CN204200126U - A kind of drilling fluid plastic beads recycling can - Google Patents
A kind of drilling fluid plastic beads recycling can Download PDFInfo
- Publication number
- CN204200126U CN204200126U CN201420642649.9U CN201420642649U CN204200126U CN 204200126 U CN204200126 U CN 204200126U CN 201420642649 U CN201420642649 U CN 201420642649U CN 204200126 U CN204200126 U CN 204200126U
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- CN
- China
- Prior art keywords
- recycling
- plastic beads
- drilling fluid
- tank body
- landwaste
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Abstract
The utility model relates to a kind of drilling fluid plastic beads recycling can, belongs to petroleum drilling fluid solid control technology field.This drilling fluid plastic beads recycling can comprises tank body and mixing plant, tank body is cylindrical tank, bottom is half elliptic chamber, landwaste suction pipe is installed in the bottom cavity of tank body, its upper can sidewall is provided with plastic beads suction pipe, be welded with the vertical clapboard of at least 2 pieces of circumference uniform distributions in the middle part of tank body cavity, vertical clapboard is fitted with back taper dividing plate.The utility model by arranging dispersion area and decanting zone in recycling can, effectively can to solve in tank dispersed with stirring to the impact of particles settling, by devising combination barrier, reduce and slow down rotating flow that liquid produces and axial flow, significantly reduce because dispersion is stirred depositional impact in tank, improve the settling efficiency of recycling can, recycling can is when recycled plastic bead, more than 92% is reached to the plastic beads rate of recovery of particle diameter 0.5 ~ 2.0mm, meets on-the-spot requirement.
Description
Technical field
The utility model relates to a kind of drilling fluid plastic beads recycling can, belongs to petroleum drilling fluid solid control technology field.
Background technology
Drilling fluid plastic beads is a kind of petroleum drilling fluid kollag, and when boring extended reach well or horizontal well, be used to a kind of additive preventing differential sticking and reduce drilling tool frictional resistance, its granularity 0.154 ~ 2.0mm, density is 1.03 ~ 1.05 × 10
3kg/m
3.During use, the volume ratio of plastic beads in drilling fluid is generally 1 ~ 1.5%, and drilling fluid plastic beads is normally creeping into and using in two stages of setting of casing respectively at the scene.Plastic beads is distributed in drilling fluid, stick on the borehole wall when forming mud cake, produce various " miniature bearing ", thus the way of contact of drilling tool and the borehole wall is changed, become " point cantact " from " face contact ", and " support " effect is played to drilling tool, thus reach the object preventing differential sticking, reduce drilling tool frictional resistance, the generation of down-hole complex accident can be greatly reduced.
Plastic beads is used in the stage of normally creeping into, the method recycled has gets rid of retirement method and scalping method of reutilization: getting rid of retirement method is install detailed catalogue screen cloth on the vibrating, plastic beads and landwaste are together sifted out discarded, and then before mud enters well, add new plastic beads, this method causes the serious waste of plastic beads; Scalping method of reutilization installs wide-meshed screen on the vibrating, about being generally 8 orders, this method only filters oarse-grained landwaste, the landwaste being less than or equal to plastic beads particle diameter is stayed in drilling fluid together with plastic beads, drilling fluid and plastic beads recycle back into well after the purification of the solid controlling circulating system, this method, because vibrosieve has only filtered bulky grain landwaste, remains the wearing and tearing that a large amount of landwaste can cause follow-up solid controlling system too early, easily causes equipment fault.
When using plastic beads in the setting of casing stage, to the plastic beads returned out, the method generally all adopting artificial net to drag at present is to reclaim plastic beads.
Plastic beads to be reclaimed and carry out recycling or store with for subsequent use, plastic beads retracting device must be used, and recycling can is the core component of retracting device, its effect is that the mixture of landwaste and the plastic beads sieving out by drilling fluid vibrating sieve carries out sedimentation separation.
US Patent No. RE38367 discloses a kind of plastic beads retracting device, and described retracting device comprises the framework of a recycling can and stirring system, and recycling can comprises four side plates, and every side plate has upper and lower side, and two side plate lower ends crossfade into taper mutually.This recycling can is square cone tank, is provided with agitator in tank, and because its tank body is square, liquid agitation has dead angle, is unfavorable for the abundant dispersion of mixture.Meanwhile, because the sedimentation separation in recycling can of plastic beads and landwaste belongs to gravitational settling, in gravitational settling, the Particle free settling efficiency under liquid inactive state is the highest.Agitator dispersed with stirring mixture in recycling can, will affect the sedimentation of particle by stirring the liquid turbulent flow produced, and causing organic efficiency to reduce.
Summary of the invention
The purpose of this utility model is that the recycling can settling efficiency in order to solve plastic beads retracting device is low, disperses the technical problem had an impact to settlement action, and provides a kind of drilling fluid plastic beads recycling can.
For achieving the above object, the utility model is achieved through the following technical solutions:
The utility model comprises tank body and mixing plant, tank body is cylindrical tank, bottom is half elliptic chamber, landwaste suction pipe is installed in the bottom cavity of tank body, its upper can sidewall is provided with plastic beads suction pipe, be welded with the vertical clapboard of at least 2 pieces of circumference uniform distributions in the middle part of tank body cavity, vertical clapboard is fitted with back taper dividing plate.
Described mixing plant comprises motor and reducer, power transmission shaft and paddle, and paddle comprises landwaste paddle and mixture dispersion oar, and landwaste paddle is arranged on power transmission shaft lower end, is placed in the half elliptic chamber of tank base; Mixture dispersion oar is arranged on the middle part of power transmission shaft, is placed in the top of vertical clapboard.
The blade of described mixture dispersion oar is grid-like, and its diameter is greater than the diameter of landwaste paddle.
Vertical clapboard outside described back taper dividing plate is inserted and is welded with conical baffle, its upper diameter is greater than the diameter of the back taper dividing plate in same level cross section.
The beneficial effects of the utility model: the utility model by arranging dispersion area and decanting zone in recycling can, can to solve in tank dispersed with stirring effectively on the impact of particles settling.Recycling can top is dispersion area, for dispersed mixture, being decanting zone below dispersion area, mainly playing the effect of sedimentation cutting grain, by devising combination barrier, reduce and slow down rotating flow that liquid produces and axial flow, significantly reduce because dispersion is stirred depositional impact in tank, improve the settling efficiency of recycling can, recycling can is when recycled plastic bead, more than 92% is reached to the plastic beads rate of recovery of particle diameter 0.5 ~ 2.0mm, meets on-the-spot requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In Fig. 1: 1 tank body; 2 vertical clapboards; 3 conical baffles; 4 back taper dividing plates; 5 motors and reducer; 6 power transmission shafts; 7 mixture dispersion pulps; 8 landwaste paddles; 9 landwaste suction pipes; 10 plastic beads suction pipes.
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
The utility model, as shown in Figure 1, comprise tank body 1 and mixing plant, tank body 1 is cylindrical tank, bottom is half elliptic chamber, and be provided with landwaste suction pipe 9 in the bottom cavity of tank body 1, its upper can sidewall is provided with plastic beads suction pipe 10, be welded with the vertical clapboard 2 of at least 2 pieces of circumference uniform distributions in the middle part of tank body cavity, vertical clapboard 2 is fitted with back taper dividing plate 4.
Described mixing plant comprises motor and reducer 5, power transmission shaft 6 and paddle, and paddle comprises landwaste paddle 8 and mixture dispersion oar 7, and landwaste paddle 8 is arranged on power transmission shaft 6 lower end, is placed in the half elliptic chamber of tank base; Mixture dispersion oar 7 is arranged on the middle part of power transmission shaft 6, is placed in the top of vertical clapboard 2.
The blade of described mixture dispersion oar 7 is grid-like, and its diameter is greater than the diameter of landwaste paddle 8.
Vertical clapboard 2 outside described back taper dividing plate 4 is inserted and is welded with conical baffle 3, its upper diameter is greater than the diameter of the back taper dividing plate 4 in same level cross section.
During work, be contained with sedimentation medium in recycling can, the density of this medium is between plastic beads and the density of landwaste, and landwaste and plastic beads produce the settlement action declining and float in media as well respectively.The effect of recycling can is disperseed and sedimentation by the mixture of the landwaste entered in tank and plastic beads, and the transport pump that the landwaste after dispersion and plastic beads are recovered device outfit is separated to vibrosieve and hydrocyclone.
After the mixture of landwaste and plastic beads enters tank body 1, motor and reducer 5 drive power transmission shaft 6 to rotate, power transmission shaft 6 drives mixture to disperse oar 7 and landwaste paddle 8 to rotate, the mixture of mixture dispersion oar 7 to parcel, the landwaste be mingled with and plastic beads rotated stirs and disperses, the cell structure of mixture dispersion oar 7, when dispersed with stirring mixture, the stirring action to liquid can be slowed down, avoid pot liquid to produce larger turbulent flow.The vertical clapboard 2 arranged in recycling can 1 stops that pot liquid rotates and avoids liquid to produce circulation, and conical baffle 3 and back taper dividing plate 4 barrier liquid are avoided producing axial flow.The mixture of landwaste and plastic beads is after recycling can top disperses, and due to the effect of density contrast, landwaste sinks down at the bottom of tank, and plastic beads floats over tank top.The landwaste sinking down into pot bottom via landwaste suction pipe 9 be transferred transport pump to vibrosieve from, the plastic beads floating over tank top is transferred transport pump via plastic beads suction pipe 10 and is separated to cyclone, thus completes the sedimentation separation to landwaste and plastic beads.The landwaste paddle 8 be arranged on bottom tank body 1 makes to be deposited to the suspension of cuttings bottom tank body 1, avoids precipitation and the blocking plastic beads suction pipe 10 of cutting grain.
Claims (4)
1. a drilling fluid plastic beads recycling can, it is characterized in that: comprise tank body (1) and mixing plant, tank body (1) is cylindrical tank, bottom is half elliptic chamber, landwaste suction pipe (9) is installed in the bottom cavity of tank body (1), its upper can sidewall is provided with plastic beads suction pipe (10), be welded with the vertical clapboard (2) of at least (2) block circumference uniform distribution in the middle part of tank body cavity, vertical clapboard (2) is fitted with back taper dividing plate (4).
2. a kind of drilling fluid plastic beads recycling can according to claim 1, it is characterized in that: described mixing plant comprises motor and reducer (5), power transmission shaft (6) and paddle, paddle comprises landwaste paddle (8) and mixture dispersion oar (7), landwaste paddle (8) is arranged on power transmission shaft (6) lower end, is placed in the half elliptic chamber of tank base; Mixture dispersion oar (7) is arranged on the middle part of power transmission shaft (6), is placed in the top of vertical clapboard (2).
3. a kind of drilling fluid plastic beads recycling can according to claim 1 and 2, is characterized in that: the blade of described mixture dispersion oar (7) is grid-like, and its diameter is greater than the diameter of landwaste paddle (8).
4. a kind of drilling fluid plastic beads recycling can according to claim 1, it is characterized in that: upper the inserting of vertical clapboard (2) in described back taper dividing plate (4) outside is welded with conical baffle (3), and its upper diameter is greater than the diameter of the back taper dividing plate (4) in same level cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642649.9U CN204200126U (en) | 2014-10-31 | 2014-10-31 | A kind of drilling fluid plastic beads recycling can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642649.9U CN204200126U (en) | 2014-10-31 | 2014-10-31 | A kind of drilling fluid plastic beads recycling can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200126U true CN204200126U (en) | 2015-03-11 |
Family
ID=52658095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420642649.9U Expired - Fee Related CN204200126U (en) | 2014-10-31 | 2014-10-31 | A kind of drilling fluid plastic beads recycling can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200126U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480033A (en) * | 2018-03-07 | 2018-09-04 | 中国工程物理研究院激光聚变研究中心 | A kind of microballoon screening plant |
| CN109252818A (en) * | 2017-07-14 | 2019-01-22 | 中国石油天然气股份有限公司 | drilling fluid tank |
-
2014
- 2014-10-31 CN CN201420642649.9U patent/CN204200126U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252818A (en) * | 2017-07-14 | 2019-01-22 | 中国石油天然气股份有限公司 | drilling fluid tank |
| CN109252818B (en) * | 2017-07-14 | 2023-09-26 | 中国石油天然气股份有限公司 | Drilling fluid tank |
| CN108480033A (en) * | 2018-03-07 | 2018-09-04 | 中国工程物理研究院激光聚变研究中心 | A kind of microballoon screening plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |