CN211436411U - Wet-method piece stripping machine for producing activated barite for drilling fluid - Google Patents

Abstract

The utility model discloses a wet process stripping machine of production activation barite for drilling fluid for solve prior art preparation activation barite and take place easily to deposit the layering and lead to the barite to strip the not good problem of piece effect, its structure includes: frame, stripping part, electrical system, charge-in system, stripping part includes again: a stripping section of thick bamboo, the stripping dish, wherein the stripping dish is connected with electrical system, rotate in the stripping section of thick bamboo during use, the stripping medium has been placed between the stripping dish, the barite collision each other in stripping medium and the ore pulp, smash the barite and stir the ore pulp simultaneously, bottom at the stripping dish is provided with the exhaust end, the bubble can be discharged to the exhaust end, the screw that the stripping dish bottom set up simultaneously promotes the ore pulp downwards, make the ore pulp that is located the bottom along the inboard face up motion of the stripping section of thick bamboo, and follow the downward motion once more, re-enter the stripping dish in, through the mobile mode of repetition this kind of circulation, barite precipitation has effectively been avoided, and the stripping effect has been improved.

Description

Wet-method piece stripping machine for producing activated barite for drilling fluid

Technical Field

The utility model belongs to the technical field of non-metallic powder preparation equipment, concretely relates to wet process flaker of production activation barite for drilling fluid.

Background

The barite is a non-metallic mineral product taking barium sulfate as a main component, pure barite is white, glossy, stable in chemical property, insoluble in water and hydrochloric acid, free of magnetism and toxicity, and widely applied to industries such as petroleum and papermaking, wherein the barite is mainly used in drilling fluid in the petroleum industry and used as a weighting agent, the specific gravity of slurry is often lower in the process of drilling oil and gas wells and cannot be balanced with the pressure of underground oil and gas, so that blowout accidents are caused, the specific gravity of the slurry needs to be increased under the condition of higher bottom pressure, and the addition of the barite powder into the slurry is an effective measure for increasing the specific gravity of the slurry The probability of inducing blowout is increased, so that the surface of barite particles is modified in the prior art, the potential, the hydrophilicity, the structural activity and the like of the surface of the barite particles are increased, and the gravity stability of the barite in slurry is improved; an article entitled "preparation of ultrafine active barite" is published in the china journal "journal of the university of south-central industry" at the 31 st volume, 4 months 2000, and the second phase, wherein a process route for preparing the activated barite in the prior art is disclosed, namely: ore-coarse crushing-fine crushing-acid washing-rinsing-size mixing-multi-stage stripping-filtering-drying, wherein an activating agent is added in the multi-stage stripping stage, and the barite is stirred while stripping.

The stripping machine in the prior art mainly comprises a transmission mechanism, a screen cover, a stripping device, a stripping barrel and the like, wherein the stripping device is a high-speed rotating component and comprises a coupler, a shaft, a leaf disc, a stripping disc, a backing ring, a machine body and the like, wherein the leaf disc, the stripping disc, the backing ring and the machine body are arranged on the shaft; the stripping cylinder is of an inner and outer interlayer structure, and cooling water can be introduced into the interlayer during operation; the upper part of the stripping cylinder is provided with a screen to prevent the grinding medium from being discharged along with the slurry; the stripping machine is fed from the bottom and discharged from the upper part, and the working process is as follows: the ore pulp is fed into the stripping barrel from the barrel bottom through a feeding pump system, under the high-speed rotation of a stripping device, a stripping disc strongly stirs grinding media and materials which are arranged in the barrel, the grinding media exert acting forces such as extrusion, grinding, impact, shearing and the like on the materials to enable the materials to be ground or stripped, and the ground fine particle slurry is upwards discharged from a discharge port after passing through a screen to separate the media.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wet process flaker of production activation barite for drilling fluid can effectively avoid the problem of barite deposit layering in the use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wet method stripping machine for producing activated barite for drilling fluid comprises a frame, an electrical system, a feeding system and a stripping part, wherein the stripping part comprises: a stripping section of thick bamboo, peeling plate, a stripping section of thick bamboo includes: the device comprises a cylinder wall, a feeding hole and a discharging pipe, wherein the cylinder wall is a cylinder, the feeding hole is formed in the top surface of the cylinder, the feeding hole is formed in a position other than the circle center of the top surface, the discharging pipe is arranged at the circle center of the bottom surface of the cylinder wall, and the bottom surface of the inner side of the cylinder wall is a cambered surface which is concave downwards towards the circle center of; the stripping disc is positioned in the stripping barrel and comprises a rotating shaft, rotating discs and propellers, the rotating shaft is positioned at the axis of the barrel wall, one upward end of the rotating shaft penetrates through the top surface of the barrel wall to be connected with a driving device on the rack, the rotating shaft is positioned in the stripping barrel and is also fixed with the rotating discs parallel to the horizontal plane, more than one rotating disc is arranged on the rotating shaft at a fixed gap, a stripping medium is placed between every two adjacent rotating discs, the propellers are arranged below the rotating discs, and the thrust surfaces of the propellers face downwards.

Furthermore, evenly be provided with the water conservancy diversion bead on the inboard side of section of thick bamboo wall, the water conservancy diversion bead is protruding in the inboard rectangular area of section of thick bamboo wall, and vertical setting, the water conservancy diversion bead is more than one, and evenly distributed is inboard at the section of thick bamboo wall, and the water conservancy diversion bead surface is crude.

Furthermore, the flow guide convex edges are also provided with baffle rings parallel to the horizontal plane, the quantity of the baffle rings is the same as that of the rotating discs on the stripping disc, the inner diameter of each baffle ring is larger than the outer diameter of each rotating disc, and the thickness of each baffle ring is larger than that of each rotating disc.

Furthermore, a plurality of grinding protrusions are uniformly arranged on the rotating disc, and the grinding protrusions are hemispherical convex blocks protruding outwards.

Furthermore, the rotating shaft is a hollow pipe, an air pipe is arranged inside the rotating shaft, the air pipe is not in contact with the rotating shaft and does not rotate along with the rotating shaft, an exhaust end is arranged at one end, located in the stripping barrel, of the rotating shaft, the exhaust end is of a hollow structure, and an exhaust hole is formed in the bottom surface of the exhaust end.

The utility model discloses following beneficial effect has at least:

(1) the liquid in the stripping cylinder is fully stirred by the gas generated by the propeller matched with the exhaust end, so that the barite powder can not be deposited at the bottom due to the movement of the barite powder along with the liquid.

(2) The through groove between the grinding convex ridges on the inner wall of the stripping barrel is a passage for liquid to move upwards, and when the propeller moves, the pushed liquid can move upwards, so that ore pulp in the stripping barrel can be fully stirred.

(3) The gap between the rotating disc and the baffle ring always exists in the rotating process of the rotating disc, and the barite powder can sink through the gap and circularly move in the stripping barrel after being pushed by the propeller.

(4) The grinding protrusions are arranged on the rotating disc, the surfaces of the diversion protruding edges are rough, and the crushing degree of the barite powder can be enhanced.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 schematically shows a state diagram of the use of the invention;

fig. 2 schematically shows a schematic structural view of a thin sheet part in the present invention;

FIG. 3 is a schematic view showing a cross-sectional structure taken along the line A-A in FIG. 2;

wherein the figures include the following reference numerals:

11-base, 12-support, 13-motor, 2-stripping cylinder, 21-cylinder wall, 22-guide rib, 23-feed inlet, 24-discharge pipe, 25-baffle ring, 31-rotating shaft, 32-exhaust end, 33-air pipe, 34-propeller, 35-grinding convex and 36-rotating disk.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Examples

Fig. 1-3 show a wet method flaking machine of activated barite for producing drilling fluid for solving the problem that the activated barite prepared by the prior art is easy to precipitate and delaminate, resulting in poor barite flaking effect, and the structure thereof comprises: frame, stripping part, electrical system, charge-in system, stripping part includes again: stripping section of thick bamboo 2, the stripping dish, wherein the stripping dish is connected with electrical system, rotate in stripping section of thick bamboo 2 during the use, the stripping medium has been placed between the stripping dish, the barite collision each other in stripping medium and the ore pulp, smash the barite and stir the ore pulp simultaneously, bottom at the stripping dish is provided with exhaust end 32, exhaust end 32 can discharge the bubble, the screw 34 that the stripping dish bottom set up simultaneously promotes the ore pulp downwards, make the ore pulp that is located the bottom upwards move along the inboard face of stripping section of thick bamboo 2, and follow the downward motion once more, re-enter in the stripping dish, through the mobile mode of repetition this kind of circulation, barite precipitation has effectively been avoided, and the stripping effect has been improved.

The utility model discloses a: frame, stripping part, electrical system, charge-in system, wherein frame, electrical system, charge-in system are ripe prior art, and electrical system and motor 13 circuit connection in the frame, charge-in system lets in the stripping section of thick bamboo 2 of stripping part with the ore pulp of modulating, need not artifical material loading, as shown in figure 1, the frame includes: base 11, support 12, motor 13, support 12 and a section of thick bamboo 2 of peeling off are installed on base 11, and support 12 fixes motor 13 in a section of thick bamboo 2 top of peeling off, and motor 13 is connected with the disk of peeling off in the section of peeling off, and the high-speed rotation of drive disk of peeling off is smashed the barite through the media of peeling off between the disk that lies in the section of peeling off and a section of thick bamboo 2 of peeling off and the barite collision in the ore pulp, makes its granularity further reduce.

The stripping drum 2 comprises: the device comprises a cylinder wall 21, a feed inlet 23 and a discharge pipe 24, wherein the cylinder wall 21 is a hollow cylinder, two ends of the cylinder wall 21 are planes, the bottom surface of the cylinder wall 21 is fixed on a base 11, the top surface of the cylinder wall is provided with the feed inlet 23, the feed inlet 23 is arranged at a position which is not the center of the top surface, the feed inlet 23 is provided with an openable cover plate, when in work, the feed inlet 23 is sealed through the cover plate to avoid the overflow of ore pulp in the feed inlet, the discharge pipe 24 is arranged at the center of the bottom surface of the cylinder wall 21, the discharge pipe 24 is provided with a switch, the connection and the connection of the discharge pipe 24 are controlled through the switch, the ore pulp after the stripping process is finished is discharged, the bottom surface at the inner side of the cylinder wall 21 is a cambered surface which is concave towards the center of the bottom, the flow of the ore pulp is smoother.

Further, evenly be provided with water conservancy diversion bead 22 on the inboard side of section of thick bamboo wall 21, as shown in fig. 2, water conservancy diversion bead 22 is outside bellied rectangular, perpendicular with the horizontal plane, more than one water conservancy diversion bead 22, evenly distributed is in section of thick bamboo wall 21 inboard, water conservancy diversion bead 22 is surperficial coarse, can increase with the friction area of the barite in the ore pulp, improve the effect of peeling off the piece processing, still be fixed with the fender ring 25 parallel with the horizontal plane on the water conservancy diversion bead 22, fender ring 25 is same more than one again, but the quantity the same with the last driving disk 36 of peeling off the piece dish, the internal diameter of fender ring 25 is greater than the external diameter of driving disk 36, and thickness is greater than the thickness of driving disk 36, the space between fender ring 25 and water conservancy diversion bead 22 is used.

The stripping disc comprises a rotating shaft 31, a rotating disc 36 and a propeller 34, wherein the rotating shaft 31 is positioned at the axis position of the cylinder wall 21, one end of the rotating shaft 31 penetrates through the top surface of the cylinder wall 21 to be connected with the motor 13 and is driven by the motor 13 to rotate, the rotating shaft 31 is also fixed with the rotating disc 36 parallel to the horizontal plane, more than one rotating disc 36, is mounted on the rotary shaft 31 with a fixed gap, and, in use, the rotary disc 36 rotates with the rotary shaft 31, and stripping media are placed between two adjacent rotating disks 36, the stripping media do irregular motion between the two rotating disks 36, the grinding media interacts with barite in ore pulp and is further crushed, the outer diameter of the stripping media is larger than a gap between the rotating disc 36 and the baffle ring 25, the stripping media are mature prior art, and technicians in the field can flexibly select and purchase the stripping media according to specific working conditions, so detailed description is omitted; the rotating discs 36 and the baffle rings 25 are the same in number and are located on the same horizontal plane, barite in ore pulp is crushed by being collided by peeling media which move irregularly between the rotating discs 36, part of barite enters a lower layer from a gap between the rotating discs 36 and the baffle rings 25 and is continuously crushed by the peeling media in the next layer, and because the baffle rings 25 do not rotate along with the rotating discs 36 when in use, the gap between the rotating discs and the baffle rings is always present, so that the ore pulp can flow downwards.

It should be noted that: as shown in figure 3, a plurality of grinding protrusions 35 are uniformly arranged on the rotating disc 36, the grinding protrusions 35 are outward protruding ball protrusions, and rub with barite in ore pulp in the rotating process of the rotating disc 36, and the barite is further crushed by matching with a stripping medium.

Further, a propeller 34 is arranged below the rotary disc 36, the thrust surface of the propeller 34 faces downwards, when the propeller 34 works, ore pulp is pushed downwards, the ore pulp at the bottom of the cylinder wall 21 flows upwards along the side wall of the cylinder wall 21 under the action of pressure, enters the rotary disc 36 at the top again, and leaks downwards from a gap between the rotary disc 36 and the baffle ring 25 again, so that the ore pulp always flows in the stripping process, barite in the ore pulp is difficult to separate and precipitate, and flows along with the flow of the ore pulp, and can be sufficiently ground; in addition, the rotating shaft 31 is a hollow pipe, as shown in fig. 3, an air pipe 33 is arranged inside the rotating shaft 31, the air pipe 33 does not contact with the rotating shaft 31 and does not rotate along with the rotating shaft 31, an exhaust end 32 is further arranged at one end of the rotating shaft 31 positioned in the flaking barrel 2, the exhaust end 32 is of a hollow structure, exhaust holes are formed in the bottom surface of the exhaust end 32, gas in the air pipe 33 is exhausted from the exhaust end 32, the exhausted gas impacts barite deposited at the bottom to loosen the barite, and the barite moves along with liquid flow generated when the propeller 34 rotates, so that the barite is effectively prevented from being deposited at the bottom of the.

Claims (5)

1. The utility model provides a wet process stripping machine of production activation barite for drilling fluid, includes frame, electrical system, charge-in system, its characterized in that: still include the stripping part, the stripping part includes: a stripping section of thick bamboo, peeling plate, a stripping section of thick bamboo includes: the device comprises a cylinder wall, a feeding hole and a discharging pipe, wherein the cylinder wall is a cylinder, the feeding hole is formed in the top surface of the cylinder, the feeding hole is formed in a position other than the circle center of the top surface, the discharging pipe is arranged at the circle center of the bottom surface of the cylinder wall, and the bottom surface of the inner side of the cylinder wall is a cambered surface which is concave downwards towards the circle center of; the stripping disc is positioned in the stripping barrel and comprises a rotating shaft, rotating discs and propellers, the rotating shaft is positioned at the axis of the barrel wall, one upward end of the rotating shaft penetrates through the top surface of the barrel wall to be connected with a driving device on the rack, the rotating shaft is positioned in the stripping barrel and is also fixed with the rotating discs parallel to the horizontal plane, more than one rotating disc is arranged on the rotating shaft at a fixed gap, a stripping medium is placed between every two adjacent rotating discs, the propellers are arranged below the rotating discs, and the thrust surfaces of the propellers face downwards.

2. The wet method flaking machine of activated barite for producing drilling fluid of claim 1, characterized in that: evenly be provided with the water conservancy diversion bead on the inboard side of section of thick bamboo wall, the water conservancy diversion bead is protruding in the inboard rectangular area of section of thick bamboo wall, and vertical setting, the water conservancy diversion bead is more than one, and evenly distributed is inboard at the section of thick bamboo wall, and water conservancy diversion bead surface roughness.

3. The wet method flaking machine of activated barite for producing drilling fluid of claim 2, characterized in that: the flow guide convex edge is also provided with a baffle ring parallel to the horizontal plane, the baffle ring and the stripping disc are the same in number, the inner diameter of the baffle ring is larger than the outer diameter of the rotating disc, and the thickness of the baffle ring is larger than that of the rotating disc.

4. The wet method flaking machine of activated barite for producing drilling fluid of claim 1, characterized in that: a plurality of grinding protrusions are uniformly arranged on the rotating disc, and the grinding protrusions are hemispherical convex blocks protruding outwards.

5. The wet method flaking machine of activated barite for producing drilling fluid of claim 1, characterized in that: the rotating shaft is a hollow pipe, an air pipe is arranged inside the rotating shaft, the air pipe is not in contact with the rotating shaft and does not rotate along with the rotating shaft, an exhaust end is arranged at one end, located in the stripping barrel, of the rotating shaft, the exhaust end is of a hollow structure, and an exhaust hole is formed in the bottom surface of the exhaust end.

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