CN218151361U - Plunger pump packing leakage detection device - Google Patents
Plunger pump packing leakage detection device Download PDFInfo
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- CN218151361U CN218151361U CN202122671106.2U CN202122671106U CN218151361U CN 218151361 U CN218151361 U CN 218151361U CN 202122671106 U CN202122671106 U CN 202122671106U CN 218151361 U CN218151361 U CN 218151361U
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- floating ball
- guide rod
- water collecting
- collecting tank
- sensing guide
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Abstract
The utility model discloses a plunger pump packing leakage detection device, which belongs to the technical field of plunger pumps and comprises a water collecting tank, wherein a float switch is connected on the water collecting tank and is connected with a PLC control system; the float switch comprises a sensing guide rod, the sensing guide rod vertically and downwards extends in the water collecting tank, and a protective cover is arranged outside the sensing guide rod; an upper floating ball, a middle floating ball and a lower floating ball are sequentially arranged outside the sensing guide rod from top to bottom; the upper floating ball, the middle floating ball and the lower floating ball ascend and descend on the sensing guide rod in a fixed stroke; the upper floating ball, the middle floating ball and the lower floating ball respectively correspond to the high liquid level, the middle liquid level and the low liquid level of liquid in the water collecting tank; the utility model can accurately judge the leakage condition and improve the accuracy; can reduce intensity of labour, avoid the staff closely to observe the risk that faces, improve the security, have simple structure, the preparation is easy, low in production cost, the advantage that the practicality is strong.
Description
Technical Field
The utility model relates to a plunger pump packing leakage detection device belongs to plunger pump technical field.
Background
The leakage amount of the packing box of the plunger type reciprocating pump is increased along with the service time of the packing, under different working conditions, the abrasion degrees of the packing are different, so that the leakage condition of the packing box of different pumps cannot be judged in a set time. In order to reduce the labor intensity of personnel and avoid high-pressure risks faced when the personnel closely observe the stuffing box, a set of plunger type reciprocating pump stuffing box packing leakage monitoring device is designed by the company.
In view of the foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the leakage amount detection device for the plunger pump packing is provided, which can accurately judge the leakage condition and improve the accuracy; can reduce intensity of labour, avoid the staff closely to observe the risk that faces, improve the security, have simple structure, the preparation is easy, low in production cost, the advantage that the practicality is strong.
For solving the technical problem, the utility model discloses a following technical scheme: a plunger pump packing leakage detection device comprises a water collection tank, wherein a float switch is connected to the water collection tank and is connected with a PLC control system;
the float switch comprises a sensing guide rod, the sensing guide rod vertically and downwards extends in the water collecting tank, and a protective cover is arranged outside the sensing guide rod; an upper floating ball, a middle floating ball and a lower floating ball are sequentially arranged outside the sensing guide rod from top to bottom; the upper floating ball, the middle floating ball and the lower floating ball ascend and descend on the sensing guide rod in a fixed stroke; the upper floating ball, the middle floating ball and the lower floating ball respectively correspond to the high liquid level, the middle liquid level and the low liquid level of liquid in the water collecting tank.
Furthermore, the upper part, the middle part and the lower part of the sensing guide rod are respectively provided with a reed switch; magnets are arranged inside the upper floating ball, the middle floating ball and the lower floating ball;
the upper floating ball is matched with a reed pipe at the upper part of the sensing guide rod, the middle floating ball is matched with the reed pipe at the middle part of the sensing guide rod, and the lower floating ball is matched with the reed pipe at the lower part of the sensing guide rod.
Furthermore, one side of the upper part of the water collecting tank is provided with a liquid inlet and an overflow port; the overflow port is arranged below the liquid inlet.
Furthermore, one side of the bottom of the water collecting tank is connected with a liquid outlet pipeline, an electric valve is arranged on the liquid outlet pipeline, and the electric valve is connected with a PLC control system.
Furthermore, a drain outlet is formed in the bottom of the water collecting tank and is lower than the liquid outlet pipeline.
Furthermore, a junction box is arranged at the upper part of the sensing guide rod and is fixed on the top wall of the water collecting tank through a flange.
Furthermore, the protection casing is the tubular structure, the protection casing upper end is fixed on the roof of header tank, and other end opening and unsettled setting.
Furthermore, the upper floating ball, the middle floating ball and the lower floating ball are all arranged in the protective cover.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can accurately judge the leakage condition and improve the accuracy; can reduce intensity of labour, avoid the staff closely to observe the risk that faces, improve the security, have simple structure, the preparation is easy, low in production cost, advantage that the practicality is strong.
1. The utility model discloses can be applied to all oil field water injection stations, annotate and gather station, oil gas defeated station, unmanned on duty's notes adopt station etc. and need plunger pump packing to reveal the place that detects.
2. The utility model discloses can be applied to the monitoring rainfall, measure the rainfall of a period of time.
3. The utility model discloses can be applied to reservoir water storage capacity early warning, the water storage capacity of continuous monitoring a period.
4. The utility model discloses can be applied to all places that need measure the flow or the velocity of flow of water in a certain period of time.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, the position of the first and second end faces,
1-a water collecting tank, 2-a liquid inlet, 3-a liquid outlet pipeline, 4-an electric valve, 5-a floating ball switch, 6-a protective cover, 7-a sensing guide rod, 8-a junction box, 9-an upper floating ball, 10-a middle floating ball, 11-a lower floating ball, 12-an overflow port and 13-a sewage draining port.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the utility model provides a plunger pump packing leakage detection device, including header tank 1, connect float switch 5 on the header tank 1, float switch 5 is connected with PLC control system.
The float switch 5 comprises a sensing guide rod 7, a junction box 8 is arranged on the upper portion of the sensing guide rod 7, and the junction box 8 is fixed on the top wall of the water collecting tank 1 through a flange.
The sensing guide rod 7 vertically extends downwards in the water collecting tank 1, a protective cover 6 is arranged outside the sensing guide rod 7, the protective cover 6 is of a cylindrical structure, the upper end of the protective cover 6 is fixed on the top wall of the water collecting tank 1, and the other end of the protective cover is open and arranged in a suspended mode.
The upper part, the middle part and the lower part of the sensing guide rod 7 are respectively provided with a reed switch, and the outer part of the sensing guide rod 7 is sequentially provided with an upper floating ball 9, a middle floating ball 10 and a lower floating ball 11 from top to bottom; and magnets are arranged inside the upper floating ball 9, the middle floating ball 10 and the lower floating ball 11.
The upper floating ball 9, the middle floating ball 10 and the lower floating ball 11 are all arranged in the protective cover 6.
The upper floating ball 9, the middle floating ball 10 and the lower floating ball 11 ascend and descend on the sensing guide rod 7 by a fixed stroke to ensure that the floating balls float up and down along with the change of the liquid level; the upper floating ball 9 is matched with a reed switch at the upper part of the sensing guide rod 7, the middle floating ball 10 is matched with a reed switch at the middle part of the sensing guide rod 7, and the lower floating ball 11 is matched with a reed switch at the lower part of the sensing guide rod 7.
Go up floater 9, well floater 10 and lower floater 11 and correspond high liquid level, well liquid level and the low liquid level of liquid in the header tank 1 respectively.
One side of the upper portion of the water collecting tank 1 is provided with a liquid inlet 2, and the packing to be detected leaks water and enters the water collecting tank 1 through the liquid inlet 2.
One side of the bottom of the water collecting tank 1 is connected with a liquid outlet pipeline 3, an electric valve 4 is arranged on the liquid outlet pipeline 3, the electric valve 4 is connected with a PLC control system, and the electric valve 4 is preferably an electric butterfly valve.
The upper part of the water collecting tank 1 is also provided with an overflow port 12, and the overflow port 12 is arranged below the liquid inlet 2.
The bottom of the water collecting tank 1 is also provided with a drain outlet 13, and the drain outlet 13 is lower than the liquid outlet pipeline 3.
Adopt the utility model discloses detect the method of leakage:
1. the leaked water is drained into the water collecting tank through the liquid inlet, and the liquid level in the water collecting tank gradually rises from the low liquid level;
2. the PLC control system sets time t1 (t 1 is the time for the liquid level to rise from the middle liquid level to the high liquid level when the leakage rate of the packing is normal), and when the liquid level in the water collecting tank reaches the middle liquid level, the PLC control system starts to time; stopping timing when the liquid level reaches a high liquid level, and recording the time as t2;
3. when the liquid level reaches a high liquid level, the PLC control system compares t1 with t2;
a) When t1 is less than or equal to t2, the leakage amount is normal, and the system opens the electric valve to discharge liquid. When the liquid level reaches the low liquid level, the system closes the electric valve;
b) When t1 is more than or equal to t2, the leakage amount is too much, the system opens the electric valve to discharge liquid and simultaneously sends alarm information, and when the liquid level reaches a low liquid level, the system closes the electric valve;
c) When alarm information appears, if t1 is less than or equal to t2 next time and the leakage amount is normal, the alarm is cancelled; if the next time t1 is larger than or equal to t2, the leakage amount is too much, and the alarm information is continuously displayed.
The above description is illustrative of the best mode contemplated for carrying out the present invention and the details not specifically mentioned are within the common general knowledge of those skilled in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (8)
1. The utility model provides a plunger pump packing leakage quantity detection device which characterized in that: the device comprises a water collecting tank (1), wherein a float switch (5) is connected to the water collecting tank (1), and the float switch (5) is connected with a PLC control system;
the float switch (5) comprises a sensing guide rod (7), the sensing guide rod (7) vertically extends downwards in the water collecting tank (1), and a protective cover (6) is arranged outside the sensing guide rod (7); an upper floating ball (9), a middle floating ball (10) and a lower floating ball (11) are sequentially arranged outside the sensing guide rod (7) from top to bottom; the upper floating ball (9), the middle floating ball (10) and the lower floating ball (11) ascend and descend on the sensing guide rod (7) in a fixed stroke; the upper floating ball (9), the middle floating ball (10) and the lower floating ball (11) respectively correspond to the high liquid level, the middle liquid level and the low liquid level of liquid in the water collecting tank (1).
2. The plunger pump packing leakage detection device of claim 1, characterized in that: the upper part, the middle part and the lower part of the interior of the sensing guide rod (7) are respectively provided with a reed switch; magnets are arranged inside the upper floating ball (9), the middle floating ball (10) and the lower floating ball (11);
the upper floating ball (9) is matched with a reed switch at the upper part of the sensing guide rod (7), the middle floating ball (10) is matched with the reed switch at the middle part of the sensing guide rod (7), and the lower floating ball (11) is matched with the reed switch at the lower part of the sensing guide rod (7).
3. The plunger pump packing leakage detection device of claim 1, characterized in that: a liquid inlet (2) and an overflow port (12) are arranged on one side of the upper part of the water collecting tank (1); the overflow port (12) is arranged below the liquid inlet (2).
4. The plunger pump packing leakage detection device of claim 1, characterized in that: one side of the bottom of the water collecting tank (1) is connected with a liquid outlet pipeline (3), an electric valve (4) is arranged on the liquid outlet pipeline (3), and the electric valve (4) is connected with a PLC control system.
5. The plunger pump packing leakage detection device of claim 4, wherein: the bottom of the water collecting tank (1) is provided with a drain outlet (13), and the drain outlet (13) is lower than the liquid outlet pipeline (3).
6. The plunger pump packing leakage detection device of claim 1, characterized in that: the upper portion of sensing guide arm (7) is equipped with terminal box (8), terminal box (8) are fixed on the roof of header tank (1) through the flange.
7. The plunger pump packing leakage detection device of claim 1, characterized in that: the protection casing (6) are of a cylindrical structure, the upper end of the protection casing (6) is fixed on the top wall of the water collecting tank (1), and the other end of the protection casing is opened and suspended.
8. The plunger pump packing leakage detection device of claim 7, wherein: the upper floating ball (9), the middle floating ball (10) and the lower floating ball (11) are all arranged in the protective cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671106.2U CN218151361U (en) | 2021-11-03 | 2021-11-03 | Plunger pump packing leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122671106.2U CN218151361U (en) | 2021-11-03 | 2021-11-03 | Plunger pump packing leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151361U true CN218151361U (en) | 2022-12-27 |
Family
ID=84549803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122671106.2U Active CN218151361U (en) | 2021-11-03 | 2021-11-03 | Plunger pump packing leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151361U (en) |
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2021
- 2021-11-03 CN CN202122671106.2U patent/CN218151361U/en active Active
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