CN218293967U - Device for cooling water pump machine seal - Google Patents
Device for cooling water pump machine seal Download PDFInfo
- Publication number
- CN218293967U CN218293967U CN202221291687.5U CN202221291687U CN218293967U CN 218293967 U CN218293967 U CN 218293967U CN 202221291687 U CN202221291687 U CN 202221291687U CN 218293967 U CN218293967 U CN 218293967U
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- CN
- China
- Prior art keywords
- pump
- shell
- water
- ring
- sealing ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000498 cooling water Substances 0.000 title abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000002826 coolant Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000002528 anti-freeze Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000002609 medium Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 5
- 235000011130 ammonium sulphate Nutrition 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000006163 transport media Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a water pump cooling technology field especially relates to a be used for water pump machine to seal refrigerated device. The device comprises a static ring, a rotating ring, a sealing ring, a mechanical seal shell, a driving blade, a water tank and a radiator; the mechanical seal shell is fixedly connected to a pump shell of the water pump, a pump shaft of the water pump is positioned in the mechanical seal shell, and the end part of the pump shaft penetrates through the mechanical seal shell to be connected with the motor; the static ring is sleeved outside the pump shaft and fixedly connected to the pump shell; the rotating ring is sleeved on the pump shaft, the driving blade is sleeved on the rotating ring, and the driving blade, the rotating ring and the pump shaft synchronously rotate; the machine seals the shell and is equipped with the coolant outlet, and the coolant outlet links to each other with the water tank through first connecting pipe, and the machine seals the shell and is equipped with the coolant import, and the coolant import links to each other with the water tank through the second connecting pipe, and the water tank links to each other with the radiator. The energy is saved, the environment is protected, the consumption of the mechanical seal cooling water of the water pump is saved, and the environmental pollution caused by the leakage of the water pump for conveying pollutant media due to mechanical seal is prevented.
Description
Technical Field
The utility model relates to a water pump cooling technology field especially relates to a be used for water pump machine to seal refrigerated device.
Background
The water pump for conveying the heat medium is applied to the ammonium sulfate area of the coking branch plant of the iron and steel plant, the temperature of the medium is generally 120-150 ℃ because the high-temperature medium is conveyed by the hot water pump, and the heat is transferred to the pump system by the high-temperature medium in the pumping process, so that the overall temperature of the pump is increased, the working environment of each part of the pump is changed, certain influence is caused on the safe operation of the pump, and particularly, the reliable operation of a shaft seal and a bearing of the pump is greatly influenced.
Mechanical seals are usually adopted for shaft seals of the pump, and the working temperature of the conventional mechanical seals is generally required to be less than 110 ℃, so that for a hot water pump for conveying high-temperature media, the mechanical seals of the pump must be cooled in order to ensure the reliability of the pump.
However, in each of the existing mechanical seals, the purpose of flushing and cooling is achieved by using a medium flow to remove friction heat. The mechanical seal may leak fluid during operation of the device. In the production process of chemical enterprises, most of media conveyed by the water pump are toxic and harmful media and environment-polluting media, and the water pump generally supplies cooling water externally and has the following defects.
1) The external cooling water is connected with water supply and drainage pipelines and corresponding facilities.
2) The exposed medium is discharged with cooling water to pollute the environment and is difficult to monitor in real time.
3) The external cooling water is difficult to recover and water resource is wasted due to the medium leakage risk.
4) Once a large amount of internal leakage occurs, cooling water can enter a production process system, so that the stable operation of production is influenced, and even the safe production is endangered.
5) The water pump used outdoors in the north often freezes stifled, leads to equipment trouble.
Disclosure of Invention
In order to overcome the not enough of above-mentioned prior art, the utility model provides a be used for water pump machine to seal refrigerated device, energy saving, environmental protection save water pump mechanical seal cooling water consumption, prevent that the water pump of carrying the pollutant medium from causing environmental pollution because of the mechanical seal cluster leaks.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a device for cooling a water pump mechanical seal comprises a static ring, a rotating ring, a sealing ring, a mechanical seal shell, a driving blade, a water tank and a radiator; the mechanical seal shell is fixedly connected to a pump shell of the water pump, a pump shaft of the water pump is positioned in the mechanical seal shell, and the end part of the pump shaft penetrates through the mechanical seal shell to be connected with the motor; the static ring is sleeved outside the pump shaft and fixedly connected to the pump shell; the rotating ring is sleeved on the pump shaft, the driving blade is sleeved on the rotating ring, and the driving blade, the rotating ring and the pump shaft synchronously rotate; the machine seals the shell and is equipped with the coolant outlet, and the coolant outlet links to each other with the water tank through first connecting pipe, and the machine seals the shell and is equipped with the coolant import, and the coolant import links to each other with the water tank through the second connecting pipe, and the water tank links to each other with the radiator.
The sealing ring comprises a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a fifth sealing ring.
The first sealing ring is installed between the mechanical seal shell and the pump shell, the second sealing ring is installed between the stationary ring and the pump shell, the third sealing ring is installed between the rotating ring and the pump shaft, the fourth sealing ring is installed between the mechanical seal shell and the pump shaft, and the fifth sealing ring is installed between the stationary ring and the rotating ring.
The radiator is a natural ventilation type radiator or a fan type radiator.
The machine seal shell, the first connecting pipe, the water tank, the radiator and the second connecting pipe form a closed loop closed cycle, the whole path is filled with cooling liquid before operation, and if the outdoor temperature is lower than zero centigrade, antifreeze or glass water in winter is injected into the path.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The utility model discloses utilize the machine to seal the drive cooling water circulation that generates heat, realize that few partial water self-loopa cools off the machine seal, solve and be unsuitable to seal refrigerated problem with the pump machine of transport medium as coolant (supplying the cooling water alone). On the one hand, the cooling water consumption of the pump seal can be saved. On the other hand, the environmental protection problem of water pollution caused by the overproof of the cooling water of the outer discharge machine seal due to machine seal leakage can be completely avoided. The device does not need additional energy and power, saves water and energy, is efficient and environment-friendly, is easy to inspect and maintain, has a simple structure and has a greater popularization value.
The utility model discloses be equipped with driving vane, driving vane forms the flow of coolant in the pump power drive machine seal cavity body with the machine seal shell, can make the directional flow of coolant, flows into mechanical seal through water tank lower part water pipe.
The device is installed and used in the ammonium sulfate area of the coke-oven plant, and the annual saving of cooling water is 1.75 ten thousand meters 3 The water cost is saved by 3 ten thousand yuan. Production practices prove that the method can effectively prevent the ammonia nitrogen of the discharged water from exceeding the standard due to the leakage of the machine seal, eliminate the environmental protection risk of the machine seal cooling water part in the ammonium sulfate area and have great environmental protection benefits.
2) The sealing rings are arranged between all the parts of the utility model and are totally closed, so that no external cooling medium is needed, and the water resource, the related power and the construction of facilities can be saved to the utmost extent; even if a small amount of leakage exists in the machine seal cavity, or the pressure in the machine seal cavity and the whole circulating cooling system and the pressure in the water pump volute can reach balance, and a large amount of media cannot be leaked mutually.
3) The utility model discloses if outdoor temperature is less than zero degree centigrade, to pouring into antifreeze or glass water in winter in the route, avoid the outdoor water pump that uses in the north to take place to freeze stifled.
4) The utility model discloses the radiator is natural draft formula radiator or fan radiator, but natural draft or with the help of the heat dissipation of motor fan exhaust-heat.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional view of the structure of the present invention.
In the figure: 1-stationary ring 2-rotating ring 31-first sealing ring 32-second sealing ring 33-third sealing ring 34-fourth sealing ring 35-fifth sealing ring 4-mechanical seal shell 5-driving blade 6-water tank 7-radiator 8-pump shell 9-pump shaft 10-motor 11-first connecting pipe 12-second connecting pipe
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, the device for cooling the water pump machine seal comprises a stationary ring 1, a rotating ring 2, a sealing ring, a machine seal housing 4, a driving blade 5, a water tank 6 and a radiator 7.
The end face of the mechanical seal shell 4 is fixedly connected to the end face of a pump shell 8 of the water pump, a pump shaft 9 of the water pump is located in the mechanical seal shell 4, and the end part of the pump shaft 9 penetrates through the mechanical seal shell 4 to be connected with a motor 10.
The static ring 1 is sleeved outside the pump shaft 9 and is coaxial with the pump shaft 9, and the end face of the static ring 1 is fixedly connected to the end face of the pump shell 8. The rotating ring 2 is sleeved on the pump shaft 9 and is coaxial with the pump shaft 9, the driving blade 5 is sleeved on the rotating ring 2, and the driving blade 5, the rotating ring 2 and the pump shaft 9 synchronously rotate. The machine seal shell 4 is provided with a cooling medium outlet, the cooling medium outlet is connected with the upper part of the water tank 6 through a first connecting pipe 11, the machine seal shell 4 is provided with a cooling medium inlet, the cooling medium inlet is connected with the lower part of the water tank 6 through a second connecting pipe 12, and the water tank 6 is connected with the radiator 7.
The sealing rings include a first sealing ring 31, a second sealing ring 32, a third sealing ring 33, a fourth sealing ring 34 and a fifth sealing ring 35.
The first seal ring 31 is installed between the mechanical seal shell 4 and the pump shell 8, the second seal ring 32 is installed between the stationary ring 1 and the pump shell 8, the third seal ring 33 is installed between the rotating ring 2 and the pump shaft 9, the fourth seal ring 34 is installed between the mechanical seal shell 4 and the pump shaft 9, and the fifth seal ring 35 is installed between the stationary ring 1 and the rotating ring 2.
The radiator 7 is a natural ventilation type radiator or a fan type radiator.
The machine seal shell 4 → the first connecting pipe 11 → the upper part of the water tank → the radiator 7 → the lower part of the water tank → the second connecting pipe 12 → the machine seal shell 4, to form a closed loop circulation, the whole path is filled with cooling liquid before operation, and if the outdoor temperature is lower than zero centigrade, the path is filled with antifreeze or glass water in winter.
The sealing rings are arranged between all the parts of the utility model and are totally closed, so that no external cooling medium is needed, and the water resource, the related power and the construction of facilities can be saved to the utmost extent; even if a small amount of leakage exists in the machine seal cavity, or the pressure in the machine seal cavity and the whole circulating cooling system and the pressure in the water pump volute can reach balance, and a large amount of media cannot be leaked mutually. The utility model discloses if outdoor temperature is less than zero degree centigrade, to pouring into antifreeze or glass water in winter in the route, avoid the outdoor water pump that uses in the north to take place to freeze stifled. The utility model discloses radiator 7 is natural draft formula radiator or fan radiator, but natural draft or with the help of the heat dissipation of motor fan exhaust-heat.
The utility model discloses utilize the machine to seal the drive cooling water circulation that generates heat, realize that few partial water self-loopa cools off the machine seal, solve and be unsuitable to seal refrigerated problem with the pump machine of transport medium as coolant (supplying the cooling water alone). On the one hand, the cooling water consumption of the pump seal can be saved. On the other hand, the environmental protection problem of water pollution caused by the overproof of the cooling water of the outer discharge machine seal due to machine seal leakage can be completely avoided. The device does not need additional energy and power, saves water and energy, is efficient and environment-friendly, is easy to inspect and maintain, has a simple structure and has a greater popularization value. The utility model discloses be equipped with driving vane 5, driving vane 5 forms the flow of cooling medium in the pump force drive machine seal cavity body with machine seal shell 4, can make the directional flow of cooling medium, flows into mechanical seal through 6 lower part water pipes of water tank.
The device is installed and used in an ammonium sulfate area of a coking plant, the cooling water is saved by 1.75 ten thousand m < 3 > year by year, and the water consumption cost is saved by 3 ten thousand yuan. Production practices prove that the method can effectively prevent the ammonia nitrogen of the discharged water from exceeding the standard due to the leakage of the machine seal, eliminate the environmental protection risk of the machine seal cooling water part in the ammonium sulfate area and have great environmental protection benefits.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. A device for cooling a water pump mechanical seal comprises a stationary ring, a rotating ring, a sealing ring and a mechanical seal shell; the mechanical seal shell is fixedly connected to a pump shell of the water pump, a pump shaft of the water pump is positioned in the mechanical seal shell, and the end part of the pump shaft penetrates through the mechanical seal shell to be connected with the motor; the static ring is sleeved outside the pump shaft and fixedly connected to the pump shell; the rotating ring is sleeved on the pump shaft;
the method is characterized in that: the device comprises a driving blade, a water tank and a radiator; the driving blade is sleeved on the rotating ring, and the driving blade, the rotating ring and the pump shaft synchronously rotate;
the machine seal shell is provided with a cooling medium outlet, the cooling medium outlet is connected with the water tank through a first connecting pipe, the machine seal shell is provided with a cooling medium inlet, the cooling medium inlet is connected with the water tank through a second connecting pipe, and the water tank is connected with the radiator.
2. The device for cooling the water pump seal according to claim 1, wherein: the sealing ring comprises a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring and a fifth sealing ring.
3. The device for cooling the water pump seal according to claim 2, wherein: the first sealing ring is installed between the mechanical seal shell and the pump shell, the second sealing ring is installed between the stationary ring and the pump shell, the third sealing ring is installed between the rotating ring and the pump shaft, the fourth sealing ring is installed between the mechanical seal shell and the pump shaft, and the fifth sealing ring is installed between the stationary ring and the rotating ring.
4. The device for cooling the water pump seal according to claim 1, wherein: the radiator is a natural ventilation type radiator or a fan type radiator.
5. The device for cooling the water pump seal according to claim 1, wherein: the machine seal shell, the first connecting pipe, the water tank, the radiator and the second connecting pipe form a closed loop closed cycle, the whole path is filled with cooling liquid before operation, and if the outdoor temperature is lower than zero centigrade, antifreeze or glass water in winter is injected into the path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291687.5U CN218293967U (en) | 2022-05-27 | 2022-05-27 | Device for cooling water pump machine seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291687.5U CN218293967U (en) | 2022-05-27 | 2022-05-27 | Device for cooling water pump machine seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218293967U true CN218293967U (en) | 2023-01-13 |
Family
ID=84787072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221291687.5U Active CN218293967U (en) | 2022-05-27 | 2022-05-27 | Device for cooling water pump machine seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218293967U (en) |
-
2022
- 2022-05-27 CN CN202221291687.5U patent/CN218293967U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240403 Address after: Room 209, No. 56 Beifu Road, Beitai Town, Pingshan District, Benxi City, Liaoning Province, 117000 Patentee after: Benxi North Iron Industry Co.,Ltd. Country or region after: China Patentee after: BENXI BEIYING IRON & STEEL (GROUP) CO.,LTD. Address before: 117000 Beitai Town, Pingshan District, Benxi City, Liaoning Province Patentee before: BENXI BEIYING IRON & STEEL (GROUP) CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |