CN211451630U - Dryer for preparing quartz sand fracturing propping agent - Google Patents

Abstract

The utility model discloses a preparation quartz sand fracturing desicator for proppant for solve among the prior art frequent quartz sand that turns of desicator, make quartz sand collide each other and cause the problem that the sphericity descends, its structure includes: the heating ball is arranged in the drying cylinder, the quartz sand in the drying cylinder can vibrate due to the vibrator arranged at the bottom of the drying cylinder, the heating ball with lighter weight can rise and float in the quartz sand, the heating ball generates heat after being electrified and heats the quartz sand, and the heating ball is positioned in the quartz sand, so that the generated heat can be used for evaporating moisture in the quartz sand, the heat loss is less, the heating effect is better, and the steam can be quickly discharged by matching with hot air generated by a hot air pipe; the utility model discloses it is rational in infrastructure, can reduce frequent the stirring in the quartz sand use, and drying efficiency is higher, and the capacity is littleer moreover, can use the platform number according to the nimble adjustment of particular case, more is fit for middle-size and small-size enterprise and uses.

Description

Dryer for preparing quartz sand fracturing propping agent

Technical Field

The utility model belongs to the technical field of inorganic nonmetal powder preparation, concretely relates to preparation desicator for quartz sand fracturing propping agent.

Background

The petroleum proppant is also called petroleum fracturing proppant. When the petroleum and natural gas deep well is exploited, after high-closure-pressure low-permeability ore deposit is subjected to fracturing treatment, the petroleum-gas-containing rock stratum is cracked, the petroleum and gas are collected from a channel formed by the cracks, at the moment, fluid is required to be injected into the rock base layer, so that the pressure exceeding the fracture strength of the stratum enables the rock stratum around the shaft to generate the cracks, a channel with high laminar flow capacity is formed, and in order to keep the cracks formed after fracturing open, oil 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; at present, the most used fracturing propping agent is quartz sand propping agent, the process of preparing the quartz sand propping agent in the prior art is to sequentially screen, clean, dehydrate, dry, package and put in storage the mined quartz sand, the drying device used in the prior art is mostly a converter type drying kiln which is composed of two kiln bodies for heating and a rotatable cylinder between the two kiln bodies, the quartz sand to be dried is put into the drying device and is dried by the rotation of the converter, the method is suitable for large-scale production, but the method is adopted, because the drying is carried out by heating the converter, the heat is not fully utilized and partially dissipated into the air around the converter, therefore, the heat utilization rate is not high, and the starting can be realized by the same energy consumption when the yield is low, for the production and operation of small and medium-sized enterprises, the method is uneconomical, inconvenient for adjusting the capacity and overlarge in occupied area.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a preparation desicator for quartz sand fracturing propping agent, not only heat utilization efficiency is higher and production is more nimble.

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

a dryer for preparing quartz sand fracturing propping agent comprises: casing, drying cylinder, heating ball, drying cylinder installs in the casing, and the side of casing is provided with out the transom, is connected with the gas vent on the drying cylinder, drying cylinder includes: the method comprises the following steps: the air spring is positioned on the bottom surface of the drying cylinder, the drying cylinder is fixed in the shell, the hot air pipe penetrates through the top surface of the drying cylinder and supplies hot air to the drying cylinder, an air outlet is formed in the side surface of the drying cylinder, a filter screen is arranged on the air outlet, the aperture of the filter screen is smaller than the particle size of quartz sand, a discharge pipe and a vibrator are arranged on the bottom surface of the drying cylinder, and the part of the discharge pipe, which is positioned in the shell, is a telescopic pipe; the heating ball includes: the heat transfer shell is of a spherical structure with double layers as a shell layer, the heating wire is arranged between the two layers of the heat transfer shell and fixed on the inner side of the outer heat transfer shell, and the protective sleeve covers a lead connected with the heating wire.

Further, an electric heating bottom plate is arranged on the bottom surface of the drying cylinder.

Further, the exhaust port of the drying cylinder is connected with the air outlet window through a telescopic hose.

Further, the housing further comprises: the supporting legs are arranged on the bottom surface of the shell, the supporting legs are the same in height, the feed inlet is formed in the top of the shell, and an openable cover plate is arranged on the feed inlet.

Furthermore, a plurality of heating balls are arranged, the sizes of the heat transfer shells are different, and the heating balls are uniformly fixed at the bottom of the drying cylinder.

The utility model discloses following beneficial effect has at least:

(1) the quartz sand is dried by the heating ball arranged in the quartz sand in a matching way with the heating sheet and the hot air pipe, the heat source area is larger, and the heating ball is positioned inside the quartz sand, so that the drying effect is better.

(2) The vibrator makes the quartz sand take place the friction of small amplitude, can not take place violent collision between the quartz sand, reduces the condition that quartz sand collision influences the quartz sand sphericity.

(3) The heating ball is a hollow ball body, the weight is light, and the sphericity of the finished quartz sand cannot be influenced by directly impacting the quartz sand.

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 schematic structural view of the present invention;

fig. 2 schematically shows a structural view of a heating ball in the present invention;

wherein the figures include the following reference numerals:

1-shell, 11-support leg, 12-air outlet window, 13-power supply module, 14-feed inlet, 15-counterweight block, 21-air spring, 22-hot air pipe, 23-exhaust outlet, 24-electric heating bottom piece, 25-discharge pipe, 26-vibrator, 3-heating ball, 31-heat transfer shell, 32-heating wire and 33-protective sleeve.

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 fig. 1-2, a dryer for preparing quartz sand fracturing propping agent is used for solving the problem that the sphericity is reduced due to the fact that quartz sand frequently turns over by the dryer in the prior art and the quartz sand collides with each other, and the structure of the dryer comprises: casing 1, the drying cylinder, heating ball 3 installs in the drying cylinder, the vibrator 26 of drying cylinder bottom installation can make quartz sand wherein shake, the lighter heating ball 3 of quality can rise and float in quartz sand, heating ball 3 generates heat after circular telegram, heat quartz sand, because heating ball 3 is arranged in quartz sand, consequently the heat of production can be used for the evaporation of moisture in the quartz sand, the heat loss is less, the heating effect is better, the hot-blast that cooperation hot-blast main 22 produced, make aqueous gas can discharge fast.

As shown in fig. 1, the drying cylinder is located in a casing 1, and the casing 1 further includes: stabilizer blade 11, air outlet window 12, power module 13, feed inlet 14, stabilizer blade 11 sets up in casing 1 bottom surface, stabilizer blade 11 highly the same, be used for the support of casing 1, the side of casing 1 is provided with air outlet window 12, air outlet window 12 passes through the gas vent 23 intercommunication of hose and drying cylinder, the gas in the drying cylinder discharges from this, casing 1 top is provided with feed inlet 14, be provided with the apron that can open on the feed inlet 14, the apron can cover feed inlet 14, avoid external impurity to get into, casing 1 feed inlet 14 corresponds with the pan feeding mouth position on the drying cylinder, the both is opened the back, can directly add the quartz sand that treats drying to the drying cylinder in, still be provided with power module 13 on casing 1 inner wall, power module 13 and heating ball 3 circuit connection, for power supply of electric elements such as heating ball 3.

It should be noted that: the bottom surface in the shell 1 is also provided with a balancing weight 15, so that the vibration of the shell 1 along with the vibration of the vibrator 26 is reduced; the inner wall of the vibrator is covered with soundproof cotton to further reduce noise generated during the use of the vibrator 26.

The drying cylinder is a closed container for containing and drying quartz sand, and comprises: the air spring 21, the hot-blast main 22, the vibrator 26, the cross-sectional shape of the drying cylinder is round, its bottom surface is the cambered surface tightened up inwards, avoid quartz sand remaining among them in the use, the air spring 21 locates at the bottom surface of drying cylinder, fix the drying cylinder in body 1, the top surface of drying cylinder has inlet ports corresponding to 14 positions of feed inlet of body 1, used for feeding, the top surface of drying cylinder also sets up the hot-blast main 22, the hot-blast main 22 crosses body 1 and drying cylinder, inject the hot-blast main into drying cylinder, accelerate the drying of quartz sand, discharge the humid air from drying cylinder at the same time, there are exhaust ports 23 on the side of drying cylinder, there are filter screens on the exhaust port 23, the aperture of the filter screen is smaller than the particle size of quartz sand, avoid quartz sand from being blown out and causing the extra loss by the hot-blast in the hot-blast main 22, the exhaust port 23 is connected with the air outlet window 12 through the flexible hose, meanwhile, the flexible hose can prevent the fixed part from loosening in the vibration process; the lowest position of the bottom surface of the drying cylinder is provided with a discharge pipe 25, the discharge pipe 25 penetrates through the shell 1 to be communicated with the outside, the part of the discharge pipe 25, which is positioned in the shell 1, is provided with a valve, the part of the discharge pipe is telescopic along with the vibration of the drying cylinder, the vibration force is consumed by the telescopic motion of the discharge pipe, therefore, the connection position can not be loosened in the using process, the dried quartz sand can be discharged from the discharge pipe, the bottom surface of the outer wall of the drying cylinder is provided with a vibrator 26, the vibrator 26 is used for impacting the drying cylinder, because the drying cylinder is supported by a gas spring 21, the drying cylinder can move towards the ejecting direction of the vibrator 26 in the vibration process of the vibrator 26, meanwhile, the original position can be recovered under the action of the pulling force of the vibrator 21, the quartz sand in the drying cylinder can move along with the drying cylinder due to small displacement of the drying cylinder, the gas spring is loosened in the vibration process, so the vibrations at the quartz sand and the in-process that becomes flexible upwards floats, is tightened up to the connection rope that is connected with heating ball 3, makes heating ball 3 be arranged in the quartz sand through the length of control connection rope to guarantee that the heat homoenergetic that heating ball 3 produced can direct action on the quartz sand, the heat loss is lower.

It should be noted that: the bottom surface of the drying cylinder is provided with an electric heating bottom sheet 24, part of water can be deposited at the bottom of the drying cylinder under the action of gravity, the heating ball 3 can float in the quartz sand of the drying cylinder in the vibration process, the water deposited at the bottom cannot be heated, and the water deposited at the bottom of the drying cylinder can be quickly evaporated through the electric heating bottom sheet 24.

As shown in fig. 2, the heating ball 3 includes: the heating device comprises a heat transfer shell 31, a heating wire 32 and a protective sleeve 33, wherein the heat transfer shell 31 is of a spherical structure with double shell layers, the heating wire 32 is arranged between the two layers of the heat transfer shell 31, the heating wire 32 is fixed on the inner side of the outer heat transfer shell 31, the heating wire 32 generates heat after being electrified, the heat directly acts on the outer layer of the heat transfer shell 31, quartz sand in contact with the outer layer of the heat transfer shell 31 is heated, moisture is removed, a spherical cavity formed by the inner heat transfer shell 31 is vacuumized, the heat transfer to the spherical cavity is reduced, the protective sleeve 33 covers the outer part of an electric wire connecting the heating wire 32 and the power supply module 13, and the two ends of the protective sleeve 33 are fixed on a heating ball 3 and a drying cylinder, so that the situation that the electric wire is.

It should be noted that: the heating balls 3 are more than one, the size and the wire length of each heating ball 3 are different, and the positions fixed in the drying cylinder are also different, so that the heating balls can be positioned in quartz sand as much as possible, the contact area is increased, and the drying speed is increased.

In this embodiment, the hot air tube, the electric heating bottom plate, the vibrator, the heating wire, the power supply module, and the extension tube are all mature prior art and can be purchased directly, and the connection method of the power supply module, the heating wire, and the electric heating bottom plate is also a method generally adopted by those skilled in the art, so that the detailed description is omitted.

Claims (5)

1. The utility model provides a preparation desicator for quartz sand fracturing proppant which characterized in that: the method comprises the following steps: casing, drying cylinder, heating ball, drying cylinder installs in the casing, and the side of casing is provided with out the transom, is connected with the gas vent on the drying cylinder, drying cylinder includes: the drying device comprises a support frame, a hot air pipe and a vibrator, wherein the support frame is positioned on the bottom surface of a drying cylinder, the drying cylinder is fixed in a shell, the hot air pipe penetrates through the top surface of the drying cylinder and supplies hot air to the drying cylinder, an exhaust port is formed in the side surface of the drying cylinder, a filter screen is arranged on the exhaust port, the aperture of the filter screen is smaller than the particle size of quartz sand, and a discharge port and the vibrator are arranged on the bottom surface of the; the heating ball includes: the heat transfer shell is of a spherical structure with double layers as a shell layer, the heating wire is arranged between the two layers of the heat transfer shell and fixed on the inner side of the outer heat transfer shell, and the protective sleeve covers a lead connected with the heating wire.

2. The dryer for preparing the quartz sand fracturing propping agent as claimed in claim 1, wherein: the bottom surface of the drying cylinder is provided with an electric heating bottom plate.

3. The dryer for preparing the quartz sand fracturing propping agent as claimed in claim 1, wherein: and the exhaust port of the drying cylinder is connected with the air outlet window through an extension pipe.

4. The dryer for preparing the quartz sand fracturing propping agent as claimed in claim 1, wherein: the housing further includes: the supporting legs are arranged on the bottom surface of the shell, the supporting legs are the same in height, the feed inlet is formed in the top of the shell, and an openable cover plate is arranged on the feed inlet.

5. The dryer for preparing the quartz sand fracturing propping agent as claimed in claim 1, wherein: the heating balls are provided with a plurality of heating balls, the sizes of the heat transfer shells are different, and the heating balls are uniformly fixed at the bottom of the drying cylinder.

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