CN202579141U - Pressure-limiting protection device of drilling slurry pump - Google Patents
Pressure-limiting protection device of drilling slurry pump Download PDFInfo
- Publication number
- CN202579141U CN202579141U CN 201220048796 CN201220048796U CN202579141U CN 202579141 U CN202579141 U CN 202579141U CN 201220048796 CN201220048796 CN 201220048796 CN 201220048796 U CN201220048796 U CN 201220048796U CN 202579141 U CN202579141 U CN 202579141U
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- Prior art keywords
- slurry pump
- pressure
- programmable controller
- limiting protection
- normally closed
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Abstract
The utility model discloses a pressure-limiting protection device of a drilling slurry pump. The pressure-limiting protection device of the drilling slurry pump is characterized by comprising a sensor, a control device, a normally closed switch, a programmable controller and a slurry pump driving device, wherein the sensor is connected with the control device; the normally closed device is arranged on the control device and is connected in series with a loop of the programmable controller; the slurry pump driving device is connected with the programmable controller; and the slurry pump is connected with the slurry pump driving device. According to the pressure-limiting protection device of the drilling slurry pump, a set pressure value can be randomly adjusted, real-time monitoring can be performed, the accuracy is high, the mechanical unreliability of the old system is removed by an electrical control system, and the electrical control system and the old system can be simultaneously used to provide double safety guarantee. After work, once the pressure of the slurry pump exceeds an upper limit value, a motor automatically stops, the restart time is extremely short, and the working efficiency is high.
Description
Technical field
The utility model relates to the control industry field, particularly a kind of drilling mud pump protective arrangement for limiting output voltage.
Background technique
Often occur suppressing the pump accident for many years in the drillng operation and cause casualties, underground work is produced risk.Existing protective measure mainly is that employing slurry pump upper pipeline is installed the cutting safety valve to pipeloop, makes to cut through valve inner carrier rising jack-up cutting plate and follows closely the emptying that fractures, and this mechanical structure poor reliability, Recovery time is long.
The model utility content
The purpose of the utility model is in order to improve monitoring accuracy, to reduce risks, and the spy provides a kind of drilling mud pump protective arrangement for limiting output voltage.
The utility model provides a kind of drilling mud pump protective arrangement for limiting output voltage, it is characterized in that: described drilling mud pump protective arrangement for limiting output voltage comprises sensor 1, control gear 2, normally closed switch 3, programmable controller 4, slurry pump drive unit 5;
Wherein: sensor 1 is connected with control gear 2, and normally closed switch 3 is installed on the control gear 2, and normally closed switch 3 is connected in the loop of programmable controller 4, and slurry pump drive unit 5 is connected with programmable controller 4, and slurry pump 6 is connected with slurry pump drive unit 5.
Described sensor 1 is a pressure transmitter.
The force value of sensor 1 monitoring slurry pump, when slurry pump 6 pressure surpassed setting pressure, control gear 2 was reported to the police, and normally closed switch 3 becomes often to be opened, and the loop that is connected with programmable controller 4 is broken off, and the motor of slurry pump 6 is shut down.
The advantage of the utility model:
The described drilling mud pump protective arrangement for limiting output voltage of the utility model, any can regulate of the force value of setting, and can monitor in real time; Precision is high; Automatical control system has been broken away from the mechanical unreliable of old system, and automatical control system and old system can use simultaneously, and dual safety guarantee is provided.After the work, slurry pump pressure is in case above CLV ceiling limit value motor autostop, and reboot time is very short, high working efficiency.
Description of drawings
Below in conjunction with accompanying drawing and mode of execution the utility model is done further detailed explanation:
Fig. 1 is a drilling mud pump protective arrangement for limiting output voltage theory structure schematic representation.
Embodiment
Present embodiment provides a kind of drilling mud pump protective arrangement for limiting output voltage, it is characterized in that: described drilling mud pump protective arrangement for limiting output voltage comprises sensor 1, control gear 2, normally closed switch 3, programmable controller 4, slurry pump drive unit 5;
Wherein: sensor 1 is connected with control gear 2, and normally closed switch 3 is installed on the control gear 2, and normally closed switch 3 is connected in the loop of programmable controller 4, and slurry pump drive unit 5 is connected with programmable controller 4, and slurry pump 6 is connected with slurry pump drive unit 5.
Described sensor 1 is a pressure transmitter.
The force value of sensor 1 monitoring slurry pump, when slurry pump 6 pressure surpassed setting pressure, control gear 2 was reported to the police, and normally closed switch 3 becomes often to be opened, and the loop that is connected with programmable controller 4 is broken off, and the motor of slurry pump 6 is shut down.
Claims (2)
1. drilling mud pump protective arrangement for limiting output voltage, it is characterized in that: described drilling mud pump protective arrangement for limiting output voltage comprises sensor (1), control gear (2), normally closed switch (3), programmable controller (4), slurry pump drive unit (5);
Wherein: sensor (1) is connected with control gear (2); Normally closed switch (3) is installed on the control gear (2); Normally closed switch (3) is connected in the loop of programmable controller (4), and slurry pump drive unit (5) is connected with programmable controller (4), and slurry pump (6) is connected with slurry pump drive unit (5).
2. according to the described drilling mud pump protective arrangement for limiting output voltage of claim 1, it is characterized in that: described sensor (1) is a pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220048796 CN202579141U (en) | 2012-02-15 | 2012-02-15 | Pressure-limiting protection device of drilling slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220048796 CN202579141U (en) | 2012-02-15 | 2012-02-15 | Pressure-limiting protection device of drilling slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579141U true CN202579141U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220048796 Expired - Fee Related CN202579141U (en) | 2012-02-15 | 2012-02-15 | Pressure-limiting protection device of drilling slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177912A (en) * | 2020-09-23 | 2021-01-05 | 中油国家油气钻井装备工程技术研究中心有限公司 | Intelligent blowout prevention system and method for high-pressure slurry pump |
-
2012
- 2012-02-15 CN CN 201220048796 patent/CN202579141U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177912A (en) * | 2020-09-23 | 2021-01-05 | 中油国家油气钻井装备工程技术研究中心有限公司 | Intelligent blowout prevention system and method for high-pressure slurry pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130215 |