CN219242231U - Leakage protection system of centrifugal pump - Google Patents
Leakage protection system of centrifugal pump Download PDFInfo
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- CN219242231U CN219242231U CN202320231130.0U CN202320231130U CN219242231U CN 219242231 U CN219242231 U CN 219242231U CN 202320231130 U CN202320231130 U CN 202320231130U CN 219242231 U CN219242231 U CN 219242231U
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- centrifugal pump
- water inlet
- water outlet
- flap valve
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Abstract
The utility model discloses a leakage protection system of a centrifugal pump, which comprises a base arranged on the ground, wherein a centrifugal pump is arranged on the base, a water inlet of the centrifugal pump is connected with a water inlet pipe, a water outlet of the centrifugal pump is connected with a water outlet pipe, a water inlet electric flap valve is arranged on the water inlet pipe, a water outlet electric flap valve is arranged on the water outlet pipe, a water inlet pressure sensor is arranged at the water inlet of the centrifugal pump, and a water outlet pressure sensor is arranged at the water outlet of the centrifugal pump; a water drainage groove is formed in the ground around the base, and a water immersion sensor is arranged in the middle of the water drainage groove. When the water inlet and the water outlet of the centrifugal pump are leaked, the controller controls the motor of the centrifugal pump to stop, and simultaneously controls the water inlet electric flap valve and the water outlet electric flap valve to be closed, so that the water source is cut off, the pump room is prevented from being submerged by leakage, other matched equipment is prevented from being damaged, and normal water supply between the pump room and the centrifugal pump is ensured.
Description
Technical field:
the utility model relates to the field of industrial water treatment, in particular to a leakage protection system of a centrifugal pump.
The background technology is as follows:
before industrial water is used, water resources are required to be treated, sundries, floaters and suspended matters in the water are respectively removed, three-stage pump rooms are required to carry out water transportation in the whole treatment process, a plurality of water pumps are arranged in each pump room, and a plurality of centrifugal pumps in the third-stage pump room mainly supply water to industrial users.
In actual production, the use quantity of the centrifugal pump can be adjusted according to the actual water consumption of an industrial park, so that part of the centrifugal pumps are in a stop state, if the centrifugal pumps and the attached equipment are required to be checked or overhauled, but along with the increase of the service life, the interface of the centrifugal pumps is likely to leak, the pump house can be submerged rapidly if the leakage occurs due to the fact that the power of the centrifugal pumps is high, the three-stage pump house stops operating normally, a large amount of time is required for maintenance, raw water resources cannot be obtained by industrial users, and huge economic loss is caused.
The utility model comprises the following steps:
the utility model aims to provide a leakage protection system of a centrifugal pump.
The utility model is implemented by the following technical scheme:
the leakage protection system of the centrifugal pump comprises a base which is arranged on the ground, wherein a centrifugal pump is arranged on the base, a water inlet of the centrifugal pump is connected with a water inlet pipe, a water outlet of the centrifugal pump is connected with a water outlet pipe, a water inlet electric flap valve is arranged on the water inlet pipe, a water outlet electric flap valve is arranged on the water outlet pipe, a water inlet pressure sensor is arranged at the water inlet of the centrifugal pump, and a water outlet pressure sensor is arranged at the water outlet of the centrifugal pump; a water drainage groove is formed in the ground around the base, and a water immersion sensor is arranged in the middle of the water drainage groove; the signal output ends of the water inlet pressure sensor, the water outlet pressure sensor and the water immersion sensor are electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with the signal input ends of the motors of the water inlet electric flap valve, the water outlet electric flap valve and the centrifugal pump.
Preferably, a filter screen is installed at the top of the drain tank.
Preferably, the edge of the drainage channel is provided with a bevel for guiding the drainage channel.
The utility model has the advantages that: when the water inlet and the water outlet of the centrifugal pump are leaked, the controller controls the motor of the centrifugal pump to stop, and simultaneously controls the water inlet electric flap valve and the water outlet electric flap valve to be closed, so that the water source is cut off, the pump room is prevented from being submerged by leakage, other matched equipment is prevented from being damaged, and normal water supply between the pump room and the centrifugal pump is ensured.
Description of the drawings:
FIG. 1 is a top view of the present utility model;
FIG. 2 is a schematic view of the structure of the drain tank of the present utility model;
fig. 3 is a schematic structural view of the present utility model.
In the figure: the centrifugal pump comprises a base 1, a centrifugal pump 2, a water inlet pipe 3, a water outlet pipe 4, a water inlet electric flap valve 5, a water outlet electric flap valve 6, a water inlet pressure sensor 7, a water outlet pressure sensor 8, a water outlet groove 9, a water immersion sensor 10, a controller 11 and a filter screen 12.
The specific embodiment is as follows:
as shown in fig. 1 to 3, a leakage protection system for a centrifugal pump comprises a base 1 installed on the ground, wherein a centrifugal pump 2 is installed on the base 1, a water inlet of the centrifugal pump 2 is connected with a water inlet pipe 3, a water outlet of the centrifugal pump 2 is connected with a water outlet pipe 4, a water inlet electric flap valve 5 is installed on the water inlet pipe 3, a water outlet electric flap valve 6 is installed on the water outlet pipe 4, a water inlet pressure sensor 7 is installed at a water inlet of the centrifugal pump 2, and a water outlet pressure sensor 8 is installed at a water outlet of the centrifugal pump 2; a water drainage groove 9 is formed in the ground around the base 1, and a water immersion sensor 10 is arranged in the middle of the water drainage groove 9; the signal output ends of the water inlet pressure sensor 7, the water outlet pressure sensor 8 and the water immersion sensor 10 are electrically connected with the signal input end of the controller 11, and the signal output end of the controller 11 is electrically connected with the signal input ends of the water inlet electric flap valve 5, the water outlet electric flap valve 6 and the motor of the centrifugal pump 2;
during normal operation, the centrifugal pump 2 pumps the incoming water of the water inlet pipe 3 to the water outlet pipe 4, the water inlet pressure sensor 7 and the water outlet pressure sensor 8 respectively detect the pressure values of the water inlet and the water outlet of the centrifugal pump 2, and after the centrifugal pump 2 is pressurized, the pressure value reached by the water outlet pressure sensor 8 is within the pressure range of a preset interval;
when the water inlet and the water outlet of the centrifugal pump 2 leak, the pressure measured by the water outlet pressure sensor 8 is reduced, the water inlet pressure sensor 7 is reduced in the same proportion, meanwhile, the leaked water is discharged into the water discharge groove 9, the water level reaches the height of the water immersion sensor 10, after meeting all the conditions, the controller 11 controls the motor of the centrifugal pump 2 to stop, and simultaneously controls the water inlet electric flap valve 5 and the water discharge electric flap valve 6 to close, so that the water source is cut off, the pump room is prevented from being submerged by leaked water, other matched equipment is prevented from being damaged, and normal water supply with the centrifugal pump 2 is ensured.
The filter screen 12 is arranged at the top of the water drainage tank 9, and the filter screen 12 can prevent sundries with larger volume on the ground from entering the water drainage tank 9, so as to avoid the failure of the water sensor 10 caused by the sundries.
The edge of the drainage groove 9 is provided with an inclined plane guiding the drainage groove 9, and the inclined plane can guide water leaked from the ground into the drainage groove 9 rapidly.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (3)
1. The leakage protection system for the centrifugal pump is characterized by comprising a base which is arranged on the ground, wherein a centrifugal pump is arranged on the base, a water inlet of the centrifugal pump is connected with a water inlet pipe, a water outlet of the centrifugal pump is connected with a water outlet pipe, a water inlet electric flap valve is arranged on the water inlet pipe, a water outlet electric flap valve is arranged on the water outlet pipe, a water inlet pressure sensor is arranged at the water inlet of the centrifugal pump, and a water outlet pressure sensor is arranged at the water outlet of the centrifugal pump; a water drainage groove is formed in the ground around the base, and a water immersion sensor is arranged in the middle of the water drainage groove; the signal output ends of the water inlet pressure sensor, the water outlet pressure sensor and the water immersion sensor are electrically connected with the signal input end of the controller, and the signal output end of the controller is electrically connected with the signal input ends of the motors of the water inlet electric flap valve, the water outlet electric flap valve and the centrifugal pump.
2. A centrifugal pump leakage protection system according to claim 1, wherein a screen is mounted on top of the drain tank.
3. A centrifugal pump leakage protection system according to claim 1 or 2, wherein the edge of the drain channel is provided with a bevel leading to the drain channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320231130.0U CN219242231U (en) | 2023-02-09 | 2023-02-09 | Leakage protection system of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320231130.0U CN219242231U (en) | 2023-02-09 | 2023-02-09 | Leakage protection system of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219242231U true CN219242231U (en) | 2023-06-23 |
Family
ID=86807582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320231130.0U Active CN219242231U (en) | 2023-02-09 | 2023-02-09 | Leakage protection system of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219242231U (en) |
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2023
- 2023-02-09 CN CN202320231130.0U patent/CN219242231U/en active Active
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