 14.
Furthermore, a sealing ring 15 is fixedly arranged on the surface of the annular groove 7 of the shaft sleeve 2 on one side of the static seat 3.
Furthermore, a plurality of heat conduction blocks 16 are uniformly arranged on the outer side of the shaft sleeve 2 in the heat conduction cavity 8 at intervals.
Further, the heat conducting block 16 is made of heat conducting carbon fiber, and the heat conducting block 16 is of a hemispherical structure.
Further, sealing rubber is arranged on the outer side of the heat conducting ring 9 on the inner side of the movable seat 4, and the sealing rubber is arranged in contact with the inner side wall of the movable seat 4.
Further, the one end of seal baffle 11 is fixed to be set up on the lateral wall of axle sleeve 2, the other end of seal baffle 11 and the inside wall contact setting of moving seat 4 and quiet seat 3, just seal baffle 11 is provided with seal ring with the contact department of moving seat 4 and quiet seat 3.
The implementation mode is specifically as follows: during the use, the movable seat 4 and the movable ring 6 outside the (mixing) shaft body 1 rotate along with the axle sleeve 2, the high temperature heat on the (mixing) shaft body 1 is transmitted to the heat conduction chamber 8 through the axle sleeve 2, lead to the cooling oil in the heat conduction chamber 8 of the static seat 3 inside through cooling channel 12, the cooling oil can carry out the heat exchange with the heat inside axle sleeve 2 and the heat conduction chamber 8, the cooling oil flows through the through-hole on the heat conduction ring 9, make the cooling oil flow at the up end of axle sleeve 2, when the cooling oil flows to the one end of moving seat 4, the cooling oil enters into the lower terminal surface of axle sleeve 2 through the penetration hole on the sealed partition plate 11, can carry out cooling process to the lower terminal surface of (mixing) shaft body 1, the cooling oil after the cooling flows through circulation channel 13, make the high temperature resistance of mechanical seal axle better, thereby improve the life of mechanical seal axle.
The utility model discloses beneficial effect does: through being provided with heat conduction chamber 8, heat conduction ring 9, through-hole 10, seal baffle 11, cooling channel 12 and circulation channel 13, cooling oil passes through cooling channel 12 and guides into in 3 inside heat conduction chambers of quiet seat 8, cooling oil can carry out the heat exchange with axle sleeve 2 and the inside heat in heat conduction chamber 8, cooling oil flows through the through-hole on the heat conduction ring 9, make cooling oil flow at the up end of axle sleeve 2, when cooling oil flows the one end of moving seat 4, cooling oil enters into in the lower terminal surface of axle sleeve 2 through the penetrating hole on seal baffle 11, can cool off the lower terminal surface of (mixing) shaft body 1, cooling oil after the cooling flows out through circulation channel 13, compared with the prior art, the utility model discloses make the high temperature resistance of mechanical seal axle better, thereby improve the life of mechanical seal axle.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mechanical seal structure of high temperature resistant reaction cauldron (mixing) shaft, includes (mixing) shaft body (1) and sets up in axle sleeve (2) in the (mixing) shaft body (1) outside, the outside of axle sleeve (2) is provided with mechanical seal axle, its characterized in that: the mechanical seal shaft comprises a static seat (3) and a movable seat (4), wherein a static ring (5) is arranged on one side of the static seat (3), a movable ring (6) is arranged on one side of the movable seat (4) close to the static seat (3), annular grooves (7) are formed in one sides of the static seat (3) and the movable seat (4) close to the shaft sleeve (2), heat conduction cavities (8) are formed between the annular grooves (7) and the shaft sleeve (2), a plurality of heat conduction rings (9) are uniformly arranged in the heat conduction cavities (8) at intervals, through holes (10) are formed in the upper end and the lower end of each heat conduction ring (9), the inner sides of the heat conduction rings (9) are fixedly arranged on the shaft sleeve (2), the outer sides of the heat conduction rings (9) in the static seat (3) are fixedly arranged on the inner side wall of the static seat (3), the outer sides of the heat conduction rings (9) in the movable seat (4) are rotatably arranged on the inner side wall of the movable seat (4), two adjacent heat conduction rings (9) and the inside wall of quiet seat (3) and keep away from all fixedly being provided with seal partition (11) around between heat conduction ring (9) of moving seat (4) one end, one side of quiet seat (3) is provided with cooling channel (12), cooling channel (12) intercommunication quiet seat (3) inside heat conduction chamber (8), one side of quiet seat (3) is provided with circulation channel (13).
2. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: the static ring (5) is matched with the movable ring (6), and the sealing surface between the static ring (5) and the movable ring (6) is precisely combined.
3. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: and the outer sides of the static seat (3) and the movable seat (4) are both provided with an anti-corrosion layer (14).
4. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: and a sealing ring (15) is fixedly arranged on the surface of the annular groove (7) of the shaft sleeve (2) on one side of the static seat (3).
5. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: the outer side of the shaft sleeve (2) is positioned in the heat conducting cavity (8) and is provided with a plurality of heat conducting blocks (16) at uniform intervals.
6. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 5, characterized in that: the heat conducting block (16) is made of heat conducting carbon fibers, and the heat conducting block (16) is of a hemispherical structure.
7. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: sealing rubber is arranged on the outer side of the heat conducting ring (9) on the inner side of the movable seat (4), and the sealing rubber is in contact with the inner side wall of the movable seat (4).
8. The mechanical seal structure of the stirring shaft of the high-temperature-resistant reaction kettle according to claim 1, which is characterized in that: the one end of sealed baffle (11) is fixed to be set up on the lateral wall of axle sleeve (2), the other end of sealed baffle (11) and the inside wall contact setting of moving seat (4) and quiet seat (3), just sealed baffle (11) and the contact department of moving seat (4) and quiet seat (3) are provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609653.0U CN212004255U (en) | 2020-04-22 | 2020-04-22 | Mechanical seal structure of high-temperature-resistant reaction kettle stirring shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020609653.0U CN212004255U (en) | 2020-04-22 | 2020-04-22 | Mechanical seal structure of high-temperature-resistant reaction kettle stirring shaft |
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| Publication Number | Publication Date |
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| CN212004255U true CN212004255U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020609653.0U Active CN212004255U (en) | 2020-04-22 | 2020-04-22 | Mechanical seal structure of high-temperature-resistant reaction kettle stirring shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518027A (en) * | 2022-01-28 | 2022-05-20 | 靖江市峰力干燥成套设备有限公司 | Vacuum seal assembly structure of calcining kiln |
-
2020
- 2020-04-22 CN CN202020609653.0U patent/CN212004255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518027A (en) * | 2022-01-28 | 2022-05-20 | 靖江市峰力干燥成套设备有限公司 | Vacuum seal assembly structure of calcining kiln |
| CN114518027B (en) * | 2022-01-28 | 2022-12-20 | 靖江市峰力干燥成套设备有限公司 | Vacuum seal assembly structure of calcining kiln |
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