CN207526486U - Underground coal mine sand fracturing system - Google Patents
Underground coal mine sand fracturing system Download PDFInfo
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- CN207526486U CN207526486U CN201721513738.3U CN201721513738U CN207526486U CN 207526486 U CN207526486 U CN 207526486U CN 201721513738 U CN201721513738 U CN 201721513738U CN 207526486 U CN207526486 U CN 207526486U
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Abstract
A kind of underground coal mine sand fracturing system is made of pressure break pump module, power plant module, electronic control module, clear water pump module, mulling module；Plunger pump is disposed on pressure break pump module；Hydrodynamic transmission, fire-proof motor are disposed on power plant module, fire-proof motor drives plunger pump by Hydrodynamic transmission；Centrifugal pump I, centrifugal pump II and filtered water tank are disposed on clear water pump module；Sand water mixing pump, blender, sand deliverer and sand hopper are disposed in mulling module, the delivery outlet of sand water mixing pump is connected by the input port of pipeline and plunger pump；The water outlet of centrifugal pump II is connected by the input port of pipeline and plunger pump；The electronic control module controls centrifugal pump I, centrifugal pump II, sand water mixing pump, sand deliverer, fire-proof motor, blender work respectively.The utility model is made of mutually independent modular unit, and mobile convenient transportation improves fracture job efficiency, alleviates labor intensity.
Description
Technical field
The utility model belongs to coal mine underground fracturing technical field, and in particular to a kind of underground coal mine sand fracturing system.
Background technology
At present, most domestic coal and gas outburst mine all utilizes coal mine underground fracturing pump group in underground coal mine to coal
Pressure break that body, rock mass are anti-reflection, so as to reduce coal and gas prominent accident, but in fracturing process in place of Shortcomings, i.e. pump group
Pressure break is carried out using clear water in fracturing process, after the completion of pressure break, crack is easily closed caused by pressure break, is unfavorable for gas
It is discharged along crack, influences fracturing effect, inconvenient later stage extraction.
In order to implement the fracturing technology of each coal and gas outburst mine, it is desirable that implement anti-reflection pressure break to rock mass, coal body, simultaneously
Ensure to improve pressure break efficiency, reduce labor intensity, different sand are conveyed than, different viscosities using underground coal mine sand fracturing pump group
Fracturing fluid, completing sand fracturing construction just becomes imperative development trend.
Utility model content
The utility model provides a kind of underground coal mine sand fracturing system, by convey different sand than fracturing fluid, solve
Pressure break is carried out using clear water, after the completion of pressure break, crack is easily closed caused by pressure break, is unfavorable for gas and is discharged along crack, shadow
The drawbacks of sound fracturing effect, inconvenient later stage extraction.
The technical solution adopted in the utility model is：A kind of underground coal mine sand fracturing system, it is characterized in that：The system
It is made of pressure break pump module, power plant module, electronic control module, clear water pump module, mulling module；Liquid is disposed on the power plant module
Power speed changer, fire-proof motor, and the power intake of Hydrodynamic transmission is coupled with the main shaft of fire-proof motor by shaft coupling II；Institute
It states and plunger pump is disposed on pressure break pump module, and the power intake of plunger pump passes through shaft coupling I and the power of Hydrodynamic transmission
Output terminal couples；Centrifugal pump I, centrifugal pump II and filtered water tank, and centrifugal pump I, centrifugal pump II are disposed on the clear water pump module
Water sucking mouth connect respectively with filtered water tank by pipeline；Sand water mixing pump, blender, sand deliverer are disposed in the mulling module
And sand hopper, and the sand inlet of sand deliverer is connect with sand hopper, the sand inlet connection of sand export and blender；The centrifugal pump I goes out
The mouth of a river is connected by the water inlet of pipeline and blender, and the burning into sand water out of blender is connect with the input port of sand water mixing pump,
The delivery outlet of sand water mixing pump is connected by the input port of pipeline and plunger pump；The water outlet of the centrifugal pump II by pipeline with
It is connect with the input port of plunger pump；The electronic control module control respectively centrifugal pump I, centrifugal pump II, sand water mixing pump, sand deliverer,
Fire-proof motor, blender.
Central control cabinet, variable frequency regulating speed control cabinet I, variable frequency regulating speed control cabinet II, frequency conversion are disposed in the electronic control module
Timing control cabinet III, variable frequency regulating speed control cabinet IV, high pressure soft starting switch board, direct-opening switch board, and pass through central control cabinet
Control variable frequency regulating speed control cabinet I, variable frequency regulating speed control cabinet II, variable frequency regulating speed control cabinet III, variable frequency regulating speed control cabinet IV, height respectively
Press soft start switch board, direct-opening switch board；The variable frequency regulating speed control cabinet I controls centrifugal pump I, and variable frequency regulating speed control cabinet II is controlled
Centrifugal pump II processed, variable frequency regulating speed control cabinet III control sand water mixing pump, and variable frequency regulating speed control cabinet IV controls sand deliverer, and high pressure is soft to be opened
Dynamic switch board control fire-proof motor, direct-opening switch board control blender.
The pressure break pump module, power plant module, electronic control module, clear water pump module, mulling module are mutually independent sledge
Seat unit.
The pressure break pump module is made of a sledge seat unit, and the power plant module, clear water pump module, mixes at electronic control module
Sand mo(u)ld block is formed by connecting by two mutually independent sledge seat units.
The sledge seat unit is arranged on mine platform lorry.
The utility model has the advantage that and effect：
1st, the utility model is made of mutually independent modular unit, and mobile convenient transportation improves fracture job efficiency,
Alleviate labor intensity.
2nd, the utility model is adapts to underground coal mine environment, and the modular unit is by one or several mutually independent sledge seats
Unit forms, and may be arranged at can the independent movement on the mine platform lorry of movement on underground orbit for each sledge seat unit.It arrives
Up to after operating location, by each sledge seat unit, quickly connection can meet job requirements.
3rd, the utility model all devices use the antiknock device for meeting coal mine downhole safety requirement, and can realize long-range
Manipulation.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is a kind of structure diagram of embodiment of the utility model.
In figure：1- pressure breaks pump module, 2- power plant modules, 3- electronic control modules, 4- clear water pump module, 5- mulling modules.
Specific embodiment
Below in conjunction with the accompanying drawings 1,2 and specific embodiment the utility model is described in detail.
A kind of underground coal mine sand fracturing system by pressure break pump module, power plant module, electronic control module, clear water pump module, is mixed
Sand mo(u)ld block forms；Plunger pump is disposed on the pressure break pump module, and the power intake of plunger pump passes through shaft coupling I and fluid power
The power output end connection of speed changer；It is disposed with Hydrodynamic transmission, fire-proof motor on the power plant module, and Hydrodynamic transmission
Power intake is coupled with the main shaft of fire-proof motor by shaft coupling II；Centrifugal pump I, centrifugation are disposed on the clear water pump module
Pump II and filtered water tank, and the water sucking mouth of centrifugal pump I, centrifugal pump II is connect by pipeline with filtered water tank respectively；The mulling module
On be disposed with sand water mixing pump, blender, sand deliverer and sand hopper, and the sand inlet of sand deliverer is connect with sand hopper, sand export is with stirring
Mix the sand inlet connection of device；The water outlet of the centrifugal pump I is connected by the water inlet of pipeline and blender, the burning into sand of blender
Water out is connect with the input port of sand water mixing pump, and the delivery outlet of sand water mixing pump is connected by the input port of pipeline and plunger pump
It connects；The water outlet of the centrifugal pump II is connected by the input port of pipeline and plunger pump；
Central control cabinet, variable frequency regulating speed control cabinet I, variable frequency regulating speed control cabinet II, frequency conversion are disposed in the electronic control module
Timing control cabinet III, variable frequency regulating speed control cabinet IV, high pressure soft starting switch board, direct-opening switch board, and pass through central control cabinet
Control variable frequency regulating speed control cabinet I, variable frequency regulating speed control cabinet II, variable frequency regulating speed control cabinet III, variable frequency regulating speed control cabinet IV, height respectively
Press soft start switch board, direct-opening switch board；The variable frequency regulating speed control cabinet I controls centrifugal pump I, and variable frequency regulating speed control cabinet II is controlled
Centrifugal pump II processed, variable frequency regulating speed control cabinet III control sand water mixing pump, and variable frequency regulating speed control cabinet IV controls sand deliverer, and high pressure is soft to be opened
Dynamic switch board control fire-proof motor, direct-opening switch board control blender.
The pressure break pump module, power plant module, electronic control module, clear water pump module, mulling module are mutually independent sledge
Seat unit.The pressure break pump module is made of a sledge seat unit, the power plant module, electronic control module, clear water pump module, mulling
Module is formed by connecting by two mutually independent sledge seat units.The sledge seat unit is arranged on mine platform lorry.
The utility model is moved easily transport to adapt to underground coal mine environment, and system equipment is arranged in can be in underground
On track on the mine platform lorry of movement, and according to instrument size, while consider particularity (such as narrow, turn of underworkings
Deng), more than equipment is arranged on several mutually independent mine platform lorries, each flat car arranges a sledge seat, can be independent
Movement.Reach operating location after, then by each wooden handcart quick-assembling become rigid connecting systems, reach job state.This practicality
Novel all devices can realize long-range behaviour using the antiknock device for meeting coal mine downhole safety requirement by central control cabinet
Control.
Operation principle：Clear water first is noted to coal seam with plunger pump, water is gradually permeated to coal seam, continues water filling, coal seam pressure liter
Height makes coal seam generate new crack.Continuing water filling expands coal seam fracture extension, and then note plus sand water (fracturing fluid), pass through sand grains
Supporting crack makes crack continuous enlargement until pressing off completely.Sand grains support coal seam fracture makes crack that can not be closed, so as to improve pressure
Working efficiency is split, is reduced labor intensity, convenient for later stage mash gas extraction.
The preferred embodiment of above-described embodiment, only the utility model is not used for limiting the implementation model of the utility model
It encloses, therefore all equivalent variations done with content described in the utility model claims, should all be included in the utility model right will
Within the scope of asking.
Claims (5)
1. a kind of underground coal mine sand fracturing system, it is characterized in that：The system is by pressure break pump module, power plant module, automatically controlled mould
Block, clear water pump module, mulling module composition；Hydrodynamic transmission, fire-proof motor, and fluid power speed change are disposed on the power plant module
The power intake of device is coupled with the main shaft of fire-proof motor by shaft coupling II；Plunger pump is disposed on the pressure break pump module,
And the power intake of plunger pump is coupled by shaft coupling I with the power output end of Hydrodynamic transmission；On the clear water pump module
Be disposed with centrifugal pump I, centrifugal pump II and filtered water tank, and the water sucking mouth of centrifugal pump I, centrifugal pump II by pipeline respectively with filtered water tank
Connection；Sand water mixing pump, blender, sand deliverer and sand hopper, and the sand inlet and sand of sand deliverer are disposed in the mulling module
The sand inlet of bucket connection, sand export and blender connects；The water outlet of the centrifugal pump I passes through pipeline and the water inlet of blender
Connection, the burning into sand water out of blender connect with the input port of sand water mixing pump, the delivery outlet of sand water mixing pump by pipeline and
The input port connection of plunger pump；The water outlet of the centrifugal pump II is connect by pipeline with the input port with plunger pump；The electricity
Control module controls centrifugal pump I, centrifugal pump II, sand water mixing pump, sand deliverer, fire-proof motor, blender respectively.
2. underground coal mine sand fracturing system according to claim 1, it is characterized in that：In being disposed in the electronic control module
Entreat switch board, variable frequency regulating speed control cabinet I, variable frequency regulating speed control cabinet II, variable frequency regulating speed control cabinet III, variable frequency regulating speed control cabinet IV,
High pressure soft starting switch board, direct-opening switch board, and control variable frequency regulating speed control cabinet I, change frequency modulation respectively by central control cabinet
Fast switch board II, variable frequency regulating speed control cabinet III, variable frequency regulating speed control cabinet IV, high pressure soft starting switch board, direct-opening switch board；Institute
It states variable frequency regulating speed control cabinet I and controls centrifugal pump I, variable frequency regulating speed control cabinet II controls centrifugal pump II, and variable frequency regulating speed control cabinet III is controlled
Sand water mixing pump processed, variable frequency regulating speed control cabinet IV control sand deliverer, high pressure soft starting switch board control fire-proof motor, direct-opening control
Cabinet processed controls blender.
3. underground coal mine sand fracturing system according to claim 1 or 2, it is characterized in that：The pressure break pump module, power
Module, electronic control module, clear water pump module, mulling module are mutually independent sledge seat unit.
4. underground coal mine sand fracturing system according to claim 3, it is characterized in that：The pressure break pump module is by a sledge
Seat unit composition, the power plant module, electronic control module, clear water pump module, mulling module are by two mutually independent sledge seat lists
Member is formed by connecting.
5. underground coal mine sand fracturing system according to claim 3, it is characterized in that：The sledge seat unit is arranged at ore deposit
With on flat car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513738.3U CN207526486U (en) | 2017-11-14 | 2017-11-14 | Underground coal mine sand fracturing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513738.3U CN207526486U (en) | 2017-11-14 | 2017-11-14 | Underground coal mine sand fracturing system |
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| Publication Number | Publication Date |
|---|---|
| CN207526486U true CN207526486U (en) | 2018-06-22 |
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ID=62582237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721513738.3U Active CN207526486U (en) | 2017-11-14 | 2017-11-14 | Underground coal mine sand fracturing system |
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| Country | Link |
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| CN (1) | CN207526486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725022A (en) * | 2017-11-14 | 2018-02-23 | 宝鸡航天动力泵业有限公司 | Underground coal mine sand fracturing system |
| CN109252849A (en) * | 2018-11-26 | 2019-01-22 | 宝鸡航天动力泵业有限公司 | A kind of underground coal mine sand fracturing control system and its control method |
| CN113847007A (en) * | 2021-07-02 | 2021-12-28 | 中煤科工集团西安研究院有限公司 | Coal mine underground vehicle-mounted string type double-path sand adding fracturing complete equipment |
-
2017
- 2017-11-14 CN CN201721513738.3U patent/CN207526486U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725022A (en) * | 2017-11-14 | 2018-02-23 | 宝鸡航天动力泵业有限公司 | Underground coal mine sand fracturing system |
| CN109252849A (en) * | 2018-11-26 | 2019-01-22 | 宝鸡航天动力泵业有限公司 | A kind of underground coal mine sand fracturing control system and its control method |
| CN113847007A (en) * | 2021-07-02 | 2021-12-28 | 中煤科工集团西安研究院有限公司 | Coal mine underground vehicle-mounted string type double-path sand adding fracturing complete equipment |
| CN113847007B (en) * | 2021-07-02 | 2023-08-15 | 中煤科工集团西安研究院有限公司 | Coal mine underground vehicle-mounted serial double-path sand-adding fracturing complete equipment |
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