CN204532788U - Pump valve fault diagnosis system of polymer injection pump - Google Patents
Pump valve fault diagnosis system of polymer injection pump Download PDFInfo
- Publication number
- CN204532788U CN204532788U CN201520034041.2U CN201520034041U CN204532788U CN 204532788 U CN204532788 U CN 204532788U CN 201520034041 U CN201520034041 U CN 201520034041U CN 204532788 U CN204532788 U CN 204532788U
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- China
- Prior art keywords
- pressure
- pipe
- valve
- pump
- suction valve
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- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 229920000642 polymer Polymers 0.000 title claims abstract description 27
- 238000003745 diagnosis Methods 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000010079 rubber tapping Methods 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 15
- 238000001802 infusion Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model provides an annotate and gather pump valve fault diagnosis system, include: the first pressure device is connected with one side of a liquid inlet pipe of the polymer injection pump; one end of the liquid inlet pipe is connected with one end of the suction valve; the other end of the suction valve is connected with one end of the pressure cavity; one side of the pressure cavity is connected with a second pressure device, the other side of the pressure cavity is connected with the plunger pump, and the other end of the pressure cavity is connected with one end of the discharge valve; the other end of the discharge valve is connected with a liquid discharge pipe; one side of the liquid discharge pipe is connected with a third pressure device; when a first pressure value monitored by the second pressure device exceeds a preset first pressure range, determining that the suction valve has a fault; determining that the discharge valve has a fault when the first pressure value exceeds a preset second pressure range; therefore, whether the suction valve and the discharge valve have faults or not can be accurately judged in the operation process of the polymer injection pump.
Description
Technical Field
The invention belongs to the technical field of petroleum machinery, and particularly relates to a fault diagnosis system for a pump valve of a polymer injection pump.
Background
In the tertiary oil recovery process, chemical agents are usually added into the oil layer in order to improve the recovery rate of crude oil, and a polymer injection pump is a main device for injecting the chemical agents into the stratum. However, when the polymer injection pump is in operation, the suction valve and the discharge valve of the polymer injection pump are often damaged and lost, and in the prior art, the positions of the damaged suction valve and the discharge valve and the lost position are judged mainly by listening to sound of an operator or the polymer injection pump is opened for checking to determine the lost positions of the suction valve and the discharge valve. In the method, the error of listening judgment is larger; the opening inspection affects normal production, and the requirement that whether the suction valve and the discharge valve are damaged or not can be accurately judged in the running process of the polymer injection pump cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a fault diagnosis system for a pump valve of a polymer injection pump, which is used for solving the technical problem that whether faults exist in a suction valve and a discharge valve of the polymer injection pump or not can not be accurately judged in the prior art.
The invention provides a fault diagnosis system for a pump valve of a polymer injection pump, which comprises:
the first pressure device is connected with one side of a liquid inlet pipe of the polymer injection pump;
one end of the liquid inlet pipe is connected with one end of the suction valve;
the other end of the suction valve is connected with one end of the pressure cavity;
one side of the pressure cavity is connected with a second pressure device, the other side of the pressure cavity is connected with the plunger pump, and the other end of the pressure cavity is connected with one end of the discharge valve;
the other end of the discharge valve is connected with a liquid discharge pipe;
one side of the liquid discharge pipe is connected with a third pressure device; wherein,
when the first pressure value monitored by the second pressure device exceeds a preset first pressure range, determining that the suction valve has a fault; and determining that the discharge valve has a fault when the first pressure value exceeds a preset second pressure range.
In the above solution, the system further includes: a first pressure tapping hole; wherein, the first pressure device is connected with one side of the liquid inlet pipe of the polymer injection pump through the first pressure taking hole.
In the above aspect, the first pressure device includes:
one end of the first pressure sampling pipe is connected with the first pressure sampling hole, and the other end of the first pressure sampling pipe is connected with one end of the suction valve pipe;
the other end of the suction valve pipe is connected with one end of the first control gate;
the other end of the first control gate is connected with a first pressure gauge.
In the above solution, the system further includes: and one side of the pressure cavity is connected with a second pressure device through the second pressure taking hole.
In the above aspect, the second pressure device includes:
one end of the second pressure obtaining pipe is connected with the second pressure obtaining hole, and the other end of the second pressure obtaining pipe is connected with one end of a third pressure obtaining pipe;
the other end of the third pressure taking pipe is connected with the second control gate, and one side of the third pressure taking pipe is connected with one end of the emptying pipe;
the other end of the emptying pipe is connected with an emptying valve;
and the other end of the second control gate is connected with a second pressure gauge.
In the above solution, the system further includes: and one side of the liquid discharge pipe is connected with a third pressure device through the third pressure taking hole.
In the above aspect, the third pressure device includes:
one end of the fourth pressure taking pipe is connected with one end of the third pressure taking hole, and the other end of the fourth pressure taking pipe is connected with one end of the discharge valve pipe;
the other end of the discharge valve pipe is connected with one end of a third control gate;
and the other end of the third control gate is connected with a third pressure gauge.
The invention provides a fault diagnosis system for a pump valve of a polymer injection pump, which comprises: the first pressure device is connected with one side of a liquid inlet pipe of the polymer injection pump; one end of the liquid inlet pipe is connected with one end of the suction valve; the other end of the suction valve is connected with one end of the pressure cavity; one side of the pressure cavity is connected with a second pressure device, the other side of the pressure cavity is connected with the plunger pump, and the other end of the pressure cavity is connected with one end of the discharge valve; the other end of the discharge valve is connected with a liquid discharge pipe; one side of the liquid discharge pipe is connected with a third pressure device; when a first pressure value monitored by the second pressure device exceeds a preset first pressure range, determining that the suction valve has a fault; determining that the discharge valve has a fault when the first pressure value exceeds a preset second pressure range; therefore, whether the suction valve and the discharge valve have faults or not can be accurately judged in the operation process of the polymer injection pump.
Drawings
Fig. 1 is the utility model provides an injection pump valve fault diagnosis system schematic diagram.
Description of reference numerals:
1-a first pressure device; 2-liquid inlet pipe; 3-a suction valve; 4-a pressure chamber; 5-a second pressure device; 6-plunger pump; 7-a discharge valve; 8-a liquid discharge pipe; 9-a third pressure device; 10-a first pressure tapping hole; 11-a second pressure tapping hole; 12-a third pressure tapping hole; 13-third pressure tapping hole; 101-a first pressure tapping pipe; 102-a suction valve tube; 103-a first control gate; 104-a first pressure gauge; 51-a second pressure tapping pipe; 52-third pressure tapping pipe; 53-a second control gate; 54-a blow-down pipe; 55-a blow-down valve; 56-second pressure gauge; 91-a fourth pressure tapping pipe; 92-a discharge valve tube; 93-a third control gate; 94-third pressure gauge.
Detailed Description
In order to accurately judge whether a pump valve of a polymer injection pump has a fault or not in the operation of the polymer injection pump, the invention provides a fault diagnosis system for the pump valve of the polymer injection pump, which comprises: the first pressure device is connected with one side of a liquid inlet pipe of the polymer injection pump; one end of the liquid inlet pipe is connected with one end of the suction valve; the other end of the suction valve is connected with one end of the pressure cavity; one side of the pressure cavity is connected with a second pressure device, the other side of the pressure cavity is connected with the plunger pump, and the other end of the pressure cavity is connected with one end of the discharge valve; the other end of the discharge valve is connected with a liquid discharge pipe; one side of the liquid discharge pipe is connected with a third pressure device; when a first pressure value monitored by the second pressure device exceeds a preset first pressure range, determining that the suction valve has a fault; and determining that the discharge valve has a fault when the first pressure value exceeds a preset second pressure range.
The technical solution of the present invention is further described in detail by the accompanying drawings and the specific embodiments.
The present embodiment provides a failure diagnosis system for a pump valve of an infusion pump, as shown in fig. 1, the system includes: the device comprises a first pressure device 1, a liquid inlet pipe 2, a suction valve 3, a pressure cavity 4, a second pressure device 5, a plunger pump 6, a discharge valve 7, a liquid discharge pipe 8 and a third pressure device 9; wherein,
the first pressure device 1 is connected with one side of the liquid inlet pipe 2 of the polymer injection pump and used for monitoring a second pressure value of the liquid inlet pipe 2.
One end of the liquid inlet pipe 2 is connected with one end of the suction valve 3 through threads; the other end of the suction valve 3 is connected with one end of the pressure chamber 4 through screw threads.
One side of the pressure chamber 4 is connected to a second pressure device 5, which second pressure device 5 is used to monitor a first pressure value of the pressure chamber 4.
The other side of the pressure chamber 4 is connected with a plunger pump 6 through threads, and the other end of the pressure chamber 4 is connected with one end of a discharge valve 7 through threads; the other end of the discharge valve 7 is connected with a drain pipe 8 through threads.
One side of the liquid discharge pipe 8 is connected with a third pressure device 9, and the third pressure device 9 is used for monitoring a third pressure value of the liquid discharge pipe 8.
Here, the system further includes: a first pressure tapping hole 10; wherein, the first pressure device 1 is connected with one side of the liquid inlet pipe 2 of the polymer injection pump through the first pressure taking hole 10.
The first pressure device 1 includes: a first pressure sampling pipe 101, a suction valve pipe 102, a first control gate 103 and a first pressure gauge 104; wherein,
one end of the first pressure sampling pipe 101 is connected with the first pressure sampling hole 10 in a clamping manner; the other end of the first pressure sampling pipe 101 is connected with one end of the suction valve pipe 102 through threads; the other end of the suction valve pipe 102 is connected with one end of a first control gate 103 through a thread; the other end of the first control gate 103 is connected with a first pressure gauge 104 through threads.
Here, the system further includes: a second pressure tapping hole 11, through which one side of the pressure chamber 4 is connected to the second pressure device 5.
The second pressure means 5 comprise: a second pressure taking pipe 51, a third pressure taking pipe 52, a second control gate 53, a vent pipe 54, a vent valve 55 and a second pressure gauge 56; wherein,
one end of the second pressure sampling pipe 51 is connected with the second pressure sampling hole 11 in a clamping manner, and the other end of the second pressure sampling pipe 51 is connected with one end of a third pressure sampling pipe 52;
the other end of the third pressure tapping pipe 52 is connected with a second control gate 53 through threads, and one side of the third pressure tapping pipe 52 is connected with one end of a vent pipe 54 through welding;
the other end of the emptying pipe 54 is connected with an emptying valve 55 through threads; the other end of the second control gate 53 is connected with a second pressure gauge 56 through a screw thread.
Here, the system further includes: and one side of the liquid discharge pipe 8 is connected with a third pressure device 9 through the third pressure taking hole 13.
The third pressure means 9 comprise: a fourth pressure sampling pipe 91, a discharge valve pipe 92, a third control gate 93 and a third pressure gauge 94; wherein,
one end of the fourth pressure tapping pipe 91 is connected with one end of the third pressure tapping hole 13 in a clamping manner, and the other end of the fourth pressure tapping pipe 91 is connected with one end of the discharge valve pipe 92 through threads; the other end of the discharge valve pipe 92 is connected with one end of a third control gate 93 through a screw thread; the other end of the third control gate 93 is connected with a third pressure gauge 94 through a screw thread.
In practical application, when a first pressure value monitored by the second pressure device 5 exceeds a preset first pressure range, determining that the suction valve 3 has a fault; when the first pressure value exceeds a preset second pressure range, it is determined that the discharge valve 7 is malfunctioning.
Wherein the first pressure range specifically includes: the first pressure value is within +/-10% of a second pressure value, and the second pressure value can be 0.8-1.2 MPa.
The second pressure range specifically includes: the first pressure value is within +/-10% of the third pressure value, and the third pressure value can be 8-12 Mpa.
Specifically, when the second pressure value is detected to be ± 10% of the third pressure value while the injection pump is operating normally, it is determined that the discharge valve 7 is malfunctioning. Further, the plunger pump 6 is stopped, clean water is injected into the liquid inlet pipe 2, the emptying valve 55 is opened for observation, and if the water outlet of the emptying valve 55 is clear and the water outlet amount is large, the leakage of the discharge valve 7 is further proved.
In addition, when the second pressure value is detected to exceed the first pressure value by +/-10% when the polymer injection pump operates normally, the suction valve 3 is determined to have a fault. Further, the plunger pump 6 is stopped, clean water is injected into the liquid inlet pipe 2, the emptying valve 55 is opened for observation, and if the water outlet of the emptying valve 55 is foamed and the water outlet amount is small, the suction valve 2 is further proved to have leakage.
The utility model provides an annotate and gather pump valve fault diagnosis system, annotating and gathering the pump operation in-process, can confirm through pressure whether there is the trouble in suction valve or discharge valve to the accurate determination annotates and gathers the leakage position of pump, and then has improved production efficiency.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (7)
1. An infusion pump valve fault diagnostic system, the system comprising:
the first pressure device is connected with one side of a liquid inlet pipe of the polymer injection pump;
one end of the liquid inlet pipe is connected with one end of the suction valve;
the other end of the suction valve is connected with one end of the pressure cavity;
one side of the pressure cavity is connected with a second pressure device, the other side of the pressure cavity is connected with the plunger pump, and the other end of the pressure cavity is connected with one end of the discharge valve;
the other end of the discharge valve is connected with a liquid discharge pipe;
and one side of the liquid discharge pipe is connected with the third pressure device.
2. The system of claim 1, wherein the system further comprises: a first pressure tapping hole; wherein, the first pressure device is connected with one side of the liquid inlet pipe of the polymer injection pump through the first pressure taking hole.
3. The system of claim 2, wherein the first pressure device comprises:
one end of the first pressure sampling pipe is connected with the first pressure sampling hole, and the other end of the first pressure sampling pipe is connected with one end of the suction valve pipe;
the other end of the suction valve pipe is connected with one end of the first control gate;
the other end of the first control gate is connected with a first pressure gauge.
4. The system of claim 1, wherein the system further comprises: and one side of the pressure cavity is connected with a second pressure device through the second pressure taking hole.
5. The system of claim 4, wherein the second pressure device comprises:
one end of the second pressure obtaining pipe is connected with the second pressure obtaining hole, and the other end of the second pressure obtaining pipe is connected with one end of a third pressure obtaining pipe;
the other end of the third pressure taking pipe is connected with the second control gate, and one side of the third pressure taking pipe is connected with one end of the emptying pipe;
the other end of the emptying pipe is connected with an emptying valve;
and the other end of the second control gate is connected with a second pressure gauge.
6. The system of claim 1, wherein the system further comprises: and one side of the liquid discharge pipe is connected with a third pressure device through the third pressure taking hole.
7. The system of claim 6, wherein the third pressure device comprises:
one end of the fourth pressure taking pipe is connected with one end of the third pressure taking hole, and the other end of the fourth pressure taking pipe is connected with one end of the discharge valve pipe;
the other end of the discharge valve pipe is connected with one end of a third control gate;
and the other end of the third control gate is connected with a third pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034041.2U CN204532788U (en) | 2015-01-19 | 2015-01-19 | Pump valve fault diagnosis system of polymer injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520034041.2U CN204532788U (en) | 2015-01-19 | 2015-01-19 | Pump valve fault diagnosis system of polymer injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532788U true CN204532788U (en) | 2015-08-05 |
Family
ID=53746797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520034041.2U Expired - Fee Related CN204532788U (en) | 2015-01-19 | 2015-01-19 | Pump valve fault diagnosis system of polymer injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671313A (en) * | 2019-08-21 | 2020-01-10 | 云南大红山管道有限公司 | Automatic detection system and detection method for fault of one-way valve of piston diaphragm pump |
-
2015
- 2015-01-19 CN CN201520034041.2U patent/CN204532788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671313A (en) * | 2019-08-21 | 2020-01-10 | 云南大红山管道有限公司 | Automatic detection system and detection method for fault of one-way valve of piston diaphragm pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150805 |