CN213511376U - Cooling device for working water tank of sealed oil vacuum pump - Google Patents
Cooling device for working water tank of sealed oil vacuum pump Download PDFInfo
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- CN213511376U CN213511376U CN202022710415.1U CN202022710415U CN213511376U CN 213511376 U CN213511376 U CN 213511376U CN 202022710415 U CN202022710415 U CN 202022710415U CN 213511376 U CN213511376 U CN 213511376U
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Abstract
The utility model discloses a sealing oil vacuum pump working water tank cooling device, including sealing oil vacuum oil tank, sealing oil vacuum oil tank is equipped with the vacuum pressure gauge, sealing oil vacuum oil tank is linked together with the vacuum pump through the evacuation pipeline to be equipped with vacuum destruction valve, vacuum pump entry stop valve and vacuum pump entry check valve, the vacuum pump links to each other with vacuum pump working water tank pipeline, be equipped with the coil pipe cooler in the vacuum pump working water tank, the both ends of coil pipe cooler are linked together with demineralized water cooling water pipeline respectively, and are equipped with demineralized water cooling water control valve; the vacuum pump working water tank is provided with a thermometer; the output end of the vacuum pressure gauge and the output end of the thermometer are electrically connected with the input end of the DCS, and the output end of the DCS is connected with the demineralized water cooling water control valve in a control mode through a DCS connecting cable; the utility model has the advantages that: the purposes of cooling and reducing the discharge of working water can be realized.
Description
Technical Field
The utility model belongs to the water tank heat sink field, and the utility model relates to a vacuum pump water tank heat sink, specifically speaking are sealed oily vacuum pump work water tank heat sink.
Background
Working water of a working water tank of a sealing oil vacuum pump of an existing power plant adopts closed water, the temperature of the closed water is high, particularly in summer, the temperature of the working water is reduced for guaranteeing the vacuum pumping effect of the vacuum pump, a large water replenishing door needs to be opened to increase water tank overflow, and serious waste of demineralized water is caused.
Meanwhile, the working water tank of the sealing oil vacuum pump has high working water temperature, so that the vacuum pump has low output, water is easy to vaporize and damages an impeller, meanwhile, the vacuum pump has low output and poor suction effect, and gas dissolved in the sealing oil cannot be checked, so that the hydrogen purity of the generator is influenced and the efficiency of the generator is reduced.
The closed water temperature is about 20 ℃ in winter and is up to 43.34 ℃ in summer, so that the vacuum pumping capacity of the vacuum pump is poor, the vacuum of the sealing oil vacuum oil tank is reduced, oil smoke in the sealing oil cannot be effectively discharged, the purity of hydrogen is reduced, and the output of a generator is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a sealed oil vacuum pump work water tank heat sink, can realize the purpose of cooling, reduction working water emission.
The technical scheme of the utility model is that:
the sealing oil vacuum pump working water tank cooling device comprises a sealing oil vacuum oil tank, wherein the sealing oil vacuum oil tank is provided with a vacuum pressure gauge, the sealing oil vacuum oil tank is communicated with a vacuum pump through a vacuumizing pipeline and is provided with a vacuum breaking valve, a vacuum pump inlet stop valve and a vacuum pump inlet check valve, the vacuum pump is connected with a vacuum pump working water tank pipeline, a coil cooler is arranged in the vacuum pump working water tank, and two ends of the coil cooler are respectively communicated with a demineralized water cooling water pipeline and provided with a demineralized water cooling water control valve; the vacuum pump working water tank is provided with a thermometer; the output end of the vacuum pressure gauge and the output end of the thermometer are electrically connected with the input end of the DCS, and the output end of the DCS is connected with the demineralized water cooling water control valve through a DCS wiring cable in a control mode.
The vacuum pump working water tank is also provided with a closed water replenishing pipeline and a working water overflow sewage discharge pipeline.
The utility model discloses sealed oil vacuum pump work water tank heat sink mainly comprises parts such as heat exchange coil, electric control door, thermocouple, pressure transmitter, DCS system.
The opening of the demineralized water cooling water control valve is controlled to adjust the cooling water amount, the water temperature requirement of the sealing oil vacuum pump is met, and the vacuum condition of the vacuum oil tank is monitored.
The sealing oil vacuum oil tank stores sealing oil; a vacuum pressure gauge detects the vacuum of the sealed oil vacuum oil tank; the DCS monitors each parameter signal and judges and controls the opening of the valve through logic; when the vacuum value of the system is too high, the vacuum breaking valve is slightly opened to keep the vacuum constant; the DCS wiring cable is connected with the DCS and the local signal cable; the closed water replenishing pipeline replenishes the working water of the vacuum pump; the vacuum pump working water tank stores working water; displaying and uploading the temperature of the working water to a DCS through a thermometer; the working water overflow sewage discharge pipeline overflows the working water to a trench when the water level of the water tank is high, and discharges the working water in the water tank when the working water tank is overhauled; the desalted water cooling water pipeline is internally provided with desalted water cooling water; the coil cooler cools the working water of the vacuum pump through open water; the demineralized water cooling water control valve automatically adjusts the opening of the valve according to the working water level; the vacuum pump of the vacuum pumping pipeline pumps the gas such as oil smoke and the like in the vacuum oil tank through the vacuum pumping pipeline; the stop valve at the inlet of the vacuum pump plays an isolation role when the vacuum pump is overhauled; the vacuum pump inlet check valve prevents air from pouring into the vacuum pumping pipeline when the vacuum pump stops running; the vacuum pump pumps the gas such as oil smoke in the vacuum oil tank.
The utility model has the advantages that: the purposes of cooling and reducing the discharge of working water can be realized.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic structural view of a cooling device for a working water tank of a sealed oil vacuum pump according to an embodiment of the present invention;
in the figure: 1. the system comprises a sealed oil vacuum oil tank, 2 a vacuum pressure gauge, 3 a DCS system, 4 a vacuum breaker valve, 5 a DCS connection cable, 6 a closed water replenishing pipeline, 7 a vacuum pump working water tank, 8 a thermometer, 9 a working water overflow and sewage discharge pipeline, 10 a demineralized water cooling water pipeline, 11 a coil pipe cooler, 12 a demineralized water cooling water control valve, 13 a vacuumizing pipeline, 14 a vacuum pump inlet stop valve, 15 a vacuum pump inlet check valve and 16 a vacuum pump.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1, a cooling device for a sealed oil vacuum pump working water tank comprises a sealed oil vacuum oil tank 1, wherein the sealed oil vacuum oil tank 1 is provided with a vacuum pressure gauge 2, the sealed oil vacuum oil tank 1 is communicated with a vacuum pump 16 through a vacuumizing pipeline 13, and is provided with a vacuum breaking valve 4, a vacuum pump inlet stop valve 14 and a vacuum pump inlet check valve 15, the vacuum pump 16 is connected with a vacuum pump working water tank 7 through a pipeline, a coil cooler 11 is arranged in the vacuum pump working water tank 7, two ends of the coil cooler 11 are respectively communicated with a demineralized water cooling water pipeline 10, and a demineralized water cooling valve 12 is arranged; the vacuum pump working water tank 7 is provided with a thermometer 8; the output ends of the vacuum pressure gauge 2 and the thermometer 8 are electrically connected with the input end of the DCS 3, and the output end of the DCS 3 is connected with the demineralized water cooling water control valve 12 through a DCS wiring cable 5 in a control mode.
The vacuum pump working water tank 7 is also provided with a closed water replenishing pipeline 6 and a working water overflow sewage discharge pipeline 9.
The utility model discloses sealed oil vacuum pump work water tank heat sink mainly comprises parts such as heat exchange coil, electric control door, thermocouple, pressure transmitter, DCS system.
The opening of the demineralized water cooling water control valve 12 is controlled to adjust the cooling water amount, the water temperature requirement of the sealing oil vacuum pump is met, and the vacuum condition of the vacuum oil tank is monitored.
The sealing oil vacuum oil tank 1 is used for storing sealing oil; the vacuum pressure gauge 2 is used for detecting the vacuum of the sealed oil vacuum oil tank; the DCS system 3 is used for monitoring each parameter signal and judging and controlling the opening of the valve through logic; the vacuum breaking valve 4 is used for keeping the vacuum constant by slightly opening the vacuum breaking valve when the vacuum value of the system is too high; the DCS wiring cable 5 is used for connecting the DCS and the local signal cable; the closed water replenishing pipeline 6 replenishes the working water of the vacuum pump; the vacuum pump working water tank 7 stores working water; the temperature meter 8 displays and uploads the temperature of the working water to the DCS; the working water overflow sewage discharge pipeline 9 overflows the working water to a trench when the water level of the water tank is high, and discharges the working water in the water tank when the working water tank is overhauled; the desalted water cooling water pipeline 10 is internally provided with desalted water cooling water; the coil cooler 11 cools the working water of the vacuum pump through open water; the demineralized water cooling water control valve 12 automatically adjusts the opening degree of the valve according to the working water level; the vacuum pumping pipeline 13 is used for pumping gas such as oil smoke in the vacuum oil tank by a vacuum pump through the vacuum pumping pipeline; the vacuum pump inlet stop valve 14 plays an isolation role in the maintenance of the vacuum pump; the vacuum pump inlet check valve 15 prevents air from pouring into the vacuum pumping pipeline when the vacuum pump is stopped; the vacuum pump 16 pumps gas such as soot in the vacuum oil tank.
Claims (3)
1. Sealing oil vacuum pump work water tank heat sink, its characterized in that: the system comprises a sealed oil vacuum oil tank, wherein the sealed oil vacuum oil tank is provided with a vacuum pressure gauge, the sealed oil vacuum oil tank is communicated with a vacuum pump through a vacuumizing pipeline and is provided with a vacuum breaking valve, a vacuum pump inlet stop valve and a vacuum pump inlet check valve, the vacuum pump is connected with a vacuum pump working water tank pipeline, a coil cooler is arranged in the vacuum pump working water tank, two ends of the coil cooler are respectively communicated with a demineralized water cooling water pipeline, and a demineralized water cooling water control valve is arranged; the vacuum pump working water tank is provided with a thermometer; the output end of the vacuum pressure gauge and the output end of the thermometer are electrically connected with the input end of the DCS, and the output end of the DCS is connected with the demineralized water cooling water control valve through a DCS wiring cable in a control mode.
2. The seal oil vacuum pump working water tank cooling device according to claim 1, characterized in that: the vacuum pump working water tank is also provided with a closed water replenishing pipeline.
3. The seal oil vacuum pump working water tank cooling device according to claim 1, characterized in that: the vacuum pump working water tank is also provided with a working water overflow sewage discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022710415.1U CN213511376U (en) | 2020-11-20 | 2020-11-20 | Cooling device for working water tank of sealed oil vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022710415.1U CN213511376U (en) | 2020-11-20 | 2020-11-20 | Cooling device for working water tank of sealed oil vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213511376U true CN213511376U (en) | 2021-06-22 |
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ID=76424821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022710415.1U Active CN213511376U (en) | 2020-11-20 | 2020-11-20 | Cooling device for working water tank of sealed oil vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213511376U (en) |
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2020
- 2020-11-20 CN CN202022710415.1U patent/CN213511376U/en active Active
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