CN201730812U - Full automatic variable frequency control coal mine underground fracturing pump group - Google Patents
Full automatic variable frequency control coal mine underground fracturing pump group Download PDFInfo
- Publication number
- CN201730812U CN201730812U CN2010202886029U CN201020288602U CN201730812U CN 201730812 U CN201730812 U CN 201730812U CN 2010202886029 U CN2010202886029 U CN 2010202886029U CN 201020288602 U CN201020288602 U CN 201020288602U CN 201730812 U CN201730812 U CN 201730812U
- Authority
- CN
- China
- Prior art keywords
- frequency
- variable frequency
- control system
- pressure
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003245 coal Substances 0.000 title abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
Images
Landscapes
- Flow Control (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a full automatic variable frequency control coal mine underground fracturing pump group, which comprises an anti-explosion variable frequency motor, a reducer, a high pressure piston pump, a high pressure pipeline and a variable frequency control system, wherein the high pressure pipeline and the variable frequency control system are communicated with the high pressure piston pump, a power output shaft of the reducer is connected with the high pressure piston pump through driving, a flow sensor and a pressure sensor are arranged in the high pressure pipeline, the variable frequency control system comprises a control circuit and a frequency converter which is controlled and connected by the control circuit, the signal output ends of the flow sensor and the pressure sensor are connected with the signal input end of the control circuit in the variable frequency control system, and the signal output end of the frequency converter in the variable frequency control system is controlled and connected with the anti-explosion variable frequency motor. The rotating speed of the motor is adjusted by the frequency converter according to data which is measured by the flow sensor and the pressure sensor in real time, thereby achieving stepless adjustment of automatic control and flow pressure of equipment.
Description
Technical field
The utility model belongs to used a kind of fracturing pump group in the equipment technical field such as pressing crack construction, coal-bed flooding, particularly a kind of colliery underground fracture pump group of full-automatic frequency conversion control.
Background technique
At present, in the coal-bed gas exploitation process, need in the pressure break hole, to inject the not strong liquid of various corrosivity,, be used to carry out operations such as slip casting, sandblast, perforation, pipeline pressure testing, water blockoff, pressure break as clear water, mortar, water-soluble mixing material etc.; When in the pressure break hole, injecting liquid, need use fracturing pump to carry out operation, but the following defective of existing fracturing pump ubiquity: operator must adopt manual closely operation in the down-hole, can't guarantee operator safety, and existing fracturing pump group can not realize the automatic operation of equipment and the step-less adjustment of flow pressure in real time, apace according to the actual production operating mode.
The model utility content
The purpose of this utility model provides a kind of full-automatic frequency conversion control colliery underground fracture pump group, can not be according to the real-time realization of actual production operating mode to the automatic operation of equipment and the step-less adjustment of flow pressure to solve fracturing pump group in the prior art.
For achieving the above object, the utility model adopts following technological scheme: full-automatic frequency conversion control colliery underground fracture pump group, comprise the flame-proof converter motor, speed reducer, high-pressure plunger pump, pressure duct that is communicated with high-pressure plunger pump and frequency-changing control system, the power input shaft of described flame-proof converter motor and speed reducer is in transmission connection, the pto and the high-pressure plunger pump of described speed reducer are in transmission connection, be provided with flow transducer and pressure transducer in the described pressure duct, described frequency-changing control system comprises that control circuit reaches the frequency variator by the control circuit control connection, the signal output part of described flow transducer and pressure transducer is connected with the signal input part of control circuit in the frequency-changing control system, and the signal output part of the frequency variator in the described frequency-changing control system is connected with the flame-proof converter Electric Machine Control.
The regulating frequency scope of described frequency variator is the 5-100 hertz.
Described flame-proof converter motor, speed reducer and high-pressure plunger pump are installed on the base by bolt.
Automatic colliery of the present utility model underground fracture pump group in use, the flame-proof converter motor, speed reducer and high-pressure plunger pump are arranged on the down-hole, frequency-changing control system is arranged on aboveground or distant apart from job location safety zone, by flow transducer and pressure transducer with in the measured feedback signal input control circuit, according to feedback signal the output speed of flame-proof converter motor is carried out step-less adjustment by frequency variator again, when the pressure duct output loading requires the high pressure small flow, frequency-changing control system carries out permanent torque adjustment by control circuit to variable-frequency motor, turn down motor speed this moment, reduces flow system flow; When the pressure duct output loading required big flow low-pressure, frequency-changing control system carried out permanent power adjustments by control circuit to variable-frequency motor, heightened motor speed this moment, increased flow system flow.The utility model is simple in structure, and is easy to use.Data that record in real time according to flow transducer and pressure transducer and adjust rotating speed of motor by frequency variator, thus realize step-less adjustment to the automatic control of equipment and flow, pressure.Constitute a close loop control circuit as the sensor of signals collecting part, the frequency-changing control system of signal processing, the anti-explosion motor that reaches the signal do-part and high-pressure plunger pump, realize the automatic adjusting of whole fracturing pump group according to actual conditions in real time, fast.And the utility model can also be avoided the in-plant underground work of staff, avoids occurring personal injury accident and takes place.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model a structural representation;
Fig. 2 is the plan view of Fig. 1.
Embodiment
As Fig. 1, shown in Figure 2, full-automatic frequency conversion control colliery underground fracture pump group, comprise base 7, on base 7, flame-proof converter motor 1 is arranged by bolt, speed reducer 3 and high-pressure plunger pump 5, flame-proof converter motor 1 is in transmission connection by the power input shaft of input coupling 2 with speed reducer 3, the pto of speed reducer 3 is in transmission connection with high-pressure plunger pump 5 by output coupling 4, the fracturing fluid inlet opening of high-pressure plunger pump 5 by pipeline be used to hold of the fracturing fluid casing 8 and be communicated with, be provided with the Decompression valves that is communicated with casing 8 by pipeline near the fracturing fluid delivery outlet of high-pressure plunger pump 5, the fracturing fluid of high-pressure plunger pump 5 goes out delivery outlet and is connected with and is used to export of the fracturing fluid pressure duct 6 towards the pressure break working surface, flow transducer 10 and pressure transducer 11 are installed in pressure duct 6, the fracturing pump group also comprises frequency-changing control system system 9, frequency-changing control system 9 comprises control circuit and by the frequency variator of control circuit control connection, the signal output part of flow transducer 10 and pressure transducer 11 is connected with the signal input part of control circuit in the frequency-changing control system 9, the signal output part of the frequency variator of frequency-changing control system and flame-proof converter motor 1 control connection, the regulating frequency of frequency variator is a scope 5-100 hertz, by flow transducer 10, pressure transducer 11, frequency-changing control system 9, flame-proof converter motor 1 and high-pressure plunger pump 5 constitute close loop control circuit.
The signal that is collected by pressure transducer 11 and flow transducer 10 when the utility model uses feeds back to control circuit in the frequency-changing control system 9 through control circuit, frequency variator is exported control signal through control circuit to flame-proof converter motor 1 according to the real-time working condition signal of input, change motor speed, make the output speed of variable-frequency motor satisfy working condition requirement, if do not satisfy, the feedback signal that newly collects by flow transducer and pressure transducer, readjust motor speed, satisfy the actual requirement of operating mode until the output of motor.
During concrete enforcement, when the pressure duct output loading required the high pressure small flow, frequency variator carried out the permanent torque adjustment of 50-5 hertz by control circuit to variable-frequency motor, and turn down motor speed this moment, reduces flow system flow; When the pressure duct output loading required big flow low-pressure, frequency variator carried out the permanent power adjustments of 50-100 hertz by control circuit to variable-frequency motor, heightens motor speed this moment, increases flow system flow; When system promptly needed high pressure to need big flow again, frequency variator was exported with 50 hertz of power frequencies, motor output power frequency rotating speed, the peak rate of flow of system's output maximum pressure.
The utility model is usually used in pressing crack construction in the coal-bed gas exploitation, coal mine underground coal bed water filling, the utility model also can be used for industrial mesohigh and cleans the field, and its full-automatic frequency conversion control system is safe and reliable, and the step-less adjustment of required cleaning solution flow pressure can realize high-pressure wash the time.
Claims (3)
1. full-automatic frequency conversion control colliery underground fracture pump group, it is characterized in that: comprise the flame-proof converter motor, speed reducer, high-pressure plunger pump, pressure duct that is communicated with high-pressure plunger pump and frequency-changing control system, the power input shaft of described flame-proof converter motor and speed reducer is in transmission connection, the pto and the high-pressure plunger pump of described speed reducer are in transmission connection, be provided with flow transducer and pressure transducer in the described pressure duct, described frequency-changing control system comprises that control circuit reaches the frequency variator by the control circuit control connection, the signal output part of described flow transducer and pressure transducer is connected with the signal input part of control circuit in the frequency-changing control system, and the signal output part of the frequency variator in the described frequency-changing control system is connected with the flame-proof converter Electric Machine Control.
2. full-automatic frequency conversion control according to claim 1 colliery underground fracture pump group, it is characterized in that: the regulating frequency scope of described frequency variator is the 5-100 hertz.
3. full-automatic frequency conversion control according to claim 1 and 2 colliery underground fracture pump group, it is characterized in that: described flame-proof converter motor, speed reducer and high-pressure plunger pump are installed on the base by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202886029U CN201730812U (en) | 2010-08-11 | 2010-08-11 | Full automatic variable frequency control coal mine underground fracturing pump group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202886029U CN201730812U (en) | 2010-08-11 | 2010-08-11 | Full automatic variable frequency control coal mine underground fracturing pump group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201730812U true CN201730812U (en) | 2011-02-02 |
Family
ID=43521968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202886029U Expired - Lifetime CN201730812U (en) | 2010-08-11 | 2010-08-11 | Full automatic variable frequency control coal mine underground fracturing pump group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201730812U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094611A (en) * | 2011-03-07 | 2011-06-15 | 杜劼 | Coal mine under-well fracturing complete equipment |
| CN102352747A (en) * | 2011-10-21 | 2012-02-15 | 中国石油天然气股份有限公司 | Method for increasing production by pressure-controlled injection in coalbed methane wells |
| WO2013163786A1 (en) * | 2012-04-29 | 2013-11-07 | 四川宏华石油设备有限公司 | Fracturing pump |
| CN106030029A (en) * | 2013-10-10 | 2016-10-12 | 普罗斯蒂姆实验室有限责任公司 | Fracturing systems and methods for a wellbore |
| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN106574495A (en) * | 2014-01-06 | 2017-04-19 | 莱姆仪器有限责任公司 | Hydraulic fracturing system |
| CN108442912A (en) * | 2018-03-06 | 2018-08-24 | 宝鸡石油机械有限责任公司 | A kind of low-voltage alternating-current frequency conversion power drive system of fracturing unit truck |
| CN110644964A (en) * | 2019-10-25 | 2020-01-03 | 北京天地玛珂电液控制系统有限公司 | A frequency conversion hydraulic fracturing system and pressure regulating method thereof |
| US10914155B2 (en) | 2018-10-09 | 2021-02-09 | U.S. Well Services, LLC | Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform |
| US10927802B2 (en) | 2012-11-16 | 2021-02-23 | U.S. Well Services, LLC | System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources |
| US10934824B2 (en) | 2012-11-16 | 2021-03-02 | U.S. Well Services, LLC | System for reducing vibrations in a pressure pumping fleet |
| CN114198292A (en) * | 2021-10-25 | 2022-03-18 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| CN114215496A (en) * | 2021-10-25 | 2022-03-22 | 北京天玛智控科技股份有限公司 | Fracturing system and fracturing method |
| US11542786B2 (en) | 2019-08-01 | 2023-01-03 | U.S. Well Services, LLC | High capacity power storage system for electric hydraulic fracturing |
| US11728709B2 (en) | 2019-05-13 | 2023-08-15 | U.S. Well Services, LLC | Encoderless vector control for VFD in hydraulic fracturing applications |
| CN116950870A (en) * | 2023-06-28 | 2023-10-27 | 山东科技大学 | Intelligent variable-frequency water injection pump and method for mine pulsating water injection |
| CN117145739A (en) * | 2023-06-28 | 2023-12-01 | 山东科技大学 | A series fracturing pump system and fracturing method for hydraulic fracturing in coal mines |
| US12078110B2 (en) | 2015-11-20 | 2024-09-03 | Us Well Services, Llc | System for gas compression on electric hydraulic fracturing fleets |
-
2010
- 2010-08-11 CN CN2010202886029U patent/CN201730812U/en not_active Expired - Lifetime
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094611B (en) * | 2011-03-07 | 2013-06-05 | 杜劼 | Coal mine under-well fracturing complete equipment |
| CN102094611A (en) * | 2011-03-07 | 2011-06-15 | 杜劼 | Coal mine under-well fracturing complete equipment |
| CN102352747A (en) * | 2011-10-21 | 2012-02-15 | 中国石油天然气股份有限公司 | Method for increasing production by pressure-controlled injection in coalbed methane wells |
| WO2013163786A1 (en) * | 2012-04-29 | 2013-11-07 | 四川宏华石油设备有限公司 | Fracturing pump |
| CN104204521A (en) * | 2012-04-29 | 2014-12-10 | 四川宏华石油设备有限公司 | Fracturing pump |
| US10927802B2 (en) | 2012-11-16 | 2021-02-23 | U.S. Well Services, LLC | System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources |
| US10934824B2 (en) | 2012-11-16 | 2021-03-02 | U.S. Well Services, LLC | System for reducing vibrations in a pressure pumping fleet |
| CN106030029A (en) * | 2013-10-10 | 2016-10-12 | 普罗斯蒂姆实验室有限责任公司 | Fracturing systems and methods for a wellbore |
| CN106574495A (en) * | 2014-01-06 | 2017-04-19 | 莱姆仪器有限责任公司 | Hydraulic fracturing system |
| CN106574495B (en) * | 2014-01-06 | 2020-12-18 | 莱姆仪器有限责任公司 | Hydraulic Fracturing System |
| US12078110B2 (en) | 2015-11-20 | 2024-09-03 | Us Well Services, Llc | System for gas compression on electric hydraulic fracturing fleets |
| CN106523342A (en) * | 2016-12-30 | 2017-03-22 | 天津仪控科技有限公司 | High-pressure plunger pump interlock protection control method and system based on PID adjustment |
| CN108442912A (en) * | 2018-03-06 | 2018-08-24 | 宝鸡石油机械有限责任公司 | A kind of low-voltage alternating-current frequency conversion power drive system of fracturing unit truck |
| US10914155B2 (en) | 2018-10-09 | 2021-02-09 | U.S. Well Services, LLC | Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform |
| US12116875B2 (en) | 2018-10-09 | 2024-10-15 | U.S. Well Services, LLC | Electric powered hydraulic fracturing pump system with single electric powered multi-plunger pump fracturing trailers, filtration units, and slide out platform |
| US12494695B2 (en) | 2019-05-13 | 2025-12-09 | U.S. Well Services, LLC | Encoderless vector control for VFD in hydraulic fracturing applications |
| US11728709B2 (en) | 2019-05-13 | 2023-08-15 | U.S. Well Services, LLC | Encoderless vector control for VFD in hydraulic fracturing applications |
| US11542786B2 (en) | 2019-08-01 | 2023-01-03 | U.S. Well Services, LLC | High capacity power storage system for electric hydraulic fracturing |
| US12385362B2 (en) | 2019-08-01 | 2025-08-12 | U.S. Well Services, LLC | High capacity power storage system for electric hydraulic fracturing |
| CN110644964A (en) * | 2019-10-25 | 2020-01-03 | 北京天地玛珂电液控制系统有限公司 | A frequency conversion hydraulic fracturing system and pressure regulating method thereof |
| CN110644964B (en) * | 2019-10-25 | 2021-11-19 | 北京天地玛珂电液控制系统有限公司 | Variable-frequency hydraulic fracturing system and pressure adjusting method thereof |
| CN114198292A (en) * | 2021-10-25 | 2022-03-18 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| CN114198292B (en) * | 2021-10-25 | 2024-03-01 | 北京天玛智控科技股份有限公司 | Fracturing pump set control system and control method |
| CN114215496A (en) * | 2021-10-25 | 2022-03-22 | 北京天玛智控科技股份有限公司 | Fracturing system and fracturing method |
| CN117145739A (en) * | 2023-06-28 | 2023-12-01 | 山东科技大学 | A series fracturing pump system and fracturing method for hydraulic fracturing in coal mines |
| CN116950870A (en) * | 2023-06-28 | 2023-10-27 | 山东科技大学 | Intelligent variable-frequency water injection pump and method for mine pulsating water injection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201730812U (en) | Full automatic variable frequency control coal mine underground fracturing pump group | |
| CN202500735U (en) | Automatic emulsion fracturing construction equipment and emulsion pump set used therein | |
| CN202545207U (en) | Intelligent variable-frequency control fracturing pump set | |
| CN201650697U (en) | Underground fracturing pump set of remote-control coal mine | |
| CN204436361U (en) | A kind of underground coal mine Hydraulic fracturing pressure flow quantity intelligent adjusting device | |
| WO2016061258A1 (en) | Hydraulic fracturing system and method | |
| CN104727819B (en) | One kind drilling cleaves all-in-one and exempts from quick-fried excavator | |
| CN114198292B (en) | Fracturing pump set control system and control method | |
| CN101539028A (en) | Method and apparatus for preventing and controlling coal or rock dynamic disaster by high-pressure pulse water injection | |
| CN103412521B (en) | Truck-mounted blender automatic control system | |
| CN202338331U (en) | On-line oil well liquid level monitoring device | |
| CN120798241A (en) | Full-automatic grouting system and method for monitoring underground grouting parameters in real time | |
| CN115726766A (en) | Device and method for monitoring underground liquid level | |
| CN201407065Y (en) | High pressure pulsating water-injecting device for preventing coal or rock dynamic disaster | |
| CN202520493U (en) | Hydraulic double-fluid grouting pump | |
| CN208010703U (en) | Hydraulic petroleum lifting device intelligence control system | |
| EP3477114A1 (en) | Submersible electric machine assembly | |
| CN2926617Y (en) | Movable hydraulic pump station | |
| CN111411931A (en) | Electric drive fracturing unit integrated machine and oil production system | |
| CN210565011U (en) | Fracturing pump unit | |
| CN108506182B (en) | Hydraulic mud pump and use method thereof | |
| CN103437744B (en) | Intelligent control device for surface and underground integrated oil production in oilfields | |
| CN218510246U (en) | Switch type cooling water control valve group | |
| CN201574908U (en) | Intelligent control mine emulsion liquid pumping plant system | |
| CN204253363U (en) | Self-controlled type gear pump grouter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |