CN212440893U - Fluid loss additive preparation facilities - Google Patents
Fluid loss additive preparation facilities Download PDFInfo
- Publication number
- CN212440893U CN212440893U CN202020649586.5U CN202020649586U CN212440893U CN 212440893 U CN212440893 U CN 212440893U CN 202020649586 U CN202020649586 U CN 202020649586U CN 212440893 U CN212440893 U CN 212440893U
- Authority
- CN
- China
- Prior art keywords
- container
- rod
- rotating shaft
- baffle
- fluid loss
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000654 additive Substances 0.000 title claims description 13
- 230000000996 additive effect Effects 0.000 title claims description 13
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 239000000706 filtrate Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 238000002156 mixing Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005553 drilling Methods 0.000 description 9
- 239000012065 filter cake Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- -1 diesel oil Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Images
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a filtrate reducer preparation device, which relates to the technical field of filtrate reducer processing equipment and comprises a bottom plate, wherein a container is fixedly connected on the bottom plate, the bottom end of the container is communicated with a discharge pipe, the upper end of the container is communicated with a main feed hopper, the middle part of the container is vertically provided with a rotating shaft, and the rotating shaft is connected with a driving mechanism; the outer surface of the rotating shaft is radially provided with a plurality of telescopic stirring shafts, and the inner wall of the container is provided with a baffle which enables the telescopic stirring shafts to stretch when rotating. The utility model discloses a flexible (mixing) shaft and the flexible design of baffle cooperation, flexible (mixing) shaft is continuous concertina movement under the orbit of baffle, drives the stirring leaf motion on it in concertina movement to make the solvent in the container increase radial sliding mixing in rotatory the mixing, it is more even to the dispersion of container edge to compare traditional technique.
Description
Technical Field
The utility model relates to a fluid loss additive processing equipment technical field especially relates to a fluid loss additive preparation facilities.
Background
During the drilling process, due to the action of the pressure difference, the water in the drilling fluid is inevitably lost to the stratum through the well wall, so that the drilling fluid loses water. As water enters the formation, clay particles in the drilling fluid adhere to the wellbore wall to form a "filter cake," forming a filter cake wellbore. As the well wall of the filter cake is much denser than the original well wall, the filter cake prevents the drilling fluid from further losing water on one hand and plays a role in protecting the well wall on the other hand. However, in the process of forming a filter cake well wall, the normal drilling is affected by excessive water content of filtration, the filter cake is too thick, fine clay particles enter a stratum along with water content and the like, the stratum is damaged, the filtration of the drilling fluid and the filtration of the drilling fluid in the process of drilling the well are inevitable, and the filter cake can be formed through the filtration to protect the well wall.
The main agent of the liquid fluid loss additive for the water-based fracturing fluid is usually hydrocarbon, such as diesel oil, crude toluene, crude oil in a mine field and the like. The main action mechanism of the filtrate reducer is that oil-in-water (micro) emulsion is formed in water, the filtration of the emulsion through a filter cake is two-phase flow, and the resistance is large, so that the water permeability of the filter cake is reduced. Hydrocarbons and water are not mutually soluble, and diesel oil floats upwards and layers after the liquid is prepared and placed overnight.
The fluid loss additive usually needs to be mixed with a dispersing agent, a petroleum product and the like through mixing equipment during processing, and the existing mixing device can only realize simple stirring, is not sufficient in mixing and cannot play a good dispersing role, particularly at the edge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a fluid loss additive preparation device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a filtrate reducer preparation device comprises a bottom plate, wherein a container is fixedly connected to the bottom plate, a discharge pipe is communicated with the bottom end of the container, a main feed hopper is communicated with the upper end of the container, a rotating shaft is vertically arranged in the middle of the container, and the rotating shaft is connected with a driving mechanism;
the outer surface of the rotating shaft is radially provided with a plurality of telescopic stirring shafts, and the inner wall of the container is provided with a baffle which enables the telescopic stirring shafts to stretch when rotating.
Preferably, the top end of the container is provided with at least one secondary feed hopper.
Preferably, the baffle adopts a crescent structure.
Preferably, the driving mechanism is a servo motor, and the servo motor is connected with a servo controller.
Preferably, flexible (mixing) shaft is formed by female pole and the nested slip of son pole two parts, the one end that son pole kept away from female pole is provided with a plurality of stirring leaves radially, female pole and pivot fixed connection, the one end and the baffle rolling friction that mother pole was kept away from to son pole.
Preferably, a ball is arranged at one end port of the secondary rod, which is far away from the primary rod.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model discloses a flexible (mixing) shaft and the flexible design of baffle cooperation, flexible (mixing) shaft is continuous concertina movement under the orbit of baffle, drives the stirring leaf motion on it in concertina movement to make the solvent in the container increase radial sliding mixing in rotatory the mixing, it is more even to the dispersion of container edge to compare traditional technique.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention.
In the figure: 1 bottom plate, 2 containers, 3 feeder hoppers, 4 main feeder hoppers, 5 bearing seats, 6 rotating shafts, 7 telescopic stirring shafts, 71 mother rods, 72 son rods, 8 stirring blades, 9 baffles, 10 driving mechanisms, 11 supporting legs and 12 discharging pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a fluid loss additive preparation device comprises a bottom plate 1, wherein a container 2 is fixedly connected to the bottom plate 1, the joint of the bottom plate and the container is sealed, the bottom end of the container 2 is communicated with a discharge pipe 12, and a valve or an electromagnetic valve can be arranged on the discharge pipe 12.
The upper end intercommunication of container 2 has main feeder hopper 4, and the top of container 2 is provided with at least one inferior feeder hopper 3, and inferior feeder hopper 3 is used for supplementary feeding.
The container 2 is of inverted funnel-shaped configuration, as shown in figure 1, and is arranged in such a way
The middle part of the container 2 is vertically provided with a rotating shaft 6, and the upper end and the lower end of the rotating shaft 6 are rotatably connected on the container 2 or the bottom plate 1 through bearing seats of the built-in deep groove ball bearings.
The rotating shaft 6 is connected with a driving mechanism, the driving mechanism 10 is a servo motor, the servo motor is connected with a servo controller, and the servo motor with a rotating function commonly available on the market can be adopted, and the description is omitted here.
The outer surface of the rotating shaft 6 is radially provided with a plurality of telescopic stirring shafts 7, each telescopic stirring shaft 7 is formed by nesting and sliding two parts, namely a female rod 71 and a sub-rod 72, one end, far away from the female rod 71, of the sub-rod 72 is radially provided with a plurality of stirring blades 8, the female rod 71 is fixedly connected with the rotating shaft 6, one end, far away from the female rod 71, of the sub-rod 72 is in rolling friction with the baffle 9, one end, far away from the female rod 71, of the sub-rod 72 is provided with a ball, and the ball changes the sliding friction.
Be provided with on the inner wall of container 2 and make flexible (mixing) shaft 7 flexible baffle 9 when rotating, baffle 9 adopts crescent structure, shows like figure 2 to can be so that the continuous flexible along the crescent orbit under the effect of the centrifugal force of flexible (mixing) shaft 7.
Add the petroleum product through main feeder hopper 4, add the dispersant through inferior feeder hopper 3, disperse in container 2, through the 12 ejection of compact of discharging pipe, concrete dispersion principle as follows:
the servo motor 10 is driven by the servo controller, the servo motor 10 drives the telescopic stirring shaft 7 to rotate through the rotating shaft 6, and the telescopic stirring shaft 7 is composed of a female rod 71 and a sub rod 72, so that the sub rod 72 is attached to the baffle 9 in centrifugal motion in the rotating process and continuously stretches along the track of the baffle 9, the stirring blades 8 are driven to axially move along the sub rod 72, and the dispersion performance of the edge of the container 2 is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A filtrate reducer preparation device comprises a bottom plate (1), and is characterized in that a container (2) is fixedly connected to the bottom plate (1), a discharge pipe (12) is communicated with the bottom end of the container (2), a main feed hopper (4) is communicated with the upper end of the container (2), a rotating shaft (6) is vertically arranged in the middle of the container (2), and the rotating shaft (6) is connected with a driving mechanism;
the outer surface of the rotating shaft (6) is radially provided with a plurality of telescopic stirring shafts (7), and the inner wall of the container (2) is provided with a baffle (9) which enables the telescopic stirring shafts (7) to stretch when rotating.
2. A fluid loss additive preparation device as claimed in claim 1, wherein the top end of the container (2) is provided with at least one secondary feed hopper (3).
3. A fluid loss additive manufacturing apparatus as claimed in claim 1, wherein the baffle (9) is of crescent configuration.
4. A fluid loss additive manufacturing apparatus as claimed in claim 1, wherein the drive mechanism (10) is a servo motor, and the servo motor is connected to a servo controller.
5. The fluid loss additive preparation device according to claim 1, wherein the telescopic stirring shaft (7) is formed by nesting and sliding a female rod (71) and a sub-rod (72), a plurality of stirring blades (8) are radially arranged at one end of the sub-rod (72) far away from the female rod (71), the female rod (71) is fixedly connected with the rotating shaft (6), and one end of the sub-rod (72) far away from the female rod (71) is in rolling friction with the baffle (9).
6. A fluid loss additive preparation device as claimed in claim 5, wherein a ball is provided at a port of the sub-rod (72) remote from the female rod (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649586.5U CN212440893U (en) | 2020-04-26 | 2020-04-26 | Fluid loss additive preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649586.5U CN212440893U (en) | 2020-04-26 | 2020-04-26 | Fluid loss additive preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212440893U true CN212440893U (en) | 2021-02-02 |
Family
ID=74468554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020649586.5U Expired - Fee Related CN212440893U (en) | 2020-04-26 | 2020-04-26 | Fluid loss additive preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212440893U (en) |
-
2020
- 2020-04-26 CN CN202020649586.5U patent/CN212440893U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |