CN209293980U - A kind of high-pressure booster protection system - Google Patents
A kind of high-pressure booster protection system Download PDFInfo
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- CN209293980U CN209293980U CN201822061552.XU CN201822061552U CN209293980U CN 209293980 U CN209293980 U CN 209293980U CN 201822061552 U CN201822061552 U CN 201822061552U CN 209293980 U CN209293980 U CN 209293980U
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Abstract
The utility model relates to a kind of high-pressure boosters to protect system, and include: pressure transmitter is arranged in the downstream line of high-pressure booster oil outlet, detects the oil outlet pressure value of high-pressure booster；PLC is connect with pressure transmitter, is received the oil outlet pressure value of high-pressure booster, is judged whether it is in the safe range of downhole safety valve opening pressure；Solenoid valve is arranged in the upstream line of high-pressure booster oil inlet, adjacent with high-pressure booster, and connect with PLC；When PLC judges to obtain safe range lower limit of the oil outlet pressure value lower than downhole safety valve opening pressure of high-pressure booster, control solenoid valve is opened, and high-pressure booster is made to open pressurization work；When PLC judges to obtain the safe range upper limit of the oil outlet pressure value higher than downhole safety valve opening pressure of high-pressure booster, control solenoid valve is closed, and high-pressure booster is made to stop pressurization work.The utility model can effectively avoid high-pressure booster frequent starting, substantially prolong its service life.
Description
Technical field
The utility model relates to a kind of high-pressure booster protection systems, in particular to one kind to be used for well head safe control system
High-pressure booster protect system, belong to the manufacturing technical field of petroleum equipment.
Background technique
Currently, the gas well of large quantities of high pressure high yields is constantly being found with the exploration energetically of China western part oil gas field.By
In the needs of production safety, the gas well of these high pressure high yields must all install storm valve, and this requires well head safes to control
It is higher and higher (generally up to 30000PSI) that system controls the pressure that storm valve is opened.
In the prior art, the hyperpressure that most well head safe control system control storm valve is opened uses booster pump
To complete.It in actual application, is influenced by temperature or other factors, well head safe control system controls storm valve
The pressure of unlatching can be declined, and high-pressure booster will start to work at this time；As long as but the well of well head safe control system
Lower opening pressure of safety valve is on safety value, then storm valve would not close, in this case, as long as downhole safety
The pressure that valve is opened slightly fluctuates, and will result in the frequent operation of high-pressure booster, to reduce the use longevity of high-pressure booster
Life.
Based on above-mentioned, the utility model proposes a kind of safe and reliable high-pressure boosters to protect system, to solve existing skill
Disadvantage present in art and limitation.
Utility model content
The purpose of the utility model is to provide a kind of high-pressure boosters to protect system, the height detected according to pressure transmitter
The start and stop for pressing the oil outlet pressure value control high-pressure booster of booster pump, effectively avoid the frequent starting of high-pressure booster, substantially
It prolongs its service life.
In order to achieve the above object, the utility model proposes a kind of high-pressure boosters to protect system, includes: pressure inverting
Device is arranged in the downstream line of high-pressure booster oil outlet, detects the oil outlet pressure value of high-pressure booster；PLC, with pressure
Transmitter connection, receives the oil outlet pressure value of the high-pressure booster detected, and judge whether it opens in storm valve
It opens in the safe range of pressure；Solenoid valve is arranged in the upstream line of high-pressure booster oil inlet, adjacent with high-pressure booster
Setting, and connect with PLC；When the oil outlet pressure value that PLC judges to obtain high-pressure booster is lower than downhole safety valve opening pressure
Safe range lower limit, control solenoid valve open, make high-pressure booster open pressurization work；When PLC judges to obtain high pressure increasing
The oil outlet pressure value of press pump is higher than the upper limit of the safe range of downhole safety valve opening pressure, and control solenoid valve is closed, and makes height
Booster pump is pressed to stop pressurization work.
The pressure transmitter is arranged in the downstream line of high-pressure booster oil outlet by the first needle-valve.
The high-pressure booster protection system also includes accumulator, and the oil outlet downstream line of high-pressure booster is arranged in
On, and between high-pressure booster and pressure transmitter, compensate the oil outlet pressure value of high-pressure booster.
The accumulator is arranged in the downstream line of high-pressure booster oil outlet by the second needle-valve.
The high-pressure booster protection system also includes oil outlet pressure gauge, is arranged under high-pressure booster oil outlet
On play pipe road, the oil outlet pressure value of real-time display high-pressure booster.
The oil outlet pressure gauge is arranged in the downstream line of high-pressure booster oil outlet by third needle-valve.
The high-pressure booster protection system also includes check valve, and the downstream line of high-pressure booster oil outlet is arranged in
On, and be disposed adjacent with high-pressure booster, prevent adverse current.
The high-pressure booster protection system also includes pressure reducing valve, and the upstream line of high-pressure booster oil inlet is arranged in
On front end, for high-pressure booster provide decompression after steady pressure.
The high-pressure booster protection system also includes inlet pressure table, and the upper of high-pressure booster oil inlet is arranged in
On play pipe road, the inlet pressure value of real-time display high-pressure booster.
The inlet pressure table is arranged in the upstream line of high-pressure booster oil inlet by the 4th needle-valve.
In conclusion high-pressure booster described in the utility model protects system, when the high pressure that pressure transmitter detects
When the oil outlet pressure value of booster pump is lower than the lower limit of the safe range of downhole safety valve opening pressure, opening solenoid valve makes high pressure
Booster pump opens work, when the oil outlet pressure value for the high-pressure booster that pressure transmitter detects is opened higher than storm valve
When the upper limit of the safe range of pressure, closing solenoid valve makes high-pressure booster stop working, to effectively avoid high-pressure booster
Frequent starting, substantially prolong its service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the high-pressure booster protection system in the utility model.
Specific embodiment
Below in conjunction with Fig. 1, by preferred embodiment to the technology contents of the utility model, construction feature, reached purpose
And effect is described in detail.
As shown in Figure 1, protecting system for high-pressure booster provided by the utility model, include: pressure transmitter 8, setting
In the downstream line of the oil outlet of high-pressure booster 4, the oil outlet pressure value of high-pressure booster 4 is detected；PLC
(Programmable Logic Controller, programmable logic controller (PLC)), is not shown in Figure 1, with pressure transmitter
8 connections, receive the oil outlet pressure value of the high-pressure booster 4 detected and judge whether it is in downhole safety valve opening pressure
Safe range in；Solenoid valve 3 is arranged in the upstream line of the oil inlet of high-pressure booster 4, adjacent with high-pressure booster 4
Setting, and connect with PLC；When the oil outlet pressure value that PLC judges to obtain high-pressure booster 4 is lower than downhole safety valve opening pressure
Safe range lower limit, control solenoid valve 3 open, make high-pressure booster 4 open pressurization work；When PLC judges to obtain high pressure
The oil outlet pressure value of booster pump 4 is higher than the upper limit of the safe range of downhole safety valve opening pressure, and control solenoid valve 3 is closed,
High-pressure booster 4 is set to stop pressurization work.
In the preferred embodiment of the utility model, high-pressure booster 4 that the pressure transmitter 8 will test it is fuel-displaced
After mouth pressure value is converted to the electric signal of 4mA~20mA, then it is transmitted to PLC.
In the preferred embodiment of the utility model, the pressure transmitter 8 is arranged by the first needle-valve 12 and is increased in high pressure
In the downstream line of the oil outlet of press pump 4, when pressure transmitter 8, which breaks down, to be damaged, can by close the first needle-valve 12 into
Row isolation, is realized in the case where ensuring that high-pressure booster protects system worked well to the maintenance of the pressure transmitter 8 or more
It changes.
The high-pressure booster protection system also includes accumulator 6, and the downstream of the oil outlet of high-pressure booster 4 is arranged in
On pipeline, and between high-pressure booster 4 and pressure transmitter 8；When solenoid valve 3 is opened, high-pressure booster 4 opens pressurization
Work, and pressurising is carried out to accumulator 6 simultaneously；When the oil outlet pressure value of high-pressure booster 4 is influenced slightly by factors such as temperature
When decline, it can be compensated by accumulator 6.
In the preferred embodiment of the utility model, the accumulator 6 is arranged by the second needle-valve 10 in high-pressure booster 4
Oil outlet downstream line on, when accumulator 6, which breaks down, to be damaged, can by close the second needle-valve 10 be isolated,
Ensure to realize the maintenance or replacement to the accumulator 6 in the case where high-pressure booster protection system worked well.
The high-pressure booster protection system also includes oil outlet pressure gauge 7, and the oil outlet of high-pressure booster 4 is arranged in
Downstream line on, the oil outlet pressure value of real-time display high-pressure booster 4, in order to field observation.It is described in the present embodiment
Oil outlet pressure gauge 7 be specifically located between accumulator 6 and pressure transmitter 8.
In the preferred embodiment of the utility model, the oil outlet pressure gauge 7 is arranged by third needle-valve 11 in high pressure
It, can be by closing third needle-valve when oil outlet pressure gauge 7, which breaks down, to be damaged in the downstream line of the oil outlet of booster pump 4
11 are isolated, and the dimension to the oil outlet pressure gauge 7 is realized in the case where ensuring that high-pressure booster protects system worked well
It repairs or replaces.
The high-pressure booster protection system also includes check valve 5, and the downstream of the oil outlet of high-pressure booster 4 is arranged in
It on pipeline, and is disposed adjacent with high-pressure booster 4, it is ensured that adverse current situation will not occur in pipeline.
The high-pressure booster protection system also includes pressure reducing valve 1, and the upstream of the oil inlet of high-pressure booster 4 is arranged in
Front end on pipeline provides the steady pressure after decompression for high-pressure booster 4.
The high-pressure booster protection system also includes inlet pressure table 2, and the oil inlet of high-pressure booster 4 is arranged in
Upstream line on, the inlet pressure value of real-time display high-pressure booster 4, in order to field observation.It is described in the present embodiment
Inlet pressure table 2 be specifically located between pressure reducing valve 1 and solenoid valve 3.
In the preferred embodiment of the utility model, the inlet pressure table 2 is arranged by the 4th needle-valve 9 and is increased in high pressure
In the upstream line of the oil inlet of press pump 4, when inlet pressure table 2, which breaks down, to be damaged, can by close the 4th needle-valve 9 into
Row isolation, realize in the case where ensuring that high-pressure booster protects system worked well to the maintenance of the inlet pressure table 2 or
Replacement.
In conclusion high-pressure booster described in the utility model protects system, when the high pressure that pressure transmitter detects
When the oil outlet pressure value of booster pump is lower than the lower limit of the safe range of downhole safety valve opening pressure, opening solenoid valve makes high pressure
Booster pump opens work, when the oil outlet pressure value for the high-pressure booster that pressure transmitter detects is opened higher than storm valve
When the upper limit of the safe range of pressure, closing solenoid valve makes high-pressure booster stop working, to effectively avoid high-pressure booster
Frequent starting, substantially prolong its service life.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (10)
1. a kind of high-pressure booster protection system, characterized by comprising:
Pressure transmitter is arranged in the downstream line of high-pressure booster oil outlet, detects the oil outlet pressure of high-pressure booster
Value；
PLC is connect with pressure transmitter, receives the oil outlet pressure value of the high-pressure booster detected, and judges whether it locates
In in the safe range of downhole safety valve opening pressure；
Solenoid valve is arranged in the upstream line of high-pressure booster oil inlet, is disposed adjacent with high-pressure booster, and connects with PLC
It connects；
When PLC judges to obtain under safe range of the oil outlet pressure value lower than downhole safety valve opening pressure of high-pressure booster
Limit, control solenoid valve are opened, and high-pressure booster is made to open pressurization work；When PLC judges to obtain the oil outlet pressure of high-pressure booster
Force value is higher than the upper limit of the safe range of downhole safety valve opening pressure, and control solenoid valve is closed, and high-pressure booster is made to stop increasing
Press work.
2. high-pressure booster as described in claim 1 protects system, which is characterized in that the pressure transmitter passes through first
Needle-valve is arranged in the downstream line of high-pressure booster oil outlet.
3. high-pressure booster as described in claim 1 protects system, which is characterized in that also include accumulator, be arranged in high pressure
In the oil outlet downstream line of booster pump, and between high-pressure booster and pressure transmitter, going out for high-pressure booster is compensated
Hydraulic fluid port pressure value.
4. high-pressure booster as claimed in claim 3 protects system, which is characterized in that the accumulator passes through the second needle-valve
It is arranged in the downstream line of high-pressure booster oil outlet.
5. high-pressure booster as claimed in claim 3 protects system, which is characterized in that also include oil outlet pressure gauge, setting
In the downstream line of high-pressure booster oil outlet, the oil outlet pressure value of real-time display high-pressure booster.
6. high-pressure booster as claimed in claim 5 protects system, which is characterized in that the oil outlet pressure gauge passes through the
Three needle-valves are arranged in the downstream line of high-pressure booster oil outlet.
7. high-pressure booster as claimed in claim 3 protects system, which is characterized in that also include check valve, be arranged in high pressure
It in the downstream line of booster pump oil outlet, and is disposed adjacent with high-pressure booster, prevents adverse current.
8. high-pressure booster as claimed in claim 3 protects system, which is characterized in that also include pressure reducing valve, be arranged in high pressure
Front end in the upstream line of booster pump oil inlet provides the steady pressure after decompression for high-pressure booster.
9. high-pressure booster as claimed in claim 3 protects system, which is characterized in that the high-pressure booster protects system
Also include inlet pressure table, be arranged in the upstream line of high-pressure booster oil inlet, real-time display high-pressure booster into
Hydraulic fluid port pressure value.
10. high-pressure booster as claimed in claim 9 protects system, which is characterized in that the inlet pressure table passes through
4th needle-valve is arranged in the upstream line of high-pressure booster oil inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061552.XU CN209293980U (en) | 2018-12-10 | 2018-12-10 | A kind of high-pressure booster protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061552.XU CN209293980U (en) | 2018-12-10 | 2018-12-10 | A kind of high-pressure booster protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293980U true CN209293980U (en) | 2019-08-23 |
Family
ID=67657978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822061552.XU Active CN209293980U (en) | 2018-12-10 | 2018-12-10 | A kind of high-pressure booster protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293980U (en) |
-
2018
- 2018-12-10 CN CN201822061552.XU patent/CN209293980U/en active Active
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