CN218178581U - Novel machine pump lubricating oil cooling circulation system - Google Patents
Novel machine pump lubricating oil cooling circulation system Download PDFInfo
- Publication number
- CN218178581U CN218178581U CN202222357753.0U CN202222357753U CN218178581U CN 218178581 U CN218178581 U CN 218178581U CN 202222357753 U CN202222357753 U CN 202222357753U CN 218178581 U CN218178581 U CN 218178581U
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- demineralized water
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- pipe
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a novel machine pump lubricating oil cooling circulation system, including the airtight buffer tank of demineralized water, demineralized water circulating pump and cooling water equipment, the entry linkage of the airtight buffer tank of demineralized water has the first person in charge of supplying with demineralized water, the export of the airtight buffer tank of demineralized water through the second person in charge who concatenates first main valve door with the entry intercommunication of demineralized water circulating pump, the demineralized water circulating pump with be provided with cooling system between the cooling water equipment, the third person in charge of the demineralized water circulating pump through concatenating second main valve door with the cooling system intercommunication, cooling system through the fourth person in charge with the cooling water equipment intercommunication, the cooling water equipment through the fifth person in charge who concatenates circulation flowmeter with the airtight buffer tank of demineralized water intercommunication. The utility model has the characteristics of cooling effect is good, improve equipment life and reduce circulating water consumption.
Description
Technical Field
The utility model relates to a cooling system field, novel machine pump lubricating oil cooling circulation system specifically says so.
Background
The device is characterized in that a high-temperature pump tandem machine seal white oil cooler and a bearing box cooling water are used as circulating water, impurities such as chloride ions, calcium and magnesium ions, microorganism slime and the like are abundant in the circulating water, the temperature of white oil serving as the cooling oil of the high-temperature pump in the white oil cooler exceeds 100 ℃, the temperature of the bearing box lubricating oil also reaches 70 ℃, after long-time operation, serious slime accumulation, high-temperature calcification and the like exist in the white oil cooler and the bearing box, slime corrosion is formed, the problem that the white oil cooler and a bearing box circulating water branch pipe are blocked by slime and do not circulate is a normal state, the treatment difficulty is high, the phenomenon that the white oil cooler is frozen and cracked due to the fact that circulating water of a standby pump does not circulate is often found in winter production, circulating water is connected into a through hole in the white oil pipe in series, and great potential safety hazards are formed on the problems of leakage of the high-temperature pump and the like. The high-temperature pump tandem machine seal is cooled by circulating water, and on one hand, under-deposit corrosion perforation is formed on the outer wall of the tube bundle in the white oil tube; on the other hand, the poor cooling effect of the white oil affects the service life of the mechanical seal; and the pump bearing is damaged due to poor cooling of the lubricating oil of the bearing box.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a novel pump lubricating oil cooling circulation system that cooling effect is good, improve equipment life and reduce circulating water consumption.
In order to solve the technical problem, the utility model discloses a sealed buffer tank of demineralized water, demineralized water circulating pump and cooling water equipment, the entry linkage of the sealed buffer tank of demineralized water has the first person in charge of supplying demineralized water, the export of the sealed buffer tank of demineralized water through the second person in charge who concatenates first main valve with the entry intercommunication of demineralized water circulating pump, its structural feature is that be provided with cooling system between demineralized water circulating pump and the cooling water equipment, the demineralized water circulating pump through concatenating the third person in charge of second main valve with cooling system communicates, cooling system through the fourth person in charge with the cooling water equipment communicates, the cooling water equipment through concatenating the fifth person in charge of circulation flowmeter with the sealed buffer tank of demineralized water communicates;
the cooling system comprises a first plate cooler and a second plate cooler which are connected in parallel, a demineralized water inlet of the first plate cooler is respectively communicated with a third main pipe through a first main branch pipe which is connected with a first regulating valve in series, and a demineralized water inlet of the second plate cooler is respectively communicated with a third main pipe through a fifth main branch pipe which is connected with a fifth regulating valve in series, a demineralized water outlet of the first plate cooler is respectively communicated with a fourth main pipe through a second main branch pipe which is connected with a second regulating valve in series, and a demineralized water outlet of the second plate cooler is respectively communicated with a sixth main branch pipe which is connected with a sixth regulating valve in series, the second main branch pipe is communicated with the third main pipe through a third main branch pipe which is connected with a third regulating valve in series, and a fourth regulating valve is connected on the third main pipe between the first main branch pipe and the third main branch pipe in series; the circulating water inlet of the first plate cooler is respectively communicated with a first auxiliary pipe for supplying circulating cold water through a first auxiliary branch pipe which is connected with a first auxiliary valve in series, the circulating water inlet of the second plate cooler is respectively communicated with a first auxiliary pipe for supplying circulating cold water through a fifth auxiliary branch pipe which is connected with a fifth auxiliary valve in series, and the circulating water outlet of the first plate cooler is respectively communicated with a second auxiliary pipe for discharging circulating cold water through a second auxiliary branch pipe which is connected with a second auxiliary valve in series and a circulating water outlet of the second plate cooler; and the fifth auxiliary branch pipe is communicated with the second auxiliary branch pipe through a third auxiliary branch pipe connected with a third auxiliary valve in series.
Furthermore, the demineralized water circulating pumps are connected in parallel and are respectively connected between the second main pipe and the third main pipe.
Further, the third is responsible for and has concatenated first manometer, the third is responsible for through concatenating the sixth of first pressure control valve be responsible for with the fifth is responsible for the intercommunication, first manometer and first pressure control valve are connected with the controller respectively, and the controller control when the pressure value of first manometer is less than 0.3MPa the demineralized water circulating pump is opened.
Furthermore, a second pressure gauge is connected in series with the fifth main pipe.
Furthermore, a secondary line valve is connected to the third main pipe in series and is communicated with the fourth main pipe.
Further, the first person in charge with be provided with liquid level control system between the airtight buffer tank of demineralized water, liquid level control system includes second pressure control valve and level sensor, second pressure control valve and level sensor all with controller control connection.
After adopting above-mentioned structure, under the low-load state, open one or two demineralized water circulating pump, when a demineralized water circulating pump damaged, another still can continue to work. Under normal or high load state, can realize the series connection and the parallel operation of first plate cooler and second plate cooler, have following advantage, 1, solved the interior tube bank outer wall of white oil tank and constitute the under-deposit corrosion perforation problem. 2. The problem of because of the not good machine that influences the life of sealing of white oil cooling effect is solved. 3. The problem of bearing damage caused by poor lubrication of the bearing due to high temperature of lubricating oil is solved. 4. The problem of circulating water slime blockage is avoided. 5. The cooling effect and the service life of the equipment can be improved, potential safety hazards are avoided, and long-term operation of the device is ensured. By providing a secondary line valve, it can still be used in the event of a failure of the equipment. The circulating water system can realize parallel and serial operation, the circulating water can be operated in parallel under the condition of high temperature and high load in summer weather, and can be operated in series under the condition of low temperature in winter, so that the circulating water flow rate is increased, and the circulating water consumption is reduced.
Drawings
FIG. 1 is a simplified flow chart of the present invention;
in the figure: the system comprises a desalted water closed buffer tank 1, a first main pipe 11, a second pressure control valve 111, a first main valve 12, a second main pipe 13, a desalted water circulating pump 2, a third main pipe 21, a second main valve 211, a first pressure gauge 212, a first pressure control valve 213, a secondary line valve 214, a fourth regulating valve 215, a cooling water device 3, a fourth main pipe 31, a fifth main pipe 32, a flowmeter 321, a second pressure gauge 322, a cooling system 4, a first plate cooler 41, a first regulating valve 411, a second regulating valve 412, a third regulating valve 413, a first secondary valve 414, a second secondary valve 415, a second plate cooler 42, a fifth regulating valve 421, a sixth regulating valve 422, a fifth secondary valve 423, a sixth secondary valve 424, a third secondary valve 425, a first secondary pipe 5 and a second secondary pipe 6.
Detailed Description
Referring to fig. 1, the novel machine pump lubricating oil cooling circulation system comprises a demineralized water closed buffer tank 1, a demineralized water circulating pump 2 and cooling water equipment 3, wherein the cooling water equipment 3 mainly comprises various series machine seals, a bearing box machine pump and the like. The entry linkage of the airtight buffer tank of demineralized water 1 is connected with the first person in charge 11 of supplying demineralized water, it is preferred, be provided with liquid level control system between first person in charge 11 and the airtight buffer tank of demineralized water 1, liquid level control system includes second pressure control valve 111 and level sensor, second pressure control valve 111 and level sensor all with controller control connection, the controller can adopt PLC or singlechip, when the water level in the airtight buffer tank of demineralized water 1 is less than the setting value, controller control second pressure control valve 111 opens, later control second pressure control valve 111 closes, controller control second pressure control valve 111 opens and is prior art, no longer repeated here. The demineralized water gets into the airtight buffer tank 1 of demineralized water from first main pipe 11, the export of the airtight buffer tank 1 of demineralized water is through the second main pipe 13 that is concatenated first main valve 12 and the entry intercommunication of demineralized water circulating pump 2, be provided with cooling system 4 between demineralized water circulating pump 2 and the cooling water equipment 3, demineralized water circulating pump 2 is through the third main pipe 21 and the cooling system 4 intercommunication of concatenating second main valve 211, preferably, demineralized water circulating pump 2 is parallelly connected to be provided with two, connect respectively between second main pipe 13 and third main pipe 21. When one of the demineralized water circulation pumps 2 is damaged for maintenance, the other demineralized water circulation pump 2 can be turned on. The cooling system 4 is communicated with the cooling water device 3 through a fourth main pipe 31, the cooling water device 3 is communicated with the desalted water sealed buffer tank 1 through a fifth main pipe 32 connected with a circulation flow meter 321 in series, and preferably, a second pressure gauge 322 is connected to the fifth main pipe 32 in series.
The cooling system 4 comprises a first plate cooler 41 and a second plate cooler 42 which are connected in parallel, a demineralized water inlet of the first plate cooler 41 is respectively communicated with the third main pipe 21 through a first main branch pipe which is connected with the first regulating valve 411 in series, and a demineralized water inlet of the second plate cooler 42 is respectively communicated with the third main pipe 21 through a fifth main branch pipe which is connected with the fifth regulating valve 421 in series, a demineralized water outlet of the first plate cooler 41 is respectively communicated with the fourth main pipe 31 through a second main branch pipe which is connected with the second regulating valve 412 in series, and a demineralized water outlet of the second plate cooler 42 is respectively communicated with the sixth main branch pipe which is connected with the sixth regulating valve 422 in series, and the second main branch pipe is communicated with the third main pipe 21 through a third main branch pipe which is connected with the third regulating valve 413 in series; a circulating water inlet of the first plate cooler 41 is respectively communicated with a first auxiliary pipe 5 for supplying circulating cold water through a first auxiliary branch pipe in series connection with a first auxiliary valve 414, a circulating water inlet of the second plate cooler 42 is respectively communicated with a first auxiliary pipe 5 for supplying circulating cold water through a fifth auxiliary branch pipe in series connection with a fifth auxiliary valve 423, a circulating water outlet of the first plate cooler 41 is communicated with a second auxiliary pipe 6 for discharging circulating cold water through a second auxiliary branch pipe in series connection with a second auxiliary valve 415, and a circulating water outlet of the second plate cooler 42 is respectively communicated with a sixth auxiliary branch pipe in series connection with a sixth auxiliary valve 424; the fifth secondary branch is in communication with the second secondary branch through a third secondary branch in series with a third secondary valve 425.
The third main pipe 21 is connected in series with the secondary line valve 214 and communicates with the fourth main pipe 31. The third main pipe 21 is connected in series with a first pressure gauge 212, the third main pipe 21 is communicated with the fifth main pipe 32 through a sixth main pipe connected in series with a first pressure control valve 213, the first pressure gauge 212 and the first pressure control valve 213 are respectively connected with a controller, and when the pressure value of the first pressure gauge 212 is smaller than 0.3MPa, the controller controls the demineralized water circulating pumps 2 to act, namely, one of the demineralized water circulating pumps 2 is started, or both the demineralized water circulating pumps 2 are started.
When the device is used, the second pressure control valve 111 is opened, the demineralized water flows into the demineralized water closed buffer tank 1 from the first main pipe, and the demineralized water is automatically closed when reaching the set liquid level height; first main valve 12, demineralized water circulating pump 2 all open and provide demineralized water to cooling system 4, and demineralized water gets into cooling water equipment 3 after cooling system 4 cools off and carries out cooling work, flows into in the airtight buffer tank 1 of demineralized water from fifth main pipe 32 at last, accomplishes a complete cycle. The demineralized water circulating pump 2 is the core part of the system, the system can realize three operation modes according to the conforming conditions, the mode I is that one or two demineralized water circulating pumps 2 are opened under the low-load state, and when one demineralized water circulating pump is damaged, the other demineralized water circulating pump can still continue to work. In the second mode, under a normal or high-load state, the series operation of the first plate cooler 41 and the second plate cooler 42 can be realized, and the series operation is that the first regulating valve 411, the third regulating valve 413, the fifth regulating valve 421 and the sixth regulating valve 422 are all opened, and the second regulating valve 412 and the fourth regulating valve 215 are all closed; in the third mode, the parallel operation of the first plate cooler 41 and the second plate cooler 42 can be realized, the parallel operation is that the first regulating valve 411, the second regulating valve 412, the fourth regulating valve 215, the fifth regulating valve 421 and the sixth regulating valve 422 are all opened, and the third regulating valve 413 is closed, so that the advantages are as follows, and 1, the problem of under-scale corrosion perforation formed by the outer wall of the tube bundle in the white oil tank is solved. 2. The problem of because of the not good machine that influences of white oil cooling effect seals life is solved. 3. The problem of bearing damage caused by poor lubrication of the bearing due to high temperature of lubricating oil is solved. 4. The problem of circulating water slime blockage is avoided. 5. The cooling effect and the service life of the equipment can be improved, potential safety hazards are avoided, and long-term operation of the device is ensured. By providing the by-line valve 214, it can still be used in the event of a plant failure.
The circulating water system can realize parallel and serial operation, the circulating water parallel operation is performed under the condition of high temperature and high load in summer weather, the parallel operation is that the first auxiliary valve 414, the second auxiliary valve 415, the fifth auxiliary valve 423 and the sixth auxiliary valve 424 are all opened, and the third auxiliary valve 425 is closed; the series operation can be carried out under the condition of low air temperature in winter, the first auxiliary valve 414, the third auxiliary valve 425 and the sixth auxiliary valve 424 are all opened in the series operation, and the second auxiliary valve 415 and the fifth auxiliary valve 423 are all closed, so that the flow rate of circulating water is increased, and the consumption of the circulating water is reduced.
Claims (6)
1. The novel machine pump lubricating oil cooling circulation system comprises a demineralized water closed buffer tank (1), a demineralized water circulating pump (2) and cooling water equipment (3), wherein an inlet of the demineralized water closed buffer tank (1) is connected with a first main pipe (11) for supplying demineralized water, an outlet of the demineralized water closed buffer tank (1) is communicated with an inlet of the demineralized water circulating pump (2) through a second main pipe (13) connected with a first main valve (12) in series, and the novel machine pump lubricating oil cooling circulation system is characterized in that a cooling system (4) is arranged between the demineralized water circulating pump (2) and the cooling water equipment (3), the demineralized water circulating pump (2) is communicated with the cooling system (4) through a third main pipe (21) connected with a second main valve (211) in series, the cooling system (4) is communicated with the cooling water equipment (3) through a fourth main pipe (31), and the cooling water equipment (3) is communicated with the demineralized water closed buffer tank (1) through a fifth main pipe (32) connected with a circulating flow meter (321) in series;
the cooling system (4) comprises a first plate cooler (41) and a second plate cooler (42) which are connected in parallel, a demineralized water inlet of the first plate cooler (41) is respectively communicated with a third main pipe (21) through a first main branch pipe connected with a first regulating valve (411) in series, a demineralized water inlet of the second plate cooler (42) is respectively communicated with a fifth main branch pipe connected with a fifth regulating valve (421) in series, a demineralized water outlet of the first plate cooler (41) is respectively communicated with the fourth main pipe (31) through a second main branch pipe connected with a second regulating valve (412) in series, a demineralized water outlet of the second plate cooler (42) is respectively communicated with a sixth main branch pipe connected with a sixth regulating valve (422) in series, the second main branch pipe is communicated with the third main pipe (21) through a third main branch pipe connected with a third regulating valve (413) in series, and a fourth regulating valve (215) is connected in series with the third main pipe (21) between the first main branch pipe and the third main branch pipe; a circulating water inlet of the first plate cooler (41) is respectively communicated with a first auxiliary pipe (5) for supplying circulating cold water through a first auxiliary branch pipe connected with a first auxiliary valve (414) in series, a circulating water inlet of the second plate cooler (42) is respectively communicated with a first auxiliary pipe (5) for supplying circulating cold water through a fifth auxiliary branch pipe connected with a fifth auxiliary valve (423) in series, a circulating water outlet of the first plate cooler (41) is respectively communicated with a second auxiliary pipe (6) for discharging circulating cold water through a second auxiliary branch pipe connected with a second auxiliary valve (415) in series and a circulating water outlet of the second plate cooler (42) is respectively communicated with a sixth auxiliary branch pipe connected with a sixth auxiliary valve (424) in series; and the fifth sub-branch pipe is communicated with the second sub-branch pipe through a third sub-branch pipe connected with a third sub-valve (425) in series.
2. The new machine-pumped lubricating oil cooling circulation system of claim 1, characterized in that two demineralized water circulating pumps (2) are arranged in parallel and are respectively connected between the second main pipe (13) and the third main pipe (21).
3. The novel machine-pumped lubricating oil cooling circulation system as claimed in claim 2, wherein the third main pipe (21) is connected in series with a first pressure gauge (212), the third main pipe (21) is communicated with the fifth main pipe (32) through a sixth main pipe connected in series with a first pressure control valve (213), the first pressure gauge (212) and the first pressure control valve (213) are respectively connected with a controller, and the controller controls the demineralized water circulation pump (2) to be turned on when the pressure value of the first pressure gauge (212) is less than 0.3 MPa.
4. The new machine-pumped lubricating oil cooling circulation system of claim 1, characterized in that the fifth main pipe (32) is connected in series with a second pressure gauge (322).
5. The new machine-pumped lubricating oil cooling circulation system of claim 1, characterized in that the third main pipe (21) is connected with a secondary line valve (214) in series and is communicated with the fourth main pipe (31).
6. The novel machine-pumped lubricating oil cooling circulation system as claimed in claim 1, wherein a liquid level control system is arranged between the first main pipe (11) and the demineralized water closed buffer tank (1), the liquid level control system comprises a second pressure control valve (111) and a liquid level sensor, and the second pressure control valve (111) and the liquid level sensor are both in control connection with a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357753.0U CN218178581U (en) | 2022-09-06 | 2022-09-06 | Novel machine pump lubricating oil cooling circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222357753.0U CN218178581U (en) | 2022-09-06 | 2022-09-06 | Novel machine pump lubricating oil cooling circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218178581U true CN218178581U (en) | 2022-12-30 |
Family
ID=84622971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222357753.0U Expired - Fee Related CN218178581U (en) | 2022-09-06 | 2022-09-06 | Novel machine pump lubricating oil cooling circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218178581U (en) |
-
2022
- 2022-09-06 CN CN202222357753.0U patent/CN218178581U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221230 |