CN114033752A - Shaft seal cooling device of vertical water pump - Google Patents
Shaft seal cooling device of vertical water pump Download PDFInfo
- Publication number
- CN114033752A CN114033752A CN202111439636.2A CN202111439636A CN114033752A CN 114033752 A CN114033752 A CN 114033752A CN 202111439636 A CN202111439636 A CN 202111439636A CN 114033752 A CN114033752 A CN 114033752A
- Authority
- CN
- China
- Prior art keywords
- shaft seal
- cooling liquid
- pipeline
- raw water
- communicated
- Prior art date
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 239000000110 cooling liquid Substances 0.000 claims abstract description 48
- 239000002826 coolant Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 11
- 239000013618 particulate matter Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 4
- 238000003809 water extraction Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides a shaft seal cooling device of a vertical water pump, which comprises a shaft seal and a cooling liquid pipeline, wherein the shaft seal is provided with a cooling liquid flow channel, cooling liquid flows into the cooling liquid flow channel to cool the shaft seal, the cooling liquid pipeline is communicated with the cooling liquid flow channel, the cooling liquid pipeline comprises a raw water leading-out head, a cooling liquid injection head and a connecting pipeline, the raw water leading-out head is arranged on a pump shell of the vertical water pump and is communicated with an inner cavity of the pump shell, the cooling liquid injection head is arranged at the shaft seal of the vertical water pump and is communicated with the cooling liquid flow channel of the shaft seal, two ends of the connecting pipeline are respectively communicated with the raw water leading-out head and the cooling liquid injection head, the raw water leading-out head is arranged on the pump shell to lead out raw water in the pump shell as cooling liquid for cooling the shaft seal, the connecting pipeline leads the raw water to the cooling liquid injection head so that the raw water enters the cooling liquid flow channel of the raw water, a Y-type filter is arranged on the connecting pipeline to filter and can filter the shaft seal, get rid of the particulate matter in the former aquatic, avoid blockking up pipeline and coolant liquid runner, conveniently carry out routine maintenance.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a shaft seal cooling device of a vertical water pump.
Background
The water pump is widely applied to crushing and conveying of sewage, sewage and the like, and a vertical installation form is often adopted due to the requirements of equipment installation, operation working conditions and the like. The water pump needs to be pre-filled with water before running, at the moment, the shaft seal cavity is positioned at the highest position in the pump body, and the gas in the shaft seal cavity is difficult to be completely discharged. When the water pump is started to normally operate, the contact surface of the dynamic ring and the static ring of the shaft seal rubs, the temperature rises rapidly, and the sealing surface is damaged, so that the sealing performance of the shaft seal is influenced, and water leakage is caused. Therefore, a cooling device is required to introduce the cooling fluid to induce frictional heat of the shaft seal.
When the medium sent by the vertical water pump is raw water, the conveyed raw water can be used as cooling liquid, and the raw water is led to the shaft seal position through a pipeline communicated with the pump shell without additionally preparing the cooling liquid. However, although the raw water has extremely low corrosiveness to mechanical parts of the water pump, the raw water contains some granular impurities and the container generates scale, so that the cooling pipeline is blocked, mechanical failure is caused, and the conveying of the raw water is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a shaft seal cooling device of vertical water pump, can reduce the pipeline and block up, improve the cooling effect and make things convenient for routine maintenance.
In order to solve the technical problems, the invention adopts the technical scheme that:
a shaft seal cooling device of a vertical water pump comprises a shaft seal and a cooling liquid pipeline, wherein a cooling liquid flow channel is arranged in the shaft seal, cooling liquid flows into the cooling liquid flow channel to cool the shaft seal, the cooling liquid pipeline is communicated with the cooling liquid flow channel, the cooling liquid pipeline comprises a raw water leading-out head, a cooling liquid injection head and a connecting pipeline, the raw water leading-out head is arranged on a pump shell of the vertical water pump and communicated with an inner cavity of the pump shell, the cooling liquid injection head is arranged at the shaft seal of the vertical water pump and communicated with the cooling liquid flow channel of the shaft seal, two ends of the connecting pipeline are respectively communicated with the raw water leading-out head and the cooling liquid injection head, and a Y-type filter and a first ball valve are connected to the connecting pipeline;
and the raw water leading-out head is used for flowing raw water when the vertical water pump works and enabling the raw water to sequentially pass through the first ball valve and the Y-shaped filter and then enter a cooling liquid flow channel of the shaft seal from the cooling liquid injection head.
The invention has the beneficial effects that: draw out the raw water in the pump case as the refrigerated coolant liquid of bearing seal through set up the raw water and draw forth the head on the pump case, thereby it plays the cooling effect to lead the coolant liquid pipeline that the raw water got into the bearing seal to make the raw water to lead to the coolant liquid injection head through connecting line, can filter the raw water that gets into the coolant liquid runner through set up Y type filter on connecting line, get rid of the particulate matter in the raw water, avoid blockking up the pipeline, the coolant liquid runner just improves refrigerated effect, and set up first ball valve control raw water and flow out from the pump case, conveniently carry out daily maintenance.
Drawings
Fig. 1 is a shaft seal cooling device of a vertical water pump according to an embodiment of the present invention.
Description of reference numerals:
1. a pump housing; 2. shaft sealing; 3. a coolant line;
31. a raw water leading-out head; 32. connecting a pipeline; 33. a coolant injection head; 34. a first ball valve; 35. a Y-type filter; 36. a flow meter; 37. a standby branch; 38. a general pipeline;
371. a first three-way valve; 372. a water inlet pipe; 373. a second ball valve; 374. a water outlet pipe; 375. a second three-way valve.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, a shaft seal cooling device of a vertical water pump includes a shaft seal and a coolant pipeline, the shaft seal has a coolant flow channel, the coolant flow channel is used for flowing a coolant to cool the shaft seal, the coolant pipeline is communicated with the coolant flow channel, the coolant pipeline includes a raw water leading-out head, a coolant injection head and a connecting pipeline, the raw water leading-out head is disposed on a pump housing of the vertical water pump and communicated with an inner cavity of the pump housing, the coolant injection head is disposed at the shaft seal of the vertical water pump and communicated with the coolant flow channel of the shaft seal, two ends of the connecting pipeline are respectively communicated with the raw water leading-out head and the coolant injection head, and the connecting pipeline is connected with a Y-type filter and a first ball valve;
and the raw water leading-out head is used for flowing raw water when the vertical water pump works and enabling the raw water to sequentially pass through the first ball valve and the Y-shaped filter and then enter a cooling liquid flow channel of the shaft seal from the cooling liquid injection head.
From the above description, the beneficial effects of the present invention are: draw out the raw water in the pump case as the refrigerated coolant liquid of bearing seal through set up the raw water and draw forth the head on the pump case, thereby it plays the cooling effect to lead the coolant liquid pipeline that the raw water got into the bearing seal to make the raw water to lead to the coolant liquid injection head through connecting line, can filter the raw water that gets into the coolant liquid runner through set up Y type filter on connecting line, get rid of the particulate matter in the raw water, avoid blockking up the pipeline, the coolant liquid runner just improves refrigerated effect, and set up first ball valve control raw water and flow out from the pump case, conveniently carry out daily maintenance.
Furthermore, a flow meter is connected to the connecting pipeline between the Y-shaped filter and the cooling liquid injection head, and the flow meter monitors the amount of water flowing out of the Y-shaped filter in real time.
According to the above description, the flow meter is arranged on the pipeline between the Y-shaped filter and the cooling liquid injection head to monitor the condition that raw water flows into the cooling liquid flow channel, so that the blockage fault of the shaft seal cooling pipeline can be timely found, and the serious fault of the water pump caused by the fact that the shaft seal is overheated due to cooling water shortage is avoided.
Further, the connecting pipeline still includes reserve branch road, reserve branch road is including the inlet tube, second ball valve and the outlet pipe that communicate in proper order, the inlet tube with on the connecting pipeline first ball valve with pipeline intercommunication between the Y type filter, the outlet pipe with on the connecting pipeline Y type filter with pipeline intercommunication between the flowmeter.
According to the description, the Y-shaped filter can accumulate a large amount of solid particulate matters in raw water after being used for a long time, and the spare branch can be started to keep the water pump working normally to overhaul the Y-shaped filter when the flow meter monitors that the amount of raw water flowing through the Y-shaped filter in unit time is abnormal or needs regular overhaul and maintenance for the position where the fault is most likely to occur in the connecting pipeline.
Further, the water inlet pipe is communicated with a pipeline between the first ball valve and the Y-shaped filter on the connecting pipeline through a first three-way valve.
Further, the water outlet pipe is communicated with a pipeline between the Y-shaped filter and the flowmeter on the connecting pipeline through a second three-way valve.
According to the description, the standby branch is connected through the three-way valve, the flow path can be switched to the standby branch through the three-way valve during maintenance, and the daily maintenance is convenient and fast.
Further, the first ball valve and the second ball valve are both manual ball valves.
According to the description, the sealing connection of the manual ball valve is reliable, the control pipeline is convenient to open and close and the maintenance is convenient, and the large-pressure manual ball valve can adapt to the large pressure of a large-scale water pump.
Further, the pipe diameter of the connecting pipe is DN 15.
According to the above description, the connecting pipeline is set to be a pipeline with a larger pipe diameter than a common cooling pipeline, so that the circulation of raw water can be increased, the occurrence of pipeline blockage is reduced, and the cooling effect is improved.
Referring to fig. 1, a first embodiment of the present invention is:
the utility model provides a shaft seal cooling device of vertical water pump, including shaft seal 2 and coolant pipeline 3, have the coolant runner in the shaft seal 2, coolant flow in the coolant runner cools off shaft seal 2, coolant pipeline 3 communicates the coolant runner, coolant pipeline 3 includes raw water extraction head 31, coolant injection head 33 and connecting line 32, raw water extraction head 31 sets up on the pump case 1 of vertical water pump and communicates with pump case 1 inner chamber, coolant injection head 33 sets up in shaft seal 2 department of vertical water pump and communicates with the coolant runner of shaft seal 2, the both ends of connecting line 32 communicate with raw water extraction head 31 and coolant injection head 33 respectively, raw water in the pump case 1 flows out the pump body from raw water extraction head 31 and reaches coolant injection head 33 through connecting line 32, then flows into the coolant runner in the shaft seal 2, realize cooling shaft seal 2.
Wherein, be provided with first ball valve 34, Y type filter 35, flowmeter 36, reserve branch 37 and the same general pipeline 38 of multistage pipe diameter on the connecting line 32, reserve branch 37 includes inlet tube 372, second ball valve 373 and the outlet pipe 374 that communicates in proper order through general pipeline 38, and the one end that the second ball valve 373 was kept away from to inlet tube 372 is connected an export of first three-way valve 371, and the one end that the second ball valve 373 was kept away from to outlet pipe 374 is connected an import of second three-way valve 375. The inlet end of the first ball valve 34 is connected with the raw water outlet 31 through a general pipeline 38, and the outlet end is connected with one inlet of the first three-way valve 371 through the general pipeline 38; the inlet end of the Y-strainer 35 communicates with the other outlet of the first three-way valve 371 through the common line 38, and the outlet end communicates with one inlet of the second three-way valve 375 through the common line 38; the inlet end of the flow meter 36 communicates with an outlet of the second three-way valve 375 via a common line 38, and the outlet end communicates with the coolant injection head 33 via the common line 38.
Wherein, the first ball valve 34 and the second ball valve 373 are both manual ball valves, and in other equivalent embodiments, one of them is an electric ball valve or a pneumatic ball valve which meets the pressure standard; the preferred pipe diameter of the general pipeline 38 adopts a water pipe with the pipe diameter specification of DN 15; the raw water leading-out head 31 is arranged at the lower position of the middle part of the pump shell 1, so that raw water in the inner cavity of the pump shell 1 can conveniently and rapidly enter the cooling liquid pipeline 3.
When the water purifier normally operates, the first ball valve 34 is opened, the three-way valve only opens a passage for communicating the first ball valve 34 with the Y-shaped filter 35, the raw water filters and intercepts particle impurities in the raw water when passing through the Y-shaped filter 35, the filtered water passes through the flow meter 36, and the flow meter 36 can display the amount and the flow rate of the flowing water;
when the flowmeter 36 displays that the flow rate and the flow rate are abnormal or daily maintenance and repair are needed, the first three-way valve 371 and the second three-way valve 375 can be rotated to switch the flow path of raw water to the standby branch 37, the raw water flows to the second ball valve 373 through the first three-way valve 371 and flows to the flowmeter 36 from the second three-way valve 375, and at this time, the Y-shaped filter 35 can be detached for maintenance; the backup branch 37 can also be switched to check the point of failure of the coolant line 3.
In summary, according to the shaft seal cooling device of the vertical water pump provided by the invention, the raw water leading-out head is arranged on the pump shell to lead out the raw water in the pump shell to be used as the cooling liquid for cooling the shaft seal, the raw water is led to the cooling liquid injection head through the connecting pipeline so as to enable the raw water to enter the cooling liquid channel of the shaft seal to play a cooling effect, the Y-shaped filter is arranged on the connecting pipeline to filter the raw water entering the cooling liquid channel, so that particles in the raw water are removed, and the pipeline and the cooling liquid channel are prevented from being blocked; the amount of raw water is increased by using a general pipeline with a larger pipe diameter, and the cooling effect is improved; when the flowmeter monitors that the amount of raw water flowing in unit time is abnormal or needs to be periodically overhauled and maintained, the standby branch can be started, the water pump is kept to work normally, the Y-shaped filter is overhauled, and daily maintenance is convenient to carry out.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. The shaft seal cooling device of the vertical water pump comprises a shaft seal and a cooling liquid pipeline, wherein a cooling liquid flow channel is arranged in the shaft seal, cooling liquid flows into the cooling liquid flow channel to cool the shaft seal, and the cooling liquid pipeline is communicated with the cooling liquid flow channel;
and the raw water leading-out head is used for flowing raw water when the vertical water pump works and enabling the raw water to sequentially pass through the first ball valve and the Y-shaped filter and then enter a cooling liquid flow channel of the shaft seal from the cooling liquid injection head.
2. The shaft seal cooling device of a vertical water pump according to claim 1, wherein a flow meter is connected to the connecting pipeline between the Y-shaped filter and the coolant injection head, and the flow meter monitors the water flow rate of the Y-shaped filter in real time.
3. The shaft seal cooling device of a vertical water pump according to claim 2, wherein the connection pipeline further comprises a backup branch, the backup branch comprises a water inlet pipe, a second ball valve and a water outlet pipe which are sequentially communicated, the water inlet pipe is communicated with the pipeline between the first ball valve and the Y-shaped filter on the connection pipeline, and the water outlet pipe is communicated with the pipeline between the Y-shaped filter and the flow meter on the connection pipeline.
4. The shaft seal cooling device of a vertical water pump according to claim 3, wherein the water inlet pipe is communicated with the connecting pipeline through a first three-way valve and a pipeline between the first ball valve and the Y-shaped filter.
5. The shaft seal cooling device of a vertical water pump according to claim 3, wherein the water outlet pipe is communicated with the connecting pipeline through a second three-way valve, and the Y-shaped filter is communicated with the pipeline between the Y-shaped filter and the flowmeter.
6. The shaft seal cooling device of a vertical water pump according to claim 3, wherein the first ball valve and the second ball valve are both manual ball valves.
7. The shaft seal cooling device of a vertical water pump according to claim 1, wherein the pipe diameter of the connecting pipe is DN 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111439636.2A CN114033752A (en) | 2021-11-30 | 2021-11-30 | Shaft seal cooling device of vertical water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111439636.2A CN114033752A (en) | 2021-11-30 | 2021-11-30 | Shaft seal cooling device of vertical water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114033752A true CN114033752A (en) | 2022-02-11 |
Family
ID=80145967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111439636.2A Pending CN114033752A (en) | 2021-11-30 | 2021-11-30 | Shaft seal cooling device of vertical water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114033752A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003148146A (en) * | 2001-11-06 | 2003-05-21 | Nikkari Co Ltd | Purifying system of water-cooled engine cooling system |
| CN201170215Y (en) * | 2007-10-22 | 2008-12-24 | 佛山市顺德区顺达船舶工程有限公司 | Cooling water control device of shaft packing box for pump |
| JP2012167552A (en) * | 2011-02-10 | 2012-09-06 | Nippon Soken Inc | Engine cooling device |
| CN204610014U (en) * | 2015-04-28 | 2015-09-02 | 湖南南方安美消防设备有限公司 | A kind of diesel engine cooling water piping system |
| CN205064358U (en) * | 2015-09-28 | 2016-03-02 | 哈尔滨电气动力装备有限公司 | Urgent bearing seal injected water feeding mechanism of nuclear main pump |
| CN108953161A (en) * | 2018-07-18 | 2018-12-07 | 江苏长凯机械设备有限公司 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
-
2021
- 2021-11-30 CN CN202111439636.2A patent/CN114033752A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003148146A (en) * | 2001-11-06 | 2003-05-21 | Nikkari Co Ltd | Purifying system of water-cooled engine cooling system |
| CN201170215Y (en) * | 2007-10-22 | 2008-12-24 | 佛山市顺德区顺达船舶工程有限公司 | Cooling water control device of shaft packing box for pump |
| JP2012167552A (en) * | 2011-02-10 | 2012-09-06 | Nippon Soken Inc | Engine cooling device |
| CN204610014U (en) * | 2015-04-28 | 2015-09-02 | 湖南南方安美消防设备有限公司 | A kind of diesel engine cooling water piping system |
| CN205064358U (en) * | 2015-09-28 | 2016-03-02 | 哈尔滨电气动力装备有限公司 | Urgent bearing seal injected water feeding mechanism of nuclear main pump |
| CN108953161A (en) * | 2018-07-18 | 2018-12-07 | 江苏长凯机械设备有限公司 | A kind of mechanical seal self-cooling structure of heat-exchanger pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201121584Y (en) | Intelligent oil-gas mixed flow double-screw pump mechanical seal protection system | |
| CN102287524A (en) | Speed reducer lubrication system | |
| CN114033752A (en) | Shaft seal cooling device of vertical water pump | |
| CN207297445U (en) | Centrifugal compressor supporting petrol station of the fuel tank as unit base | |
| CN202215718U (en) | A reduction box lubricating system | |
| CN218954579U (en) | Well cementation fracturing pump plunger lubricating arrangement | |
| CN207935181U (en) | A kind of mechanical seal rinsing system | |
| CN210033806U (en) | Hydraulic control system of thin oil station | |
| CN210484259U (en) | Hydraulic oil supply system capable of being switched in opening and closing mode | |
| CN209508303U (en) | The safe circulatory system of the air port Ou Yelu cooling water channel open circuit | |
| CN210317574U (en) | Dust-containing oil product testing device | |
| CN111120457B (en) | Lubricating, cooling and filtering integrated device for hydraulic pump and motor | |
| CN208295127U (en) | It is a kind of can on-line maintenance mechanical seal rinsing system | |
| CN206694257U (en) | It is a kind of that there is the water-ring vacuum pump for reducing sealing coolant-temperature gage | |
| CN216788858U (en) | Convenient timely refrigerated vulcanizer hydraulic system | |
| CN215633810U (en) | Magnetic pump for conveying high-temperature fluid containing particles | |
| CN216478180U (en) | Hydraulic system for seal life test | |
| CN219712373U (en) | Electric valve for reducing dust-containing gas worn by valve core | |
| CN219367397U (en) | Independent lubricating oil system suitable for closed circulation test device | |
| CN214500901U (en) | Cryogenic pump performance test system | |
| CN213125774U (en) | Circulating water cooling system for oil cylinder and blade adjusting mechanism cooler of unit | |
| CN113217477B (en) | Mechanical seal self-flushing device for pump based on Marangoni effect | |
| CN214837323U (en) | Outer circulation water supply system of jet pump machine seal in landfill leachate MBR process system | |
| CN219691739U (en) | Mechanical seal cooling water recycling system of pump | |
| CN220929742U (en) | Sealing device for alkaline washing centrifugal pump after sulfur tail gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |