CN220185422U - Novel shaft seal structure of high-pressure slurry pump - Google Patents
Novel shaft seal structure of high-pressure slurry pump Download PDFInfo
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- CN220185422U CN220185422U CN202321356215.8U CN202321356215U CN220185422U CN 220185422 U CN220185422 U CN 220185422U CN 202321356215 U CN202321356215 U CN 202321356215U CN 220185422 U CN220185422 U CN 220185422U
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- 239000002002 slurry Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 246
- 238000012856 packing Methods 0.000 claims abstract description 74
- 210000004907 gland Anatomy 0.000 claims abstract description 37
- 239000000945 filler Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims description 44
- 239000013049 sediment Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a novel shaft seal structure of a high-pressure slurry pump, and belongs to the technical field of fluid conveying. The utility model provides a novel shaft seal structure of a high-pressure slurry pump, which comprises a shaft sleeve, a filler, a front-end water seal ring, a first water seal ring, a filler box, a filler gland and an external water source, wherein the filler box is sleeved on the outer side of the shaft sleeve, the filler box and the shaft sleeve are used for accommodating the filler and the first water seal ring, and the filler and the first water seal ring are arranged at intervals along the axial direction of the shaft sleeve; the front end water seal ring and the packing gland are used for sealing two ends of the packing box in the axial direction, a front end water inlet and a first water inlet are formed in the side wall of the packing box, the front end water inlet is communicated with the front end water seal ring, the first water inlet is communicated with the first water seal ring, a front end pipeline communicated with the front end water inlet and a first pipeline communicated with the first water inlet are arranged on an external water source, and a first pressure reducing valve is arranged on the first pipeline. The novel shaft seal structure of the high-pressure slurry pump reduces leakage and prolongs service life.
Description
Technical Field
The utility model belongs to the technical field of fluid conveying, and particularly relates to a novel shaft seal structure of a high-pressure slurry pump.
Background
The slurry pump belongs to a centrifugal pump in the working principle, is a machine for increasing the energy of solid-liquid mixed media by the action of centrifugal force (rotation of an impeller of the pump), converts electric energy into kinetic energy and potential energy of the media, and is widely applied to industries such as mines, electric power, metallurgy, coal, environmental protection, chemical industry, building materials, petroleum and the like and is used for conveying slurry containing abrasive solid particles. In the working process of the slurry pump, in order to avoid the outward leakage of high-pressure slurry containing solid particles in a pump body working cavity, a shaft seal device is arranged between the end part of a power input shaft of the slurry pump and a pump shell of the slurry pump. The packing seal is the most common sealing form, be provided with packing and water seal ring on the outer circumference of axle sleeve, be provided with the internal flow channel on the water seal ring, inject high-pressure cooling water into the internal flow channel of water seal ring, for reaching sealed purpose, the pressure of high-pressure cooling water needs to be greater than the pressure in the pump chamber of sediment stuff pump, when sediment stuff pump chamber pressure is higher, in order to prevent the external leakage of pump intracavity thick liquid, the pressure of external high-pressure cooling water risees simultaneously, generally use the multi-disc packing to guarantee that high-pressure cooling water does not leak outward, at this moment, need exert great pressure on packing gland for compress tightly between packing and the axle sleeve, lead to packing and the axle sleeve life-span to reduce because of close contact, sealing effect reduces, the shaft seal leakage increases, lead to being forced to stop the pump, influence work efficiency.
Disclosure of Invention
The utility model aims to provide a novel shaft seal structure of a high-pressure slurry pump, and aims to solve the problems that when the pressure of a pump cavity is high, the service life of a filler and a shaft sleeve is reduced due to close contact, so that the pump is forced to stop, and the working efficiency is influenced.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the novel shaft seal structure of the high-pressure slurry pump comprises a shaft sleeve, a filler, a front-end water seal ring, a first water seal ring, a filler box, a filler gland and an external water source, wherein the filler box is sleeved on the outer side of the shaft sleeve, an accommodating space for accommodating the filler and the first water seal ring is formed between the filler box and the shaft sleeve, and the filler and the first water seal ring are arranged at intervals along the axial direction of the shaft sleeve; the front end water seal ring with the gland is used for sealing the axial both ends of packing box, the front end water seal ring is located the axle sleeve is close to the one end of sediment stuff pump chamber, the gland is located the axle sleeve is kept away from the one end of sediment stuff pump chamber the lateral wall of packing box is provided with front end water inlet and first water inlet, front end water inlet intercommunication the internal flow passageway of front end water seal ring, first water inlet intercommunication the internal flow passageway of first water seal ring, external water source provides high pressure cooling water, be provided with front end pipeline and first pipeline on the external water source, front end pipeline intercommunication front end water inlet, first pipeline to the intercommunication first water inlet, be provided with first relief pressure valve on the first pipeline for reduce the water pressure of first pipeline inflow first water inlet.
In one possible implementation manner, a second water seal ring is arranged between the packing gland and the first water seal ring, a second water inlet communicated with an inner flow channel of the second water seal ring is arranged on the packing box, a second pipeline is arranged on the external water source, and the second pipeline is communicated with the second water inlet.
In one possible implementation manner, a second pressure reducing valve is arranged on the second pipeline and is used for reducing the water pressure of the second pipeline flowing into the second water inlet.
In one possible implementation, the pressure value of the high-pressure cooling water flowing into the front-end water seal ring by the front-end pipeline is larger than the pressure value of the pump cavity leaking into the front-end water seal ring.
In one possible implementation, the pressure value of the high-pressure cooling water flowing into the first water seal ring by the first pipeline is the pressure value of the high-pressure cooling water flowing into the front-end water seal ring by the front-end pipeline
In one possible implementation, the pressure value of the high-pressure cooling water flowing into the second water seal ring by the second pipeline is smaller than the pressure value of the high-pressure cooling water flowing into the first water seal ring by the first pipeline.
In one possible implementation, the pressure value of the high-pressure cooling water flowing into the second water seal ring by the second pipeline is the pressure value of the high-pressure cooling water flowing into the first water seal ring by the first pipeline
In one possible implementation, the filler is provided on both sides of the second water seal ring.
In one possible implementation manner, an assembly ring is arranged on one side, close to the pump cavity, of the front-end water seal ring, the diameter of the assembly ring is smaller than that of the front-end water seal ring, and the end part of the stuffing box is sleeved and clamped on the circumference of the assembly ring.
In one possible implementation, a fixing bolt is provided between the gland and the stuffing box.
The novel shaft seal structure of the high-pressure slurry pump has the beneficial effects that:
compared with the prior art, be provided with the axle sleeve, the packing, the front end water seal ring, first water seal ring, the packing box and external water source, the packing, front end water seal ring and first water seal ring all overlap and establish on the axle sleeve, the front end water seal ring, the packing, first water seal ring, the packing is established in the cover in order, and the front end water seal ring sets up in the one side that is close to the pump chamber, the packing box cover is established on the outer circumference of packing, front end water seal ring and first water seal ring, the packing gland is held up and is kept away from one side of pump chamber by the packing, and the packing gland is close to the space between packing box and the axle sleeve in one end of pump chamber, hoisting device's sealed effect, the lateral wall of packing box is provided with the front end water inlet of intercommunication front end water seal ring inflow passageway and the first water inlet of first water seal ring inflow passageway, external water source provides high pressure cooling water, pour into high pressure cooling water into through the front end pipeline in the inner to the front end water seal intra-annular passageway, pour into high pressure cooling water into through first pipeline in the first pipeline, be provided with the first water seal valve that is used for reducing water pressure on the first pipeline, namely, the water seal ring pressure leakage of the water seal device is reduced, the required pressure is reduced, the life of water seal device is reduced, and the water seal pressure is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an internal structure of a novel shaft seal structure of a high-pressure slurry pump according to an embodiment of the present utility model.
In the figure: 1. a shaft sleeve; 2. an impeller; 3. a front end water seal ring; 4. a first water seal ring; 5. the second water seal ring; 6. a filler; 7. a stuffing box; 8. a front water inlet; 9. a first water inlet; 10. a second water inlet; 11. a packing gland; 12. a mounting ring; 13. a fixing bolt; 14. externally connected with a water source; 15. a front end pipeline; 16. a first pipeline; 17. a second pipeline; 18. a first pressure reducing valve; 19. and a second pressure reducing valve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, a specific embodiment of a novel shaft seal structure of a high-pressure slurry pump provided by the utility model is now described, which comprises a shaft sleeve 1, a filler 6, a front-end water seal ring 3, a first water seal ring 4, a filler box 7, a filler gland 11 and an external water source 14, wherein the filler box 7 is sleeved outside the shaft sleeve 1, an accommodating space for accommodating the filler 6 and the first water seal ring 4 is formed between the filler box 7 and the shaft sleeve 1, and the filler 6 and the first water seal ring 4 are arranged at intervals along the axial direction of the shaft sleeve 1; the front end water seal ring 3 and the packing gland 11 are used for sealing two axial ends of the packing box 7, the front end water seal ring 3 is located at one end of the shaft sleeve, which is close to the slurry pump cavity, the packing gland 11 is located at one end of the shaft sleeve, which is far away from the slurry pump cavity, the side wall of the packing box 7 is provided with a front end water inlet 8 and a first water inlet 9, the front end water inlet 8 is communicated with an inner flow channel of the front end water seal ring 3, the first water inlet 9 is communicated with an inner flow channel of the first water seal ring 4, the external water source 14 is used for providing high-pressure cooling water, a front end pipeline 15 and a first pipeline 16 are arranged on the external water source 14, the front end pipeline 15 is communicated with the front end water inlet 8, the first pipeline 16 is communicated with the first water inlet 9, and a first pressure reducing valve 18 is arranged on the first pipeline 16 and is used for reducing water pressure of the first pipeline 16 flowing into the first water inlet 9.
Compared with the prior art, the novel shaft seal structure of the high-pressure slurry pump is provided with a shaft sleeve 1, a packing 6, a front-end water seal ring 3, a first water seal ring 4, a packing box 7 and an external water source 14, wherein the packing 6, the front-end water seal ring 3 and the first water seal ring 4 are sleeved on the shaft sleeve 1, the front-end water seal ring 3, the packing 6, the first water seal ring 4 and the packing 6 are sequentially sleeved on the shaft sleeve 1, the front-end water seal ring 3 is arranged on one side close to a pump cavity, the packing box 7 is sleeved on the outer circumferences of the packing 6, the front-end water seal ring 3 and the first water seal ring 4, a packing gland 11 is propped against one side, far away from the pump cavity, of the packing 6, one end, close to the pump cavity, of the packing gland 11 is inserted into a gap between the packing box 7 and the shaft sleeve 1, the sealing effect of the device is improved, the side wall of the stuffing box 7 is provided with a front water inlet 8 communicated with the front water inlet 8 of the inner flow channel of the front water seal ring 3 and a first water inlet 9 communicated with the inner flow channel of the first water seal ring 4, a water source 14 is externally connected to provide high-pressure cooling water, the high-pressure cooling water is injected into the inner flow channel of the front water seal ring 3 through a front pipeline 15, the high-pressure cooling water is injected into the inner flow channel of the first water seal ring 4 through a first pipeline 16, a first pressure reducing valve 18 for reducing the water pressure is arranged on the first pipeline 16, namely, the water pressure in the first water seal ring 4 is smaller than the water pressure of the front water seal ring 3, the water pressure at a shaft seal part is reduced, so that the pressure required by the packing gland 11 is reduced, the leakage is reduced, and the service life of the device is prolonged.
Specifically, please refer to fig. 1, which comprises a shaft sleeve 1, an impeller 2, a packing 6, a front end water seal ring 3, a first water seal ring 4, a packing box 7, a packing gland 11 and an external water source 14, wherein the impeller 2, the packing 6, the front end water seal ring 3, the first water seal ring 4 and the packing gland 11 are all sleeved on the shaft sleeve 1, the impeller 2 is positioned in a pump cavity, the front end water seal ring 3 is arranged at one side of the impeller 2 away from the pump cavity and used for carrying out shaft seal, the first water seal ring 4 is arranged at one side of the front end water seal ring 3 away from the pump cavity, the packing gland 11 is arranged at one side of the first water seal ring 4 away from the pump cavity, the packing 6 is arranged between the front end water seal ring 3 and the first water seal ring 4, two groups of packing 6 can be arranged side by side, the packing gland 11 is arranged between the first water seal ring 4 and the packing gland 11, the packing 6 can be arranged in two groups side by side, the packing gland 11 is propped against the outer side wall of the packing 6, the stuffing box 7 is sleeved on the outer circumferences of the stuffing 6, the front water seal ring 3 and the first water seal ring 4 and is sleeved outside the end part of the stuffing gland 11, the outer diameters of the end parts of the stuffing 6, the front water seal ring 3 and the first water seal ring 4 stuffing gland 11 are matched with the inner diameter of the stuffing box 7, the side wall of the stuffing box 7 is provided with a front water inlet 8 and a first water inlet 9, the front water inlet 8 is correspondingly arranged with an inner flow channel of the front water seal ring 3, the first water inlet 9 is correspondingly arranged with an inner flow channel of the first water seal ring 4, an external water source 14 supplies high-pressure cooling water to the front water seal ring 3 and the first water seal ring 4, the external water source 14 is communicated with the front water inlet 8 through a front pipeline 15 and is communicated with the first water inlet 9 through a first pipeline 16, a first pressure reducing valve 18 for reducing the water pressure is arranged on the first pipeline 16, namely the water pressure in the first water seal ring 4 is smaller than the water pressure of the front water seal ring 3, the water pressure at the shaft seal is reduced, thereby reducing the pressure required on the packing gland 11, reducing the leakage and improving the life of the device.
As a specific implementation manner of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, a second water seal ring 5 is arranged between a packing gland 11 and a first water seal ring 4, a second water inlet 10 communicated with an inner flow channel of the second water seal ring 5 is arranged on a packing box 7, a second pipeline 17 is arranged on an external water source 14, and the second pipeline 17 is communicated with the second water inlet 10.
Specifically, referring to fig. 1, a second water seal ring 5 is further disposed between the packing cover 11 and the first water seal ring 4, a second water inlet 10 is disposed on the corresponding packing box 7, and is disposed in communication with the inner flow channel of the second water seal ring 5, and a second pipeline 17 communicating with the second water inlet 10 is disposed on the external water source 14.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, a second pressure reducing valve 19 is disposed on the second pipeline 17 for reducing the water pressure flowing into the second water inlet 10 from the second pipeline 17.
Specifically, referring to fig. 1, a second pressure reducing valve 19 for reducing the water pressure is disposed on the second pipeline 17, the water pressure at the outlet of the second pipeline 17 is smaller than the water pressure at the outlet of the front pipeline 15, and the water pressure at the shaft seal is reduced, so that the pressure required on the packing gland 11 is reduced, the leakage is reduced, and the service life of the device is prolonged.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, the pressure value of the high-pressure cooling water flowing into the front-end water seal ring 3 by the front-end pipeline 15 is greater than the pressure value of the pump cavity leaking into the front-end water seal ring 3.
Specifically, referring to fig. 1, the pressure value of the pump chamber leaking into the front end water seal ring 3 is defined as P1, the pressure value of the high pressure cooling water flowing into the front end water seal ring 3 is defined as P2, the pressure value of the high pressure cooling water flowing into the first water seal ring 4 is defined as P3, the pressure value of the high pressure cooling water flowing into the second water seal ring 5 is defined as P4, that is, the value of P2 is larger than P1, and the shaft seal effect is enhanced.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, the pressure value of the high-pressure cooling water flowing into the first water seal ring 4 by the first pipeline 16 is the pressure value of the high-pressure cooling water flowing into the front water seal ring 3 by the front pipeline 15.
Specifically, referring to fig. 1, the pressure value P3 of the high-pressure cooling water injected into the first water seal ring 4 is the pressure value P2 of the high-pressure cooling water injected into the front water seal ring 3, so as to reduce the water pressure at the shaft seal, thereby reducing the pressure required on the packing gland 11, reducing the leakage amount, and improving the service life of the device.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, the pressure value of the high-pressure cooling water flowing into the second water seal ring 5 by the second pipeline 17 is smaller than the pressure value of the high-pressure cooling water flowing into the first water seal ring 4 by the first pipeline 16.
Specifically, referring to fig. 1, the pressure value P4 of the high-pressure cooling water injected into the second water seal ring 5 is smaller than the pressure value P3 of the high-pressure cooling water injected into the first water seal ring 4, so that the pressure at the shaft seal is gradually reduced, and the shaft seal effect is enhanced.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, the pressure value of the high-pressure cooling water flowing into the second water seal ring 5 by the second pipeline 17 is the pressure value of the high-pressure cooling water flowing into the first water seal ring 4 by the first pipeline 16.
Specifically, referring to fig. 1, the pressure value P4 of the high-pressure cooling water injected into the second water seal ring 5 is the pressure value P3 of the high-pressure cooling water injected into the first water seal ring 4, so as to reduce the water pressure at the shaft seal, thereby reducing the pressure required on the packing gland 11, reducing the leakage amount, and improving the service life of the device.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, both sides of the second water seal ring 5 are provided with the filler 6.
Specifically, referring to fig. 1, the packing 6 is respectively disposed on two sides of the second water seal ring 5, and two sets of packing 6 are disposed on a single side of the second water seal ring 5, so as to enhance the shaft seal effect.
As a specific implementation mode of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, an assembly ring 12 is arranged on one side of the front end water seal ring 3, which is close to the pump cavity, the diameter of the assembly ring 12 is smaller than that of the front end water seal ring 3, and the end part of the stuffing box 7 is sleeved and clamped on the circumference of the assembly ring 12.
Specifically, referring to fig. 1, an assembly ring 12 is disposed on one side of the front end water seal ring 3, the assembly ring 12 is disposed near the pump cavity, the outer diameter of the front end water seal ring 3 is larger than that of the assembly ring 12, that is, a step groove is formed between the front end water seal ring 3 and the assembly ring 12, the inner side wall of the end portion of the stuffing box 7 is matched with the step groove, and is clamped on the outer side of the assembly ring 12, so that the shaft seal effect is enhanced.
As a specific embodiment of the novel shaft seal structure of the high-pressure slurry pump provided by the utility model, referring to fig. 1, a fixing bolt 13 is arranged between a packing gland 11 and a packing box 7.
Specifically, referring to fig. 1, a fixing bolt 13 is used to fix the packing gland 11 on the stuffing box 7, thereby increasing the stability of the apparatus.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The novel shaft seal structure of the high-pressure slurry pump is characterized by comprising a shaft sleeve, a filler, a front-end water seal ring, a first water seal ring, a filler box, a filler gland and an external water source, wherein the filler box is sleeved on the outer side of the shaft sleeve, an accommodating space for accommodating the filler and the first water seal ring is formed between the filler box and the shaft sleeve, and the filler and the first water seal ring are arranged at intervals along the axial direction of the shaft sleeve; the front end water seal ring with the gland is used for sealing the axial both ends of packing box, the front end water seal ring is located the axle sleeve is close to the one end of sediment stuff pump chamber, the gland is located the axle sleeve is kept away from the one end of sediment stuff pump chamber the lateral wall of packing box is provided with front end water inlet and first water inlet, front end water inlet intercommunication the internal flow passageway of front end water seal ring, first water inlet intercommunication the internal flow passageway of first water seal ring, external water source provides high pressure cooling water, be provided with front end pipeline and first pipeline on the external water source, front end pipeline intercommunication front end water inlet, first pipeline to the intercommunication first water inlet, be provided with first relief pressure valve on the first pipeline for reduce the water pressure of first pipeline inflow first water inlet.
2. The novel shaft seal structure of the high-pressure slurry pump according to claim 1, wherein a second water seal ring is arranged between the packing gland and the first water seal ring, a second water inlet communicated with an inner flow channel of the second water seal ring is arranged on the packing box, a second pipeline is arranged on the external water source, and the second pipeline is communicated with the second water inlet.
3. The novel shaft seal structure of a high-pressure slurry pump according to claim 2, wherein a second pressure reducing valve is arranged on the second pipeline for reducing the water pressure of the second pipeline flowing into the second water inlet.
4. The novel shaft seal structure of a high-pressure slurry pump according to claim 3, wherein the pressure value of the high-pressure cooling water flowing into the front-end water seal ring through the front-end pipeline is larger than the pressure value of the pump cavity leaking into the front-end water seal ring.
5. The novel shaft seal structure of high-pressure slurry pump according to claim 4, wherein the pressure value of the high-pressure cooling water flowing into the first water seal ring through the first pipeline is the pressure value of the high-pressure cooling water flowing into the front water seal ring through the front pipeline
6. The novel shaft seal structure of a high-pressure slurry pump according to claim 5, wherein the pressure value of the high-pressure cooling water flowing into the second water seal ring through the second pipeline is smaller than the pressure value of the high-pressure cooling water flowing into the first water seal ring through the first pipeline.
7. The novel shaft seal structure of high-pressure slurry pump according to claim 6, wherein the pressure value of the high-pressure cooling water flowing into the second water seal ring through the second pipeline is the pressure value of the high-pressure cooling water flowing into the first water seal ring through the first pipeline
8. The novel shaft seal structure of a high-pressure slurry pump according to claim 2, wherein the fillers are arranged on both sides of the second water seal ring.
9. The novel shaft seal structure of the high-pressure slurry pump according to claim 1, wherein an assembly ring is arranged on one side of the front-end water seal ring, which is close to the pump cavity, the diameter of the assembly ring is smaller than that of the front-end water seal ring, and the end part of the stuffing box is sleeved and clamped on the circumference of the assembly ring.
10. The novel shaft seal structure of the high-pressure slurry pump according to claim 1, wherein a fixing bolt is arranged between the packing gland and the packing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356215.8U CN220185422U (en) | 2023-05-31 | 2023-05-31 | Novel shaft seal structure of high-pressure slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321356215.8U CN220185422U (en) | 2023-05-31 | 2023-05-31 | Novel shaft seal structure of high-pressure slurry pump |
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| Publication Number | Publication Date |
|---|---|
| CN220185422U true CN220185422U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321356215.8U Active CN220185422U (en) | 2023-05-31 | 2023-05-31 | Novel shaft seal structure of high-pressure slurry pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN220185422U (en) |
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2023
- 2023-05-31 CN CN202321356215.8U patent/CN220185422U/en active Active
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