CN216768350U - High-temperature high-pressure forced self-circulation mechanical seal - Google Patents
High-temperature high-pressure forced self-circulation mechanical seal Download PDFInfo
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- CN216768350U CN216768350U CN202220057471.6U CN202220057471U CN216768350U CN 216768350 U CN216768350 U CN 216768350U CN 202220057471 U CN202220057471 U CN 202220057471U CN 216768350 U CN216768350 U CN 216768350U
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- ring
- ring seat
- seat
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- movable ring
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- 230000003068 static effect Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 21
- 238000005086 pumping Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a high-temperature high-pressure forced self-circulation mechanical seal, which comprises a shaft sleeve, a first static ring seat and a second static ring seat, wherein the shaft sleeve is fixedly connected with the first static ring seat; the right end of the shaft sleeve is fixed on the main shaft through a shaft clamping device, the middle of the shaft sleeve is fixedly provided with a first movable ring seat through a clamping ring and a screw, and the left end of the shaft sleeve is integrally formed with a second movable ring seat; a second movable ring is mounted at the right end of the second movable ring seat, a fixing pin is arranged between the second movable ring seat and the second movable ring to prevent the second movable ring from rotating, a first spring is arranged between the second movable ring seat and the second movable ring, a first movable ring is mounted at the right end of the first movable ring seat, and a fixing pin is arranged between the first movable rings mounted at the right end of the first movable ring seat to prevent the first movable ring from rotating; the cooling water circulation speed of the utility model is fast, the cooling effect to the pump is good, a special circulation system is not needed to be arranged separately, the structure is simple, the cost is low, and the energy is saved.
Description
Technical Field
The utility model relates to a mechanical seal, in particular to a high-temperature high-pressure forced self-circulation mechanical seal.
Background
The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, and compressors. Since the drive shaft extends through the apparatus, so that there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks outwards, and if the pressure in the apparatus is below atmospheric pressure, air leaks into the apparatus, a leak-proof shaft seal arrangement is necessary. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world; in a vertical mixer with high temperature and high pressure, the mechanical seal is affected by the high temperature and high pressure, and the internal parts of the mechanical seal are deformed and displaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature high-pressure forced self-circulation mechanical seal to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the high-temperature high-pressure forced self-circulation mechanical seal comprises a shaft sleeve, a first static ring seat and a second static ring seat; the right end of the shaft sleeve is fixed on the main shaft through a shaft clamping device, the middle of the shaft sleeve is fixedly provided with a first movable ring seat through a clamping ring and a screw, and the left end of the shaft sleeve is integrally formed with a second movable ring seat; a second movable ring is mounted at the right end of the second movable ring seat, a fixing pin is arranged between the second movable ring seat and the second movable ring to prevent the second movable ring from rotating, a first spring is arranged between the second movable ring seat and the second movable ring, a first movable ring is mounted at the right end of the first movable ring seat, and a fixing pin is arranged between the first movable rings mounted at the right end of the first movable ring seat to prevent the first movable ring from rotating; a conical spiral pumping ring is fixedly mounted at the left end of the first movable ring seat, a first stationary ring is arranged on the right side of the inner wall of the first stationary ring seat, a spring seat is arranged at the right end of the first stationary ring, a second spring is arranged between the spring seat and the first stationary ring seat, and the left end surface of the first stationary ring is abutted against the right end surface of the first movable ring; a second stationary ring seat is arranged on the left side of the first stationary ring seat, and a second stationary ring is arranged on the left side of the second stationary ring seat; the top of first quiet ring seat is equipped with the water inlet, and the bottom of first quiet ring seat is equipped with the delivery port, and the inner wall of first quiet ring seat is equipped with the water conservancy diversion cover, and the water conservancy diversion cover is located toper spiral pump sending ring left side, and the water inlet sets up with the right side space intercommunication of water conservancy diversion cover, and the delivery port sets up with the left side space intercommunication of water conservancy diversion cover.
Furthermore, a first sealing ring is arranged between the shaft sleeve and the main shaft.
Furthermore, a second sealing ring is arranged between the second movable ring seat and the second movable ring
Furthermore, a third sealing ring is arranged between the first movable rings and installed at the right end of the first movable ring seat.
Furthermore, a fourth sealing ring is arranged between the shaft sleeve and the conical spiral pumping ring.
Furthermore, a fifth sealing ring is arranged between the first stationary ring seat and the first stationary ring.
Furthermore, a sixth sealing ring is arranged between the first static ring seat and the second static ring seat, and a seventh sealing ring is arranged between the second static ring seat and the second static ring.
Compared with the prior art, the utility model has the beneficial effects that: in the using process of the utility model, external cooling water enters the mechanical seal through the water inlet to cool the two groups of moving and static rings of the mechanical seal, and then returns through the water return outlet; the water flow is pumped by a conical spiral pumping ring at the mechanical seal, and the conical spiral pumping ring is driven by a main shaft; completing the working mode of forced self-circulation; the cooling water circulation speed is fast, the cooling effect to the pump is good, a special circulation system does not need to be arranged independently, the structure is simple, the cost is low, and the energy is saved.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature high-pressure forced self-circulation mechanical seal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the high-temperature high-pressure forced self-circulation mechanical seal includes a shaft sleeve 1 and a first stationary ring seat 14; the right end of the shaft sleeve 1 is fixed on a main shaft 3 through a shaft embracing device 2, the middle part of the shaft sleeve 1 is fixedly provided with a first movable ring seat 6 through a clamping ring 5 and a screw, and the left end of the shaft sleeve 1 is integrally formed with a second movable ring seat 7;
a second movable ring 8 is installed at the right end of the second movable ring seat 7, a fixing pin is arranged between the second movable ring seat 7 and the second movable ring 8 to prevent the second movable ring 8 from rotating, a first spring 9 is arranged between the second movable ring seat 7 and the second movable ring 8, a first movable ring 11 is installed at the right end of the first movable ring seat 6, and a fixing pin is arranged between the first movable rings 11 installed at the right end of the first movable ring seat 6 to prevent the first movable rings 11 from rotating; a conical spiral pumping ring 13 is fixedly arranged at the left end of the first movable ring seat 6,
a first stationary ring 15 is arranged on the right side of the inner wall of the first stationary ring seat 14, a spring seat 17 is arranged at the right end of the first stationary ring 15, a second spring 18 is arranged between the spring seat 17 and the first stationary ring seat 14, and the left end face of the first stationary ring 15 is abutted against the right end face of the first movable ring 11; a second stationary ring seat 19 is arranged on the left side of the first stationary ring seat 14, and a second stationary ring 21 is arranged on the left side of the second stationary ring seat 19;
a water inlet 23 is formed in the top of the first stationary ring seat 14, a water outlet 24 is formed in the bottom of the first stationary ring seat 14, a flow guide sleeve 25 is arranged on the inner wall of the first stationary ring seat 14, the flow guide sleeve 25 is located on the left side of the conical spiral pumping ring 13, the water inlet 23 is communicated with the right space of the flow guide sleeve 25, and the water outlet 24 is communicated with the left space of the flow guide sleeve 25;
further, a first sealing ring 4 is arranged between the shaft sleeve 1 and the main shaft 4;
further, a second seal ring 10 is arranged between the second movable ring seat 7 and the second movable ring 8;
further, a third sealing ring 12 is arranged between the first movable rings 11 arranged at the right end of the first movable ring seat 6;
further, a fourth sealing ring 14 is arranged between the shaft sleeve 1 and the conical spiral pumping ring 13;
further, a fifth sealing ring 16 is arranged between the first stationary ring seat 14 and the first stationary ring 15;
further, a sixth sealing ring 20 is arranged between the first stationary ring seat 14 and the second stationary ring seat 20, and a seventh sealing ring 22 is arranged between the second stationary ring seat 19 and the second stationary ring 21;
in the using process of the utility model, external cooling water enters the mechanical seal through the water inlet 23, cools two groups of moving and static rings of the mechanical seal, and then returns through the water return outlet 24; the water flow is pumped by a conical spiral pumping ring at the mechanical seal, and the conical spiral pumping ring is driven by a main shaft; completing the working mode of forced self-circulation; the cooling water circulation speed is high, the cooling effect on the pump is good, a special circulation system does not need to be arranged independently, the structure is simple, the cost is low, and the energy is saved.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Claims (7)
1. The high-temperature high-pressure forced self-circulation mechanical seal comprises a shaft sleeve, a first static ring seat and a second static ring seat; the spindle is characterized in that the right end of the spindle sleeve is fixed on the spindle through a spindle holder, the middle of the spindle sleeve is fixedly provided with a first movable ring seat through a clamping ring and a screw, and the left end of the spindle sleeve is integrally formed with a second movable ring seat; a second movable ring is mounted at the right end of the second movable ring seat, a fixing pin is arranged between the second movable ring seat and the second movable ring to prevent the second movable ring from rotating, a first spring is arranged between the second movable ring seat and the second movable ring, a first movable ring is mounted at the right end of the first movable ring seat, and a fixing pin is arranged between the first movable rings mounted at the right end of the first movable ring seat to prevent the first movable ring from rotating; a conical spiral pumping ring is fixedly mounted at the left end of the first movable ring seat, a first stationary ring is arranged on the right side of the inner wall of the first stationary ring seat, a spring seat is arranged at the right end of the first stationary ring, a second spring is arranged between the spring seat and the first stationary ring seat, and the left end surface of the first stationary ring is abutted against the right end surface of the first movable ring; a second stationary ring seat is arranged on the left side of the first stationary ring seat, and a second stationary ring is arranged on the left side of the second stationary ring seat; the top of first quiet ring seat is equipped with the water inlet, and the bottom of first quiet ring seat is equipped with the delivery port, and the inner wall of first quiet ring seat is equipped with the water conservancy diversion cover, and the water conservancy diversion cover is located toper spiral pump sending ring left side, and the water inlet sets up with the right side space intercommunication of water conservancy diversion cover, and the delivery port sets up with the left side space intercommunication of water conservancy diversion cover.
2. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a first sealing ring is arranged between the shaft sleeve and the main shaft.
3. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a second sealing ring is arranged between the second movable ring seat and the second movable ring.
4. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a third sealing ring is arranged between the first movable rings and mounted at the right end of the first movable ring seat.
5. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a fourth sealing ring is arranged between the shaft sleeve and the conical spiral pumping ring.
6. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a fifth sealing ring is arranged between the first stationary ring seat and the first stationary ring.
7. The high-temperature high-pressure forced self-circulation mechanical seal according to claim 1, wherein a sixth sealing ring is arranged between the first stationary ring seat and the second stationary ring seat, and a seventh sealing ring is arranged between the second stationary ring seat and the second stationary ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057471.6U CN216768350U (en) | 2022-01-11 | 2022-01-11 | High-temperature high-pressure forced self-circulation mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057471.6U CN216768350U (en) | 2022-01-11 | 2022-01-11 | High-temperature high-pressure forced self-circulation mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768350U true CN216768350U (en) | 2022-06-17 |
Family
ID=81976534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220057471.6U Active CN216768350U (en) | 2022-01-11 | 2022-01-11 | High-temperature high-pressure forced self-circulation mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768350U (en) |
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2022
- 2022-01-11 CN CN202220057471.6U patent/CN216768350U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High temperature and high pressure forced self circulation mechanical seal Granted publication date: 20220617 Pledgee: Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. ganyao sub branch Pledgor: Zhejiang Cardiff Intelligent Technology Co.,Ltd. Registration number: Y2024980014673 |