CN104534993B - A kind of fracturing pump plug displacement detector and its detection method - Google Patents
A kind of fracturing pump plug displacement detector and its detection method Download PDFInfo
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- CN104534993B CN104534993B CN201410824221.0A CN201410824221A CN104534993B CN 104534993 B CN104534993 B CN 104534993B CN 201410824221 A CN201410824221 A CN 201410824221A CN 104534993 B CN104534993 B CN 104534993B
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Abstract
The present invention relates to a kind of fracturing pump plug displacement detector and its detection method, and it includes fluid cylinder（1）, plug（2）, detection means（4）And control system（5）, the plug（2）It is arranged on fluid cylinder（1）On, the fluid cylinder（1）On detection means is installed（4）, detection means（4）With control system（5）It is connected, detection means（4）Send a signal to control system（5）；Work as plug（2）Move out normal range (NR), detection means（4）In improper detection state, control system（5）Perform shutdown actions or signal an alert；The detection method carries out fracturing pump plug displacement detecting using the detection means.The present invention has the advantages of simple to operate, testing result is accurate, can timely and effectively be repaired, greatly improve the security in fracturing pump running.
Description
Technical field
The present invention relates to fracturing pump, particularly a kind of fracturing pump plug displacement detector and its detection method.
Background technology
With the change of global energy Supply Structure, the unconventional energy resource such as shale gas and densification oil gradually plays increasingly heavier
The effect wanted.But with the exploitation of unconventional energy resource, such as horizontal well technology makes the pumping environment of fracturing fluid become more to dislike
Bad, fracturing work needs to use higher pressure and longer activity duration, and these will aggravate the damage of high-pressure pumping system part
Bad, particularly under the effect of periodicity high pressure fatigue failure and abrasion etc. occur for fluid end.
Due to the needs of fracturing work, often due to making the plug of fluid end skid off displacement the reason for high pressure, cause to press
The leakage of liquid is split, and makes pressure break pump discharge head unstable, produces larger fluctuation.If termination of pumping not in time, and to plug displacement
Problem is handled, and causes plug to collapse, it will influences the damage of the normal operation and equipment of whole fracturing work.So pressing
During splitting pump operation, it will be a major issue kept the safety in production that fluid end plug, which skids off displacement,.
The detection method that plug of the prior art skids off displacement is made to be crossed on plug and fluid cylinder with marking pen
Mark.The marking pen that operating personnel is observed by monitor in operation process marks vestige to judge whether plug skids off displacement
Phenomenon.This method needs operating personnel's Real Time Observation fracturing pump working condition, easily causes operating personnel's fatigue, it is impossible to and
When effectively detect the displacement situation of plug.Therefore researching and developing a kind of detection technique that displacement is skidded off for fracturing pump plug will become
Obtain further important and urgent.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided one kind is simple to operate, can detect pressure exactly
Split the fracturing pump plug displacement detector and its detection method of pump plug displacement.
The purpose of the present invention is achieved through the following technical solutions：A kind of fracturing pump plug displacement detector, it includes
Fluid cylinder, plug, detection means and control system, the plug are arranged on fluid cylinder, and detection means is provided with the fluid cylinder,
Detection means is connected with control system, and detection means sends a signal to control system；When plug moves out normal range (NR),
Detection means is in improper detection state, and control system performs shutdown actions or signal an alert.
Further, it also includes block piece, and the block piece is arranged on plug.
Further, described detection means is the infrared sensor of a pair of opposing, and one of them is infrared sensing
Transmitter, another is infrared sensing receiver, and described infrared sensing transmitter is located at plug with infrared sensing receiver
Both sides are oppositely arranged；When plug skew not less than normally apart from when, the block piece block infrared sensing transmitter with it is infrared
Between sensing receiver, now, infrared sensing receiver can not receive the signal that infrared sensing transmitter is sent；When plug is inclined
Shifting exceedes normal distance, and the infrared sensing receiver receives the signal that infrared sensing transmitter is sent, and control system receives
The action for stopping pressure break pump operation is performed after to the signal of infrared sensing receiver.
Further, described detection means is position detecting device, position detecting device be located at plug top or under
Side, position detecting device are oppositely arranged with block piece, and position detecting device detects block piece and sends a signal to control in real time
System；When plug moves out normal range (NR), position detecting device can not detect block piece, and signal, which is sent, to be terminated, control system
System performs shutdown actions or signal an alert.
Further, described it also includes mounting bracket, and the mounting bracket is arranged on fluid cylinder, the detection means
It is fixedly mounted in mounting bracket.
Further, described it also includes fixed support, and the fixed support is arranged on plug, described block piece
It is fixedly mounted on fixed support.
Further, described block piece, infrared sensing transmitter and infrared sensing receiver are located on same axis, institute
The block piece stated is located at infrared sensing transmitter and the middle of infrared sensing receiver between the two.
Using a kind of detection method of fracturing pump plug displacement detector, it comprises the following steps：
S1：Installed plug and detection means, and detection means is connected with control system；Block piece is installed；
S2：When plug skew not less than normally apart from when, control system does not make exception to the testing result of detection means
Processing acts, and fracturing pump continues normal operation；
S3：When plug skew exceedes normal distance, the testing result of detection means is abnormality, and control system is held immediately
Row shutdown actions or signal an alert.
The present invention has advantages below：
1st, by setting detection means to be used to detect fracturing pump plug displacement, exceed normal distance when plug is offset, detect
The testing result of device is abnormality, and control system is immediately performed shutdown actions or signal an alert, has operation
Simple and convenient, the advantages of testing result is accurate, it can timely and effectively be repaired, greatly improve fracturing pump running
In security.
2nd, detection method is simple and convenient, and when plug skew exceedes normal distance, control system is immediately performed out of service dynamic
Make, the detection method of automation, the problem of avoiding the easy generation fatigue by eye-observation exception, can not accurately detect,
Reduce production operation difficulty.
Brief description of the drawings
Fig. 1 is the fluid cylinder of the present invention and the assembly structure diagram of plug；
Fig. 2 is the assembly structure diagram of embodiments of the invention 1；
Fig. 3 is the assembly structure diagram of embodiments of the invention 2；
In figure：1- fluid cylinders, 2- plugs, 3- mounting brackets, 4- detection means, 5- control systems, 6- block pieces, 7- fix branch
Frame.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of fracturing pump plug displacement detector, it includes fluid cylinder 1, plug 2, detection dress
Put 4 and control system 5, the plug 2 is arranged on fluid cylinder 1, is provided with detection means 4 on the fluid cylinder 1, detection means 4 with
Control system 5 is connected, and detection means 4 sends a signal to control system 5；When plug 2 moves out normal range (NR), detection dress
Put 4 and be in improper detection state, control system 5 performs shutdown actions or signal an alert.It also includes block piece
6, the block piece 6 is arranged on plug 2.
As shown in Figure 2 and Figure 3, described it also includes mounting bracket 3, and the mounting bracket 3 is arranged on fluid cylinder 1, described
Detection means 4 is fixedly mounted in mounting bracket 3.It is used to be fixedly mounted using mounting bracket 3, enables to detection means 4 to pacify
Dress is more stable.
Also include fixed support 7, the fixed support 7 is arranged on plug 2, and described block piece 6 is fixedly mounted on
On fixed rack 7.Block piece 6 is fixedly mounted using fixed support 7, can ensure that block piece 6 is not rocked or moved in the process of running
It is dynamic, it is ensured that the accuracy of detection.Preferably, described block piece 6 is rectangle thin-slab structure.
Embodiment 1, as shown in Fig. 2 described detection means 4 is the infrared sensor of a pair of opposing, one of them
For infrared sensing transmitter, another is infrared sensing receiver, described infrared sensing transmitter and infrared sensing receiver
It is oppositely arranged positioned at the both sides of plug 2；When plug 2 offset not less than normally apart from when, the block piece 6 is blocked in infrared sensing
Between transmitter and infrared sensing receiver, now, infrared sensing receiver can not receive what infrared sensing transmitter was sent
Signal；When the skew of plug 2 exceedes normal distance, the infrared sensing receiver receives the letter that infrared sensing transmitter is sent
Number, control system 5 performs the action for stopping pressure break pump operation after receiving the signal of infrared sensing receiver.
Preferably, described block piece 6, infrared sensing transmitter and infrared sensing receiver are located on same axis, institute
The block piece 6 stated is located at infrared sensing transmitter and the middle of infrared sensing receiver between the two.
Embodiment 2, described detection means 4 are position detecting device, position detecting device be located at plug 2 top or under
Side, position detecting device are oppositely arranged with block piece 6, and position detecting device detects block piece 6 and sends a signal to control in real time
System 5 processed；When plug 2 moves out normal range (NR), position detecting device can not detect block piece 6, and signal, which is sent, to be terminated, control
System 5 processed performs shutdown actions or signal an alert.
Using a kind of detection method of fracturing pump plug displacement detector, it comprises the following steps：
S1：Installed plug 2 and detection means 4, and detection means 4 is connected with control system 5；Block piece 6 is installed；
S2：When plug 2 offset not less than normally apart from when, control system 5 is not made different to the testing result of detection means 4
Normal processing action, fracturing pump continue normal operation；
S3：When the skew of plug 2 exceedes normal distance, the testing result of detection means 4 is abnormality, and control system 5 is vertical
Perform and stop fracturing pump and signal an alert.
The course of work using the detection means in embodiment 1 is as follows：Under normal circumstances, infrared sensing transmitter is to red
Outer sensing receiver sends infrared signal, due to there is block piece 6 between infrared sensing transmitter and infrared sensing receiver
Stop, infrared sensing receiver can not receive the infrared signal from infrared sensing transmitter.In fracturing work process
In, when plug 2 because of high pressure and caused by skid off displacement, plug 2 is shifted, block piece 6 shifts therewith.Exceed when partially
Normal range (NR), infrared sensing receiver will receive the infrared ray from infrared sensing transmitter, and be converted to electric signal, by
Signal cable 5 is sent in PLC control system 5.When PLC detects sensor signal triggering, it will pressed by program
Split pump manufacture operation or to send alarm operating personnel out of service to this fracturing pump and carry out repair and maintenance, ensure pressure break
The safety progress of operation.
The course of work using the detection means in embodiment 2 is as follows：Under normal circumstances, position detecting device 4 is real-time
Block piece 6 is detected, and the signal detected is sent to control system 5.During fracturing work, when plug 2 is because of high pressure
And cause to skid off displacement, plug 2 is shifted, block piece 6 shifts therewith.When exceeding normal range (NR) partially, position is detected
Device 4 can not detect block piece 6, and stopped signal transmission, and PLC control system 5 does not receive detection signal, it will passes through
Fracturing pump manufacture is run program or transmission alarm operating personnel is out of service to this fracturing pump and carries out maintenance dimension
Shield, ensure the safety progress of fracturing work.
Claims (1)
- A kind of 1. detection method of fracturing pump plug displacement, it is characterised in that：This method is filled using fracturing pump plug displacement detecting Put, the device includes fluid cylinder（1）, plug（2）, detection means（4）And control system（5）, the plug（2）It is arranged on fluid cylinder （1）On, the fluid cylinder（1）On detection means is installed（4）, detection means（4）With control system（5）It is connected, detection means （4）Send a signal to control system（5）；Work as plug（2）Move out normal range (NR), detection means（4）In improper inspection Survey state, control system（5）Perform shutdown actions or signal an alert, described detection means（4）It is relative for a pair The infrared sensor of setting, one of them is infrared sensing transmitter, and another is infrared sensing receiver, described infrared biography Sense transmitter is located at plug with infrared sensing receiver（2）Both sides be oppositely arranged, it also includes mounting bracket（3）, the peace Fill support（3）It is arranged on fluid cylinder（1）On, the detection means（4）It is fixedly mounted on mounting bracket（3）On, it also includes blocking Part（6）, the block piece（6）It is arranged on plug（2）On, described detection means（4）For position detecting device, position detection dress Setting in plug（2）Above or below, position detecting device and block piece（6）It is oppositely arranged, position detecting device is examined in real time Survey block piece（6）And send a signal to control system（5）；Work as plug（2）Move out normal range (NR), position detecting device without Method detects block piece（6）, signal, which is sent, to be terminated, control system（5）Shutdown actions or signal an alert are performed, it is also Including fixed support（7）, the fixed support（7）It is arranged on plug（2）On, described block piece（6）It is fixedly mounted on fixation Support（7）On, the block piece stated（6）, infrared sensing transmitter and infrared sensing receiver be located on same axis, described screening Block piece（6）Positioned at infrared sensing transmitter and the middle of infrared sensing receiver between the two, this method comprises the following steps：S1：Installed plug（2）And detection means（4）, and by detection means（4）With control system（5）Connection；Block piece is installed （6）；S2：Work as plug（2）Skew not less than normally apart from when, control system（5）Not to detection means（4）Testing result make Abnormality processing acts, and fracturing pump continues normal operation；S3：Work as plug（2）Skew exceedes normal distance, detection means（4）Testing result be abnormality, control system（5） It is immediately performed and stops fracturing pump and signal an alert.
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| CN201410824221.0A CN104534993B (en) | 2014-12-26 | 2014-12-26 | A kind of fracturing pump plug displacement detector and its detection method |
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| CN201410824221.0A CN104534993B (en) | 2014-12-26 | 2014-12-26 | A kind of fracturing pump plug displacement detector and its detection method |
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| CN104534993B true CN104534993B (en) | 2017-11-10 |
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| CN105115708A (en) * | 2015-07-27 | 2015-12-02 | 中国石油天然气股份有限公司 | System and method for testing performance parameters of hydraulic variable-diameter centralizer |
| CN107762825A (en) * | 2017-12-04 | 2018-03-06 | 西南石油大学 | A kind of pressure break pump hydraulic end plunger and spool position detecting system |
| CN112623788A (en) * | 2020-12-17 | 2021-04-09 | 贵州电网有限责任公司 | Wire protection strip feeding bin |
| CN113775821A (en) * | 2021-09-08 | 2021-12-10 | 廊坊中油朗威工程项目管理有限公司 | Plugging device for petroleum pipeline construction and detection method thereof |
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