CN204060662U - Mine water sand fracturing device - Google Patents
Mine water sand fracturing device Download PDFInfo
- Publication number
- CN204060662U CN204060662U CN201420120252.3U CN201420120252U CN204060662U CN 204060662 U CN204060662 U CN 204060662U CN 201420120252 U CN201420120252 U CN 201420120252U CN 204060662 U CN204060662 U CN 204060662U
- Authority
- CN
- China
- Prior art keywords
- puddle mixer
- distribution cabinet
- power distribution
- sand
- water tank
- 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 - Fee Related
Links
Abstract
A kind of mine water sand fracturing device, object improves gas permeability of coal seam, improves gas drainage under suction effect; The utility model comprises fracturing pump, puddle mixer, sand tank, water tank, power distribution cabinet, phase shifting transformer; All be connected by cable between phase shifting transformer with power distribution cabinet, between power distribution cabinet with fracturing pump, between power distribution cabinet with puddle mixer; Water tank is equipped with valve and pipeline interface, is connected by feed flow pipeline between water tank with puddle mixer, between puddle mixer with fracturing pump; Water tank is also connected with underground site water source by feed flow pipeline; Fracturing pump is connected with working site by high pressure line, and the sand tank to puddle mixer supply proppant is placed in after puddle mixer.
Description
Technical field
The utility model relates to a kind of down-hole to carry out pressure break to coal entity and causes crack, then proppant is injected the device in crack.
Background technology
Coal is heterogeneous material, inner containing the defect such as microfissure, hole.Owing to limiting by the condition such as geological conditions, buried depth, the gas permeability difference of coal body is very large, and gas pumping is the necessary means of current projecting mine, highly gassy mine safety in production.At present, the Main Means that highly gassy mine, projecting mine down-hole draw out methane is by drilling take out in advance developing, driving face, then by pump group, with high negative pressure, the gas dissociated in coal seam is released, but for coal body store a large amount of adsorption gas but because gas permeability of coal seam difference can not effectively be released.Therefore, be necessary to adopt more Test Research to improve gas drainage results in down-hole by the method changing gas permeability of coal seam.
Summary of the invention
The utility model object is the deficiency for overcoming above-mentioned prior art, provides a kind of mine water sand fracturing device improving gas permeability of coal seam, improve gas drainage under suction effect.
The utility model comprises fracturing pump, puddle mixer, sand tank, water tank, power distribution cabinet, phase shifting transformer; All be connected by cable between phase shifting transformer with power distribution cabinet, between power distribution cabinet with fracturing pump, between power distribution cabinet with puddle mixer; Water tank is equipped with valve and pipeline interface, is connected by feed flow pipeline between water tank with puddle mixer, between puddle mixer with fracturing pump; Water tank is also connected with underground site water source by feed flow pipeline; Fracturing pump is connected with working site by high pressure line, after sand tank is placed in puddle mixer, to puddle mixer supply proppant.Store pressure sand in sand tank, pressure sand is made up of the proppant of different size.
The maximum pressure of fracturing pump is 45 MP, and maximum stream flow is 90 m3/h, and power of motor is 355 KW.Equipment can carry out colliery fracturing and the sand fracturing construction of maximum pressure 45MPa.Major function realizes fracturing and sand fracturing.Drive work by motor, the rotating speed of conversion fracturing pump can be controlled to adjust operating pressure and discharge capacity.Fracturing pump can one be used alone, also can be several and in parallel to use.
It is 0.2 ~ 0.9 MP that the liquid medium of puddle mixer exports maximum pressure, and flow is 45 m3/h, and power of motor is 315 KW.Major function carries out of the fracturing fluid preparation and conveying, driven by motor, can come compounding ratio and the output operation of controlling and adjustment construction medium according to the running parameter of data display; Also can recording parameters data for the analysis after fulfiling assignment and inspection.
Water tank volume is 6m
3.Major function stores water source.Power distribution cabinet major function is the startup, stopping, speed change etc. that control various equipment, meets the requirement of explosion proof of down-hole.Phase shifting transformer is the power input voltage 10kv/1.14kv of explosion-proof transformer, equipment use voltage 330v.Major function is that solution equipment becomes distribution.
The utility model can by fracturing fluid by high-pressure pump group to substantially exceed in the discharge capacity injection hole of formation absorption ability, partial high pressure is formed at the bottom of hole, and exceed the clossing pressure of drill hole and the tensile strength of rock, broken in coal seam, form crack, and then by load fluid, proppant is taken in crack, make the crack pressed off can under the supporting role of proppant, be unlikely closed, obviously can improve gas permeability of coal seam, improve gas drainage under suction time and gas drainage results.
Accompanying drawing explanation
Fig. 1 is the utility model anatomical connectivity schematic diagram.
Detailed description of the invention
All be connected by cable 7 between phase shifting transformer 6 with power distribution cabinet 5, between power distribution cabinet 5 with fracturing pump 1, between power distribution cabinet 5 with puddle mixer 2; Water tank is equipped with valve and pipeline interface, is connected by feed flow pipeline 8 between water tank 4 with puddle mixer 2, between puddle mixer 2 with fracturing pump 1; Water tank 3 is also connected with underground site water source by feed flow pipeline 8; Fracturing pump 1 is connected with working site fracture well head by high pressure line 9, after sand tank 3 is placed in puddle mixer 2, supplies proppant to puddle mixer 2.
Claims (4)
1. a mine water sand fracturing device, is characterized in that comprising fracturing pump, puddle mixer, sand tank, water tank, power distribution cabinet, phase shifting transformer; All be connected by cable between phase shifting transformer with power distribution cabinet, between power distribution cabinet with fracturing pump, between power distribution cabinet with puddle mixer; Water tank is equipped with valve and pipeline interface, is connected by feed flow pipeline between water tank with puddle mixer, between puddle mixer with fracturing pump; Water tank is also connected with underground site water source by feed flow pipeline; Fracturing pump is connected with working site by high pressure line, and the sand tank to puddle mixer supply proppant is placed in after puddle mixer.
2. mine water sand fracturing device as claimed in claim 1, it is characterized in that the maximum pressure of fracturing pump is 45 MP, maximum stream flow is 90 m3/h, and power of motor is 355 KW.
3. mine water sand fracturing device as claimed in claim 1 or 2, it is characterized in that the liquid medium of puddle mixer exports maximum pressure is 0.2 ~ 0.9 MP, and flow is 45 m
3/ h, power of motor is 315 KW.
4. mine water sand fracturing device as claimed in claim 1 or 2, is characterized in that phase shifting transformer is explosion-proof transformer, power input voltage 10kv/1.14kv, equipment use voltage 330v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120252.3U CN204060662U (en) | 2014-03-18 | 2014-03-18 | Mine water sand fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120252.3U CN204060662U (en) | 2014-03-18 | 2014-03-18 | Mine water sand fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060662U true CN204060662U (en) | 2014-12-31 |
Family
ID=52202200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420120252.3U Expired - Fee Related CN204060662U (en) | 2014-03-18 | 2014-03-18 | Mine water sand fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060662U (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 |
| CN112554789A (en) * | 2020-12-10 | 2021-03-26 | 华北科技学院 | Coal face end suspended ceiling processing device |
| CN113550725A (en) * | 2020-04-26 | 2021-10-26 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
-
2014
- 2014-03-18 CN CN201420120252.3U patent/CN204060662U/en not_active Expired - Fee Related
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 |
| CN113550725A (en) * | 2020-04-26 | 2021-10-26 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
| CN113550725B (en) * | 2020-04-26 | 2024-04-09 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
| CN112554789A (en) * | 2020-12-10 | 2021-03-26 | 华北科技学院 | Coal face end suspended ceiling processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 045000, Shanxi Province, Yangquan Province, Henan Province, Henan Province, building a ventilation Department Patentee after: Snanxi Hongsha 1st Construction Co., Ltd. Address before: 045000, Shanxi Province, Taiyuan Province, Henan Province, Henan Province, building a ventilation Department Patentee before: Snanxi Hongsha 1st Construction Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |