CN215672631U - Vacuum pump moisturizing recovery system - Google Patents
Vacuum pump moisturizing recovery system Download PDFInfo
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- CN215672631U CN215672631U CN202121708213.1U CN202121708213U CN215672631U CN 215672631 U CN215672631 U CN 215672631U CN 202121708213 U CN202121708213 U CN 202121708213U CN 215672631 U CN215672631 U CN 215672631U
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Abstract
The utility model discloses a vacuum pump water replenishing recovery system which comprises a plurality of vacuum pumps, a water accumulation tank and a closed cold water tank, wherein a vapor-liquid separation tank is arranged on each of the plurality of vacuum pumps, an exhaust pipe is arranged on each vapor-liquid separation tank, an exhaust branch pipe is connected onto each exhaust pipe, an overflow pipe is connected between the exhaust branch pipes of the vapor-liquid separation tanks, the other end of each overflow pipe is connected with a water inlet of the water accumulation tank, so that liquid in the vapor-liquid separation tanks overflows and enters the water accumulation tank through the overflow pipe, a water return pipeline is connected between a water outlet pipe of the water accumulation tank and the closed cold water tank, a water discharge pump is arranged on the water return pipeline, a liquid level control module is arranged on the water accumulation tank and is electrically connected with the water discharge pump, the liquid in the water accumulation tank is discharged into the closed cold water tank by controlling the start and stop of the water discharge pump by the liquid level control module. The utility model realizes the recycling of the closed cold water, effectively reduces the waste of the closed cold water and saves water resources.
Description
Technical Field
The utility model relates to the technical field of vacuum equipment, in particular to a water replenishing and recovering system of a vacuum pump.
Background
The normal operation of the vacuum pump is maintained by continuously supplementing working water when the steam side vacuum pump of the condenser operates. The water replenishing of the working solution is from demineralized water, and the pump continuously replenishes water during operation, so that part of water enters a vapor-liquid separator of the vacuum pump, the water level in the separator is continuously increased, and then the water overflows through the exhaust pipe and enters a trench, and the waste of water resources is caused. In order to reduce the waste of the cold water and the energy saving requirement, the working fluid needs to be recycled.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is to provide a vacuum pump water replenishing recovery system, which realizes the recovery and reuse of closed cold water, effectively reduces the waste of the closed cold water and saves water resources.
In order to achieve the purpose, the utility model discloses a vacuum pump water replenishing recovery system which comprises a plurality of vacuum pumps, a water accumulation tank and a closed cold water tank, wherein the plurality of vacuum pumps are respectively provided with a vapor-liquid separation tank, the vapor-liquid separation tank is respectively provided with an exhaust pipe, the exhaust pipe is connected with an exhaust branch pipe, an overflow pipe is connected between the exhaust branch pipes of the vapor-liquid separation tank, the other end of the overflow pipe is connected with a water inlet of the water accumulation tank, so that liquid in the vapor-liquid separation tank overflows and enters the water accumulation tank through the overflow pipe, a water return pipeline is connected between a water outlet pipe of the water accumulation tank and the closed cold water tank, the water return pipeline is provided with a water discharge pump, the water accumulation tank is provided with a liquid level control module, the liquid level control module is electrically connected with the water discharge pump, and the liquid discharge pump is controlled to be started and stopped by the liquid level control module, and discharging the liquid in the water accumulation tank into the closed cold water tank.
Preferably, the liquid level control module includes slide bar, floater, liquid level detection device, the upper portion of ponding case has the slip passageway, the top, the bottom of slip passageway run through be provided with slide bar sliding fit's slide opening, the upper portion, the lower part of slide bar be provided with respectively with slide passageway sliding fit's first piston, second piston, first piston with be provided with the spring between the top of slip passageway, the floater is fixed set up in the bottom of slide bar, be provided with first response piece, second response piece on the slide bar, by liquid level detection device detects the position of first, second response piece is used for controlling the drain pump opens and stops.
Preferably, the inlet of the drain pump is provided with a first electrically operated valve, and the outlet of the drain pump is provided with a second electrically operated valve.
Preferably, the water return pipe is provided with a check valve adjacent to the second electrically operated valve.
Preferably, one side of vapour-liquid knockout drum is provided with liquid level display module, liquid level display module includes display tube, magnetism float, ring, the inlet, the liquid outlet of display tube respectively with connect through the flange between the vapour-liquid knockout drum, the magnetism float set up in the display tube, the ring cover is located on the display tube, and with form the repulsion force between the magnetism float, make the ring be in follow under the effect of magnetism float the display tube removes.
Preferably, the ring is made of a magnetic material.
Preferably, a water replenishing pipe is arranged between the water replenishing port of the vacuum pump and the closed cold water tank, and a water replenishing electromagnetic valve is arranged on the water replenishing pipe.
Preferably, a liquid level transmitter is arranged in the vapor-liquid separation tank.
Preferably, the automatic water replenishing device further comprises a control module, and the control module is electrically connected with the water replenishing electromagnetic valve and the liquid level transmitter.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the overflow pipe is connected between the vapor-liquid separation tanks, so that liquid overflowing from the vapor-liquid separation tanks flows into the water accumulation tank through the overflow pipe, the liquid overflowing from the vapor-liquid separation tanks is prevented from entering a trench after overflowing, so that the waste of water resources is caused, the overflowing liquid is collected by the water accumulation tank, so that the overflowing liquid in the vapor-liquid separation tanks is recovered, the water resources are effectively saved, when the water level in the water accumulation tank is too high, the liquid is discharged into the closed cold water tank through the drainage pump, so that the liquid in the closed cold water tank is used for replenishing water to the vacuum pump, and the recycling of the water resources is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the water collecting tank;
FIG. 3 is a schematic view showing a structure of a portion A in FIG. 2;
fig. 4 is a schematic structural view of the vapor-liquid separation tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a vacuum pump water replenishing recovery system comprises a plurality of vacuum pumps 1, a water accumulation tank 3, a closed cold water tank 4 and a control module, wherein 2 groups of vacuum pumps 1 are preferably adopted in the embodiment, each vacuum pump 1 is provided with a vapor-liquid separation tank 2, each vapor-liquid separation tank 2 is provided with an exhaust pipe 21, each exhaust pipe 21 is connected with an exhaust branch pipe 211, an overflow pipe 5 is connected between the exhaust branch pipes 211 of the vapor-liquid separation tanks 2, and the other end of the overflow pipe 5 is connected with a water inlet of the water accumulation tank 3, as the vacuum pumps 1 continuously replenish water during operation, part of water enters the vapor-liquid separation tanks 2, so that the water level in the vapor-liquid separation tanks 2 is continuously raised and then overflows through the exhaust pipes 21 and flows into the overflow pipe 5, the liquid in the vapor-liquid separation tanks 2 enters the water accumulation tank 3 through the overflow pipes 5, and the overflowing liquid in the vapor-liquid separation tanks is recycled, effectively saving water resources.
Referring to fig. 1 and 2, a water return pipe 6 is connected between a water outlet of the water accumulation tank 3 and a water inlet of the closed cold water tank 4, the water return pipe 6 is provided with a water discharge pump 61, an inlet of the water discharge pump 61 is provided with a first electric valve 611, and an outlet of the water discharge pump 61 is provided with a second electric valve 612, so that the first and second electric valves 611 and 612 control on-off of the water return pipe 6. The water accumulation tank 3 is provided with a liquid level control module 31, the liquid level control module 31 is electrically connected with the drainage pump 61, and the liquid level control module 31 controls the drainage pump 61 to start and stop so that liquid in the water accumulation tank is discharged into the closed cold water tank.
Referring to fig. 3 again, the liquid level control module 31 includes a sliding rod 310, a floating ball 311, and a liquid level detection device 312, the upper portion of the water collecting tank 3 has a sliding channel 313, the top and the bottom of the sliding channel 313 are respectively provided with a sliding hole 314 slidably engaged with the sliding rod 310, the upper and the lower portions of the sliding rod 310 are respectively provided with a first piston 315 and a second piston 136 slidably engaged with the sliding channel 313, a spring 317 is disposed between the first piston 315 and the top of the sliding channel 313, the floating ball 311 is fixedly disposed at the bottom of the sliding rod 310, the sliding rod 310 is provided with a first sensing block 318 and a second sensing block 319, the liquid level detection device 312 is fixedly disposed on the middle side wall of the sliding channel 313, and the liquid level detection device preferably employs a liquid level sensor.
When the water level in the water accumulation tank 3 continuously rises to reach the position of the floating ball 311, the floating ball 311 enables the sliding rod 310 to move upwards along the sliding channel 313 under the action of the water level, the liquid level detection device 312 detects the second induction block 319, and accordingly the first electric valve 611, the second electric valve 612 and the drainage pump 61 are controlled to be opened, so that the liquid in the water accumulation tank 3 flows into the closed cold water tank 4 through the water return pipeline 6 under the action of the drainage pump 61, and the closed cold water is used for supplementing water for the vacuum pump 1, and recycling of the closed cold water is achieved. The water return pipe 6 is provided with a check valve 613 adjacent to the second electric valve 612 to prevent the liquid in the water return pipe 6 from flowing backwards, when the water level in the water accumulation tank 3 is lower than the floating ball 311, the sliding rod 310 moves downwards along the sliding channel 313 under the action of the spring 317, the liquid level detection device 312 detects the first sensing block 318, and then the first and second electric valves 611 and 612 and the drainage pump 61 are controlled to be opened, so that the liquid in the water accumulation tank stops being discharged.
Referring to fig. 4, a liquid level display module 22 is disposed on one side of the vapor-liquid separation tank 2, the liquid level display module 22 includes a display tube 221, a magnetic float 222, and a circular ring 223, a liquid inlet and a liquid outlet of the display tube 221 are respectively connected to the vapor-liquid separation tank 2 through flanges, the magnetic float 222 is disposed in the display tube 221, the circular ring 223 is sleeved on the display tube 221, the circular ring 223 is made of a magnetic material and forms a repulsive force with the magnetic float 222, when the liquid in the vapor-liquid separation tank 2 enters the display tube 221, the magnetic float 222 is floated by the liquid in the display tube 221, the circular ring 223 rises along the display tube 221, the outer surface of the display tube 221 has scale marks, and corresponding scales on the display tube 221 are checked through a position where the circular ring 223 stays, so that the height of the water level can be accurately read.
A water replenishing pipe is arranged between a water replenishing port of the vacuum pump 1 and the closed cold water tank 4, a water replenishing electromagnetic valve is arranged on the water replenishing pipe, a liquid level transmitter is arranged in the vapor-liquid separation tank 2, the control module is respectively and electrically connected with the water replenishing electromagnetic valve and the liquid level transmitter, preferably a DCS system is adopted as the control module in the utility model, when the liquid level transmitter detects that the water level in the vapor-liquid separation tank 2 is the lowest water level, the liquid level transmitter generates a signal to the control module, the control module controls the water replenishing electromagnetic valve to be opened accordingly, so that the liquid in the closed cold water tank 4 is used for replenishing water to the vacuum pump 1 through the water replenishing pipe until the liquid level transmitter detects that the water level in the vapor-liquid separation tank 2 reaches the normal water level, the liquid level transmitter generates a signal to the control module, the control module controls the water replenishing electromagnetic valve to be closed accordingly, therefore, water replenishing to the vacuum pump is stopped, waste of closed cold water is reduced, and recycling of liquid in the closed cold water tank is achieved.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and are not intended to limit the scope of the present invention, which is defined by the following claims.
Claims (9)
1. A vacuum pump water replenishing recovery system is characterized by comprising a plurality of vacuum pumps, a water accumulation tank and a closed cold water tank, the plurality of vacuum pumps are all provided with vapor-liquid separation tanks, the vapor-liquid separation tanks are all provided with exhaust pipes, the exhaust pipe is connected with an exhaust branch pipe, an overflow pipe is connected between the exhaust branch pipes of the vapor-liquid separation tank, the other end of the overflow pipe is connected with the water inlet of the water accumulation tank, so that the liquid in the vapor-liquid separation tank overflows and enters the water accumulation tank through the overflow pipe, a water return pipeline is connected between the water outlet pipe of the water accumulation tank and the closed cold water tank, the water return pipeline is provided with a drainage pump, the water accumulation tank is provided with a liquid level control module, the liquid level control module is electrically connected with the drainage pump, and the drainage pump is controlled by the liquid level control module to start and stop, so that liquid in the water accumulation tank is discharged into the closed cold water tank.
2. The vacuum pump water replenishing recovery system according to claim 1, wherein the liquid level control module comprises a sliding rod, a floating ball and a liquid level detection device, the upper portion of the water accumulating tank is provided with a sliding channel, sliding holes in sliding fit with the sliding rod are arranged at the top and the bottom of the sliding channel in a penetrating manner, the upper portion and the lower portion of the sliding rod are respectively provided with a first piston and a second piston in sliding fit with the sliding channel, a spring is arranged between the first piston and the top of the sliding channel, the floating ball is fixedly arranged at the bottom of the sliding rod, the sliding rod is provided with a first induction block and a second induction block, and the liquid level detection device detects the positions of the first induction block and the second induction block and is used for controlling the start and stop of the drainage pump.
3. The vacuum pump refill water recovery system of claim 2, wherein the inlet of the drain pump is provided with a first electrically operated valve, and the outlet of the drain pump is provided with a second electrically operated valve.
4. A vacuum pump refill system according to claim 3, wherein the return conduit is provided with a check valve adjacent to the second electrically operated valve.
5. The vacuum pump water replenishing recovery system according to claim 1, wherein a liquid level display module is arranged on one side of the vapor-liquid separation tank, the liquid level display module comprises a display tube, a magnetic float and a ring, a liquid inlet and a liquid outlet of the display tube are respectively connected with the vapor-liquid separation tank through flanges, the magnetic float is arranged in the display tube, the ring is sleeved on the display tube and forms a repulsive force with the magnetic float, so that the ring moves along the display tube under the action of the magnetic float.
6. The vacuum pump water replenishing recovery system according to claim 5, wherein the ring is made of a magnetic material.
7. The vacuum pump water replenishing recovery system according to claim 1, wherein a water replenishing pipe is arranged between the water replenishing port of the vacuum pump and the closed cold water tank, and a water replenishing electromagnetic valve is arranged on the water replenishing pipe.
8. The vacuum pump water replenishing recovery system according to claim 7, wherein a liquid level transmitter is arranged in the vapor-liquid separation tank.
9. The vacuum pump water replenishing recovery system according to claim 8, further comprising a control module, wherein the control module is electrically connected with the water replenishing solenoid valve and the liquid level transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708213.1U CN215672631U (en) | 2021-07-26 | 2021-07-26 | Vacuum pump moisturizing recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708213.1U CN215672631U (en) | 2021-07-26 | 2021-07-26 | Vacuum pump moisturizing recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672631U true CN215672631U (en) | 2022-01-28 |
Family
ID=79981556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708213.1U Active CN215672631U (en) | 2021-07-26 | 2021-07-26 | Vacuum pump moisturizing recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215672631U (en) |
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2021
- 2021-07-26 CN CN202121708213.1U patent/CN215672631U/en active Active
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