CN214457764U - Tectorial membrane quartz sand fracturing propping agent integration preparation equipment - Google Patents

Abstract

The utility model discloses a tectorial membrane quartz sand fracturing propping agent integration preparation equipment for it is big to solve prior art area, and the lower problem of integration degree includes in proper order to the traffic direction of material: the device comprises a scrubbing machine, a pickling tank, a heater, a cooling cylinder and a hot covering cylinder, wherein raw sand is sequentially scrubbed, pickled and heated and then cooled to a lower temperature, and then is subjected to hot covering by the hot covering cylinder; in addition, because each part is arranged in the same shell, dust generated in production cannot escape to the outside, and a good working environment is ensured.

Description

Tectorial membrane quartz sand fracturing propping agent integration preparation equipment

Technical Field

The utility model belongs to fracturing propping agent preparation field, concretely relates to tectorial membrane quartz sand fracturing propping agent integration preparation equipment.

Background

When the petroleum and natural gas deep well is exploited, after the high-closure-pressure low-permeability deposit is subjected to fracturing treatment, the petroleum-containing rock stratum is cracked, the petroleum and gas are collected from a channel formed by the cracks, at the moment, the fluid is required to be injected into the rock base layer so as to exceed the pressure of the fracture strength of the stratum, the rock stratum around the shaft is cracked, a channel with high laminar flow capacity is formed, and in order to keep the cracks formed after fracturing open, the petroleum and gas products can smoothly pass through the channel. Petroleum propping agent enters the stratum along with the high-pressure solution and is filled in the cracks of the rock stratum, so that the cracks are supported and are not closed due to stress release, high flow conductivity is kept, oil and gas are smooth, and the yield is increased; the preparation of fracturing propping agent in the prior art needs to pass through: scrubbing, surface activation treatment, heating and hot coating, wherein mud in the raw sand is removed through scrubbing treatment, then the surface of the raw sand is treated, the common method is pickling, the pickling can effectively increase the affinity of sand grains and resin, the strength of the coated sand is improved, impurities in the raw sand are removed through heating, and the cooled raw sand can be packaged and molded through hot coating; but the tectorial membrane quartz sand production of prior art, it is the dispersion and arranges, and area occupied is great like this, and the production flexibility is lower, and a large amount of dust can be raised to the former sand of transporting between different processes, influences staff healthy, and the former sand temperature after the heating is higher in addition, reduces to can heat the temperature of tectorial membrane and need more time, has influenced the continuity of production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tectorial membrane quartz sand fracturing propping agent integration preparation equipment not only can practice thrift the volume, is convenient for arrange, has an efficient cooling cylinder moreover, has shortened the cool time, improves production efficiency.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a tectorial membrane quartz sand fracturing proppant integration preparation equipment, includes that communicate in proper order: the device comprises a scrubbing machine, a pickling tank, a heater, a cooling cylinder, a storage bin and a heat covering cylinder, wherein the cooling cylinder is an annular cylinder body, a spiral pipe is arranged in the cooling cylinder, the spiral pipe is arranged by taking the axis of an inner cylindrical surface as a shaft spiral, the two ends of the spiral pipe are respectively communicated with pipelines on the top surface and the bottom surface of the cooling cylinder, a cooling medium is filled in the cooling cylinder, an inner cylinder feeding machine is arranged in the inner cylindrical surface of the cooling cylinder, a feeding hole of the inner cylinder feeding machine is communicated with a discharging hole at the bottom of the cooling cylinder, and a discharging hole of the inner cylinder feeding machine is communicated with a feeding hole at the top of the storage bin;

the storage bin is arranged on the heat covering barrel, a discharge port of the storage bin is communicated with a feeding port on the top surface of the heat covering barrel, and the bottom surface of the storage bin is inclined towards the discharge port;

the heat covering cylinder comprises: axial material loading machine, rotatory fill, stirring frame, the axis position that a section of thick bamboo is covered to heat is provided with axial material loading machine, rotatory fill includes: the extension of infundibulate, sleeve pipe, high-speed motor, the sleeve pipe is located the epitaxial axis position of infundibulate, with epitaxial bottom fixed connection, and the sleeve pipe suit is on axial feed machine outer wall, is connected through the bearing between sleeve pipe and the axial feed machine, and the sleeve pipe top surface is connected with high-speed motor, rotates through high-speed motor drive, evenly throws out the material granule on the infundibulate extension, the stirring frame is located rotatory fill below, and stirring frame axis position is provided with the sleeve the same with rotatory fill sleeve, and the same suit is outside axial feed machine to rotate through the low-speed motor who is connected with it, the frame of stirring frame is similar with the radian of bottom surface, covers the material in the section of thick bamboo through the rotation and stirs.

Furthermore, a dispersing arch is further arranged below the discharge port at the top of the axial feeding machine, the dispersing arch is an arched cambered surface, a through hole for the axial feeding machine to pass through is formed in the geometric center of the cambered surface, the axis of the cambered surface is overlapped with the axis of the axial feeding machine, and material particles discharged by the axial feeding machine can be dispersed into the rotary hopper along the cambered surface of the dispersing arch.

Further, still be provided with on the rotatory fill: a bottom hole, said bottom hole being a through hole near the funnel-shaped epitaxial bottom.

Further, still be provided with on the rotatory fill: the barrier strip is a raised line arranged on the extension of the funnel shape, the projected extension line of the barrier strip on the horizontal plane passes through the axis, and the included angle between the adjacent barrier strips is the same.

The utility model discloses following beneficial effect has:

(1) the integrated layout is more compact, the occupied area is smaller, enterprises can reasonably organize production conveniently, production equipment is concentrated in a closed shell, dust in the production process cannot escape to the outside, and the integrated layout is more environment-friendly.

(2) The raw sand after the heating treatment is cooled through the cooling cylinder, so that the temperature of the raw sand can be quickly reduced to the temperature capable of hot coating, and the production efficiency is improved.

(3) The mode of rotatory material raising is cooperated through the stirring in the hot cover section of thick bamboo, can improve the homogeneity of stirring, guarantees additive and former sand intensive mixing simultaneously.

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 structural schematic view of a top view angle of the present invention;

FIG. 2 schematically illustrates a schematic structural view of a hot compress pack according to the present invention;

FIG. 3 is a schematic view showing the structure of the top view angle of the rotary bucket of the heat covering drum according to the present invention;

fig. 4 schematically shows a structural view of a portion a in fig. 2;

FIG. 5 is a schematic view of a cooling cylinder according to the present invention;

wherein the figures include the following reference numerals:

1-a scrubbing machine, 2-a conveying belt, 3-a pickling tank, 4-a material lifting machine and 5-a heater;

6-cooling cylinder, 61-spiral tube, 62-inner cylinder feeding machine, 63-cooling medium, 64-supporting leg;

7-storage bin, 8-thermal covering barrel, 81-axial feeding machine, 82-dispersing arch, 83-rotating hopper, 831-bottom hole, 832-barrier strip, 833-sleeve, 834-high-speed motor, 84-stirring frame, 85-low-speed motor and 9-feeding pipe.

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

As shown in figure 1, the integrated preparation equipment for the tectorial membrane quartz sand fracturing propping agent is used for solving the problems of large occupied area and low integration degree in the prior art and comprises the following components in sequence in the running direction of materials: the cleaning machine 1, the pickling tank 3, the heater 5, the cooling cylinder 6 and the hot covering cylinder 8 are used for cleaning, pickling and heating the raw sand in sequence, then cooling the raw sand to a lower temperature, and then carrying out hot covering through the hot covering cylinder 8, wherein the components are connected through the conveyor belt 2 or the material lifting machine 4, so that the production continuity is improved, the heated raw sand is rapidly cooled through the cooling cylinder 6, the production efficiency is improved, meanwhile, a horizontal rotating stirring mode and a vertical feeding mode are combined in the hot covering cylinder 8, the raw sand and an additive are stirred more uniformly, and the film covering effect is better; in addition, because each part is arranged in the same shell, dust generated in production cannot escape to the outside, and a good working environment is ensured.

As shown in figure 1, the utility model discloses a scrubbing machine communicates with external inlet pipe, the raw sand is scrubbed in scrubbing machine 1, get rid of mud branch wherein, the raw sand that scrubs the end is transmitted to pickling bath 3 through conveyer belt 2 and is carried out surface treatment, improve the affinity of raw sand and resin, the raw sand after scrubbing rises to the heater 5 that is located the eminence through the material lifting machine 4, heat in the heater 5, the raw sand gets into cooling cylinder 6 and cools off afterwards, compare in the natural cooling of prior art, cooling efficiency is higher, the raw sand after the cooling is promoted to storage silo 7 through inner tube material loading machine 62, add in the thermal coating section of thick bamboo 8 by storage silo 7 again, mix with various additives according to the requirement of technology in the thermal coating section of thick bamboo 8, accomplish the tectorial membrane to the raw sand, and because the raw sand after the cooling directly gets into thermal coating section of thick bamboo 8, therefore need not be with the raw sand to the room temperature, the heat laminating can be directly carried out by keeping a certain residual heat, thereby saving energy.

As shown in fig. 5, the cooling cylinder 6 is a ring-shaped cylinder, a spiral pipe 61 is arranged in the cooling cylinder 6, the spiral pipe 61 is spirally arranged by taking the axis of the inner cylinder as the axis, two ends of the spiral pipe 61 are respectively communicated with the pipelines on the top surface and the bottom surface of the cooling cylinder 6, the cooling cylinder 6 is filled with a cooling medium 63, the cooling medium 63 flows through the pipeline arranged on the outer cylinder surface of the cooling cylinder 6, the spiral pipe 61 is cooled, the bottom surface of the cooling cylinder 6 is also provided with a support leg 64 for supporting the cooling cylinder 6, when in use, the raw sand enters the spiral pipe 61 from the upper end of the spiral pipe 61, the spiral pipe 61 is made of metal material with good heat conductivity, the raw sand moves downwards along the spiral pipe 61 under the action of gravity and flows out from the bottom of the spiral pipe 61, in the process of sliding downwards, heat is absorbed by the spiral pipe 61 and is transferred to the cooling medium 63, and the temperature of the raw sand is reduced.

Further, an inner cylinder feeding machine 62 is arranged in the inner cylindrical surface of the cooling cylinder 6, a feeding hole of the inner cylinder feeding machine 62 is communicated with a discharging hole in the bottom of the cooling cylinder 6, cooled raw sand is lifted to the high storage bin 7, and the inner cylinder feeding machine 62 is combined with the cooling cylinder 6, so that the occupied area is effectively saved.

As shown in fig. 2, the storage bin 7 is disposed on the heat covering cylinder 8, a discharge port of the storage bin 7 is communicated with a feeding port on the top surface of the heat covering cylinder 8, the bottom surface of the storage bin 7 is inclined toward the discharge port, so that residue of raw sand in the storage bin 7 is reduced, since the heat covering cylinder 8 is not continuously fed, sufficient material is fed once and then processed, and after being processed and emptied, next batch of material is fed, and in order to ensure cooling efficiency, the material discharged from the cooling cylinder 6 is small and continuous, so that the material discharged from the cooling cylinder 6 needs to be collected through the storage bin 7 first and then is fed into the heat covering cylinder 8 in sufficient quantity, and thus production continuity is ensured.

The heat covering cylinder 8 is a container for performing heat covering, and has a structure including: axial direction feeder 81, rotating bucket 83, stirring frame 84, as shown in fig. 2, the axial direction feeder 81 is arranged at the axial position of the thermal covering cylinder 8, the axial direction feeder 81 is a spiral feeder of the prior art, the outer wall of the axial direction feeder 81 is a cylindrical long pipe, a rotating spiral wall is arranged inside the axial direction feeder, the bottom material is pushed to the top by rotating, and the axial direction feeder 81 of the present embodiment is different from the prior art in that: the feed inlet has a plurality ofly with the discharge gate, and evenly distributed is at the same horizontal position of axial feed machine 81's outer wall, and feeding and the ejection of compact are more even like this, rotatory fill 83 includes: the device comprises a funnel-shaped extension, a sleeve 833, a barrier rib 832 and a high-speed motor 834, wherein the sleeve 833 is located at the axial position of the funnel-shaped extension and is fixedly connected with the bottom of the extension, the sleeve 833 is sleeved on the outer wall of an axial feeding machine 81, and the sleeve 833 is connected with the axial feeding machine 81 through a bearing, so that the sleeve 833 can rotate around the axial feeding machine 81; the stirring frame 84 is located below the rotary hopper 83, the stirring frame 84 is also rotated through a sleeve 833 sleeved outside the axial feeding machine 81, the stirring frame 84 is rotated through a low-speed motor 85, the low-speed motor 85 is installed on the axial feeding machine 81, the height of the low-speed motor 85 is higher than that of a material in the heat covering cylinder 8 in use, the radian of the outer frame of the stirring frame 84 is similar to that of the bottom surface, the material in the heat covering cylinder 8 is sufficiently stirred through rotation, and finally the material is discharged from a discharge hole in the bottom of the heat covering cylinder 8, so that the whole process is completed.

Further, a dispersing arch 82 is further arranged below a discharge port at the top of the axial feeding machine 81, the dispersing arch 82 is an arched surface, a through hole for the axial feeding machine 81 to pass through is formed in the geometric center of the arched surface, the axis of the dispersing arch 82 is overlapped with the axis of the axial feeding machine 81, material particles discharged by the axial feeding machine 81 can be dispersed into the rotating hopper 83 along the arched surface of the dispersing arch 82, if the dispersing arch 82 is not arranged, the material can be excessively concentrated at the bottom of the rotating hopper 83, the material is not favorably dispersed, and the high-speed motor is arranged below the dispersing arch to play a role in blocking sand.

Further, if 3 shows, the rotating bucket 83 is further provided with: the bottom holes 831 and the blocking strips 832 are through holes close to the extension bottom of the funnel-shaped body, materials are not completely thrown out of the top surface during rotation, and part of the materials can sink to the bottom of the rotating bucket 83, so the materials need to be discharged through the bottom holes 831, the blocking strips 832 are convex strips arranged on the extension of the funnel-shaped body, the extension lines of the projections of the blocking strips 832 on the horizontal plane pass through the axes, the included angles between the adjacent blocking strips 832 are the same, when the rotating bucket 83 rotates, material particles can rotate for a certain distance along the rotating bucket 83 and then move outwards under the action of centrifugal force until the material particles are thrown out, the motion track is a plane spiral which is unfolded outwards, and after the blocking strips 832 are arranged, the motion of the material particles can be blocked, only the material particles can move outwards along the blocking strips 832, and can be thrown out of the rotating bucket 83 more quickly.

It should be noted that: the interface of the top surfaces of the charging pipe 9 and the thermal covering cylinder 8 is positioned at the top of the rotary hopper 83, the additive falls into the rotary hopper 83 and is thrown out along with the material, so that uniform charging is realized, and the mixing is more uniform by matching with the stirring frame 84 at the bottom.

As a preferred embodiment, the spiral tube 61 is stainless steel, which has good thermal conductivity.

In this embodiment, the scrubbing machine, the conveyor belt, the pickling tank, the material lifting machine, the heater, the inner cylinder feeding machine, the axial feeding machine, the high-speed motor and the low-speed motor are mature prior art and can be purchased directly, and therefore, detailed description is omitted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. The utility model provides a tectorial membrane quartz sand fracturing proppant integration preparation equipment, includes that communicate in proper order: scrubbing machine, pickling bath, heater, its characterized in that: further comprising: the cooling device comprises a cooling cylinder, a storage bin and a heat covering cylinder, wherein the cooling cylinder is an annular cylinder, a spiral pipe is arranged in the cooling cylinder, the spiral pipe is spirally arranged by taking the axis of an inner cylindrical surface as an axis, two ends of the spiral pipe are respectively communicated with pipelines on the top surface and the bottom surface of the cooling cylinder, a cooling medium is filled in the cooling cylinder, an inner cylinder feeding machine is arranged in the inner cylindrical surface of the cooling cylinder, a feeding hole of the inner cylinder feeding machine is communicated with a discharging hole at the bottom of the cooling cylinder, and a discharging hole of the inner cylinder feeding machine is communicated with a feeding hole at the top of the storage bin;

the storage bin is arranged on the heat covering barrel, a discharge port of the storage bin is communicated with a feeding port on the top surface of the heat covering barrel, and the bottom surface of the storage bin is inclined towards the discharge port;

the heat covering cylinder comprises: axial material loading machine, rotatory fill, stirring frame, the axis position that a section of thick bamboo is covered to heat is provided with axial material loading machine, rotatory fill includes: the extension of infundibulate, sleeve pipe, high-speed motor, the sleeve pipe is located the epitaxial axis position of infundibulate, with epitaxial bottom fixed connection, and the sleeve pipe suit is on axial feed machine outer wall, is connected through the bearing between sleeve pipe and the axial feed machine, and the sleeve pipe top surface is connected with high-speed motor, rotates through high-speed motor drive, evenly throws out the material granule on the infundibulate extension, the stirring frame is located rotatory fill below, and stirring frame axis position is provided with the sleeve the same with rotatory fill sleeve, and the same suit is outside axial feed machine to rotate through the low-speed motor who is connected with it, the frame of stirring frame is similar with the radian of bottom surface, covers the material in the section of thick bamboo through the rotation and stirs.

2. The integrated preparation equipment for the tectorial membrane quartz sand fracturing propping agent according to claim 1, characterized in that: the material feeding device is characterized in that a dispersing arch is further arranged below a discharge port in the top of the axial feeding machine, the dispersing arch is an arched cambered surface, a through hole for the axial feeding machine to pass through is formed in the geometric center of the cambered surface, the axis of the cambered surface is overlapped with the axis of the axial feeding machine, and material particles discharged by the axial feeding machine can be dispersed into the rotary hopper along the cambered surface of the dispersing arch.

3. The integrated preparation equipment for the tectorial membrane quartz sand fracturing propping agent according to claim 1, characterized in that: the rotary hopper is also provided with: a bottom hole, said bottom hole being a through hole near the funnel-shaped epitaxial bottom.

4. The integrated preparation equipment for the tectorial membrane quartz sand fracturing propping agent according to claim 1, characterized in that: the rotary hopper is also provided with: the barrier strip is a raised line arranged on the extension of the funnel shape, the projected extension line of the barrier strip on the horizontal plane passes through the axis, and the included angle between the adjacent barrier strips is the same.

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