CN203540414U - Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device - Google Patents
Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device Download PDFInfo
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- CN203540414U CN203540414U CN201320717385.4U CN201320717385U CN203540414U CN 203540414 U CN203540414 U CN 203540414U CN 201320717385 U CN201320717385 U CN 201320717385U CN 203540414 U CN203540414 U CN 203540414U
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- motor
- fracturing fluid
- paddle
- blade
- continuous mixing
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- 239000012530 fluid Substances 0.000 title claims abstract description 38
- 238000002156 mixing Methods 0.000 title claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 title abstract 5
- 230000001154 acute effect Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 10
- 239000000203 mixture Substances 0.000 description 7
- 239000002562 thickening agent Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a coaxial bidirectional agitating device for an offshore fracturing fluid continuous mixing device. The coaxial bidirectional agitating device is characterized by comprising an agitating tank and a plurality of agitators, wherein the agitators are uniformly and fixedly arranged in the agitating tank around the central shaft at intervals. Each agitator comprises an upper motor and a lower motor, an upper transmission shaft and a lower transmission shaft, an upper agitating blade and a lower agitating blade, and a shaft coupler; the upper motor and the lower motor are respectively and fixedly arranged on an upper cover plate and a lower cover plate of the agitating tank; the upper end of the upper transmission shaft and the lower end of the lower transmission shaft are respectively and fixedly connected with power output ends of the upper motor and the lower motor; the lower end of the upper transmission shaft and the upper end of the lower transmission shaft are connected by the shaft coupler; and the upper agitating blade and the lower agitating blade are respectively and fixedly arranged on the upper transmission shaft and the lower transmission shaft. When a fracturing fluid is mixed, the upper transmission shaft and the lower transmission shaft are driven by the upper motor and the lower motor to respectively drive the upper agitating blade and the lower agitating blade to do bidirectional rotation around the axis of the shaft coupler so as to shear and mix the fracturing fluid. The coaxial bidirectional agitating device for the offshore fracturing fluid continuous mixing device can be widely applied to an agitating process of liquids including the fracturing fluid and the like.
Description
Technical field
The utility model relates to a kind of agitating device, particularly about a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device.
Background technology
The exploitation in low-permeability oil gas field mainly adopts hydraulic fracturing technology transformation oil reservoir, and the comparative maturity of technology of fracturing work is carried out in oil field, land at present.The key of the success or not of fracturing work depends on the quality of fracturing fluid quality to a great extent, and the main method that improves fracturing fluid quality is to improve thickening agent performance and improve mixture technique.Recent year drops into great effort research thickening agent to improve the performance of thickening agent, and after 2003, land is used blending device performance to be also greatly improved, and continuous mixing device and arrangement and method for construction are mature on the whole, and each elephant is progressively applied at home.But for the exploitation in marine low-permeability oil gas field, owing to being subject to the factor impacts such as the restriction of operation on the sea construction site, marine high investment excessive risk and marine environmental protection, at the Fracturing Technology in oil field, land comparative maturity, be difficult to be directly used in sea.Particularly be applicable to the marine blending device using and also need further research.
Past fracturing work adopts the oil base fracturing fluid take diesel oil as base fluid more, it is to complete the pollution post-processed difficulty that after pressure break back-up sand task, pump ground return face causes large, if large-scale promotion application fracturing technique at sea, must consider aqueous fracturing fluid, and the continuous mixture aqueous fracturing fluid of high-quality is still global problem, subject matter is that hydration rate is slow, take guanidine that powder as main thickening agent, be difficult for and water affinity, in mixture process, also can form large water gaging bag powder (being commonly called as flake), can not after secondary cycle, mix again, and natural swelling time long (more than 120 minutes), these all can not meet marine fracturing work requirement.For making up the problem of hydration rate deficiency, improve liquid dispensing device performance and improve thickening agent performance just most important.At present, offshore oilfield is to shift to an earlier date in batches mixture mode mixture fracturing fluid while carrying out fracturing work, but this mode cannot realize of the fracturing fluid continuous mixture.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of simple in structure, sufficient coaxial two-direction agitating device for marine fracturing fluid continuous mixing device of stirring.
For achieving the above object, the utility model is taked following technical scheme: a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device, it is characterized in that: it comprises an agitator tank and some agitators, some described agitators are evenly fixedly installed in described agitator tank as interval, axle center take the central shaft of described agitator tank; Described in each, agitator comprises that motor on, uploads paddle on moving axis,, a shaft coupling, once paddle, a lower drive shaft and motor once; Described upper motor and lower motor are fixedly installed on respectively on the upper cover plate and lower cover of described agitator tank, the described clutch end of uploading the upper end of moving axis and the lower end of lower drive shaft and be connected to described upper motor and lower motor, describedly upload the lower end of moving axis and the upper end of lower drive shaft is connected by described shaft coupling, described in described upper paddle and lower paddle are separately fixed at, upload on moving axis and lower drive shaft.
Described agitator tank is arranged to cylindrical, and it comprises a tank body, a upper cover plate and a lower cover; Described upper cover plate is arranged on the upper end of described tank body, and described lower cover is arranged on the lower end of described tank body; On described upper cover plate, offer fracturing fluid entrance, on described lower cover, offer fracturing fluid outlet.
On described motor with described in upload the upper end link position of moving axis and the lower end link position of described lower motor and described lower drive shaft is provided with a protective cover.
The blade quantity of described upper paddle and described lower paddle is set to more than two; In the blade of described upper paddle, have one and be horizontally disposed with blade, rest blade is from the horizontal by acute angle and oblique lower setting; In the blade of described lower paddle, have one with blade from the horizontal by acute angle and obliquely arrange, rest blade is from the horizontal by acute angle and oblique lower setting.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is owing to comprising an agitator tank and some agitators, some agitators are evenly fixedly installed in agitator tank as interval, axle center take the central shaft of agitator tank, therefore the utility model is simple in structure, easy for installation, can meet marine fracturing work and space site requirements.2, the utility model is owing to being provided with some agitators in agitator tank, each agitator comprises that motor on, uploads paddle on moving axis,, a shaft coupling, once paddle, a lower drive shaft and motor once, upload moving axis and lower drive shaft drives respectively paddle and lower paddle to do Double-directional rotary along the axle center of shaft coupling under the drive of upper motor and lower motor, fracturing fluid is sheared, stirred, therefore the utility model can fully stir fracturing fluid, thereby shortens mixing time.Based on above advantage, the utility model can be widely used in the whipping process of the liquid such as fracturing fluid.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model
Fig. 2 is the top view of Fig. 1
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Fig. 1～Fig. 2, the utility model comprises an agitator tank 1 and some agitators 2, and some agitators 2 are evenly arranged in agitator tank 1 as interval, axle center take the central shaft of agitator tank 1.
Each agitator 2 comprises on one that motor 21, uploads paddle 23 on moving axis 22,, a shaft coupling 24, once paddle 25, a lower drive shaft 26 and motor 27 once.Upper motor 21 and lower motor 25 are fixedly installed on respectively on upper cover plate 12 and lower cover 13, upload the clutch end that the upper end of moving axis 22 and the lower end of lower drive shaft 26 are connected to motor 21 and lower motor 27, upload the lower end of moving axis 22 and the upper end of lower drive shaft 26 is connected by shaft coupling 24, so that upload moving axis 22 and lower drive shaft 26, can under the drive of upper motor 21 and lower motor 25, realize respectively coaxial two-direction and rotate, upper paddle 23 and lower paddle 25 are separately fixed to be uploaded on moving axis 22 and lower drive shaft 26.
In above-described embodiment; at upper motor 21 and upper end link position and the lower motor 27 of uploading moving axis 22, be provided with a protective cover 28 with the lower end link position of lower drive shaft 26; for the protection of upper motor 21 and lower motor 27, prevented that fracturing fluid from entering in motor 21 and lower motor 27 in whipping process.
In above-described embodiment, agitator tank 1 is arranged to cylindrical.
In above-described embodiment, the needs in flow field in agitator tank 1 during according to actual job, the blade quantity of upper paddle 23 and lower paddle 25 is set to more than two, wherein, in the blade of upper paddle 23, have one and be horizontally disposed with blade, rest blade is from the horizontal by acute angle and oblique lower setting; In the blade of lower paddle 25, have one with blade from the horizontal by acute angle and obliquely arrange, rest blade is from the horizontal by acute angle and oblique lower setting.
While adopting the coaxial two-direction agitating device for marine fracturing fluid continuous mixing device of the present utility model to stir fracturing fluid, of the fracturing fluid liquid level exceeds paddle 23, motor 21 and lower motor 27 in unlatching, uploading moving axis 22 and lower drive shaft 26 drives respectively paddle 23 and lower paddle 25 to do Double-directional rotary along the axle center of shaft coupling 24, fracturing fluid is sheared, stirred, thereby fracturing fluid is fully stirred and shortens mixing time.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (5)
1. the coaxial two-direction agitating device for marine fracturing fluid continuous mixing device, it is characterized in that: it comprises an agitator tank and some agitators, some described agitators are evenly fixedly installed in described agitator tank as interval, axle center take the central shaft of described agitator tank; Described in each, agitator comprises that motor on, uploads paddle on moving axis,, a shaft coupling, once paddle, a lower drive shaft and motor once; Described upper motor and lower motor are fixedly installed on respectively on the upper cover plate and lower cover of described agitator tank, the described clutch end of uploading the upper end of moving axis and the lower end of lower drive shaft and be connected to described upper motor and lower motor, describedly upload the lower end of moving axis and the upper end of lower drive shaft is connected by described shaft coupling, described in described upper paddle and lower paddle are separately fixed at, upload on moving axis and lower drive shaft.
2. a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device as claimed in claim 1, is characterized in that: described agitator tank is arranged to cylindrical, and it comprises a tank body, a upper cover plate and a lower cover; Described upper cover plate is arranged on the upper end of described tank body, and described lower cover is arranged on the lower end of described tank body; On described upper cover plate, offer fracturing fluid entrance, on described lower cover, offer fracturing fluid outlet.
3. a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device as claimed in claim 1, is characterized in that: on described motor with described in upload the upper end link position of moving axis and the lower end link position of described lower motor and described lower drive shaft is provided with a protective cover.
4. a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device as claimed in claim 2, is characterized in that: on described motor with described in upload the upper end link position of moving axis and the lower end link position of described lower motor and described lower drive shaft is provided with a protective cover.
5. a kind of coaxial two-direction agitating device for marine fracturing fluid continuous mixing device as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the blade quantity of described upper paddle and described lower paddle is set to more than two; In the blade of described upper paddle, have one and be horizontally disposed with blade, rest blade is from the horizontal by acute angle and oblique lower setting; In the blade of described lower paddle, have one with blade from the horizontal by acute angle and obliquely arrange, rest blade is from the horizontal by acute angle and oblique lower setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717385.4U CN203540414U (en) | 2013-11-14 | 2013-11-14 | Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717385.4U CN203540414U (en) | 2013-11-14 | 2013-11-14 | Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device |
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| Publication Number | Publication Date |
|---|---|
| CN203540414U true CN203540414U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717385.4U Expired - Lifetime CN203540414U (en) | 2013-11-14 | 2013-11-14 | Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device |
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| CN (1) | CN203540414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623732A (en) * | 2013-11-14 | 2014-03-12 | 中国海洋石油总公司 | Coaxial bidirectional stirring device used in continuous offshore fracturing fluid blending device |
-
2013
- 2013-11-14 CN CN201320717385.4U patent/CN203540414U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103623732A (en) * | 2013-11-14 | 2014-03-12 | 中国海洋石油总公司 | Coaxial bidirectional stirring device used in continuous offshore fracturing fluid blending device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |