CN212508246U - Device for improving sphericity of fractured quartz sand - Google Patents
Device for improving sphericity of fractured quartz sand Download PDFInfo
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- CN212508246U CN212508246U CN202020538790.XU CN202020538790U CN212508246U CN 212508246 U CN212508246 U CN 212508246U CN 202020538790 U CN202020538790 U CN 202020538790U CN 212508246 U CN212508246 U CN 212508246U
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Abstract
The utility model discloses a device for improving the sphericity of fractured quartz sand, which comprises a tank body, wherein the tank body is provided with a closed cavity structure; the tank body is internally provided with a partition board which is fully distributed in a flat layer, and the partition board partitions the interior of the tank body into a processing cavity and an air supply cavity which are positioned at the upper part; the gas supply cavity is connected with a gas pressurization assembly; the quartz sand honeycomb duct, the quartz sand honeycomb duct is suspended in through the support and is located inside the treatment chamber, the upper end of quartz sand honeycomb duct is formed with baffle and sand outlet, the lower extreme of quartz sand honeycomb duct is open. The application provides a device for improving fracturing quartz sand sphericity, simple structure is reasonable, need not to use grinding device, and whole in-process that improves circularity can not have impurity production such as any metal fillings, can not cause the pollution to quartz sand. The device work efficiency is high, can realize continuous production, and the fragile spare is few, and it is more convenient to maintain during the use. Is worthy of large-area popularization and application.
Description
Technical Field
The utility model relates to a fracturing quartz sand preparation technical field especially relates to a device for improving fracturing quartz sand sphericity.
Background
In the field of petroleum, fracturing refers to a method of forming cracks in oil and gas layers by using the action of water power in the process of oil or gas production, and is also called hydraulic fracturing. Hydraulic fracturing refers to the pumping of fracturing fluid into a well at high pressures, resulting in high pressures at the bottom of the well, which when sufficient to fracture the formation, create a fracture in the formation and propagate forward to a space. In order to keep the fracture open, a proppant is placed in the fracture with the fracturing fluid after the formation has been fractured. After the proppant is delivered, the viscosity of the fracturing fluid is reduced and the fracturing fluid is refluxed, so that a crack with high diversion rate is generated.
At present, petroleum fracturing propping agents used at home and abroad are generally divided into three types: quartz sand, ceramsite proppant and coated proppant. In recent years, the price of oil and gas is continuously low, and cost reduction and efficiency improvement become the main melody of shale gas development. In North America, besides the speed increasing and the efficiency increasing of well drilling and completion, the using amount of the ceramsite is greatly reduced, the proportion of quartz sand in fracturing construction is increased, even the ceramsite is not used, the cost of fracturing materials is greatly reduced, and the shale gas benefit development under the low oil gas price is realized.
The sphericity of the fracturing sand refers to the degree to which the fracturing proppant (i.e., the sand) is near spherical. The larger the sphericity, the better the performance of the fractured quartz sand. Therefore, the improvement of the sphericity of the quartz sand for fracturing is very important for improving the quality of the quartz sand.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for improving quartzy sand sphericity of fracturing.
The utility model provides a following scheme:
an apparatus for increasing the sphericity of a fractured quartz sand, comprising:
the tank body is provided with a closed cavity structure; the tank body is internally provided with a partition board which is fully distributed in a flat layer, and the partition board partitions the interior of the tank body into a processing cavity and an air supply cavity which are positioned at the upper part; the gas supply cavity is connected with a gas pressurization assembly;
the quartz sand guide pipe is suspended in the treatment cavity through a support, a baffle and a sand outlet are formed at the upper end of the quartz sand guide pipe, and the lower end of the quartz sand guide pipe is open;
the gas guide pipe is connected with the gas supply cavity and extends to the inside of the quartz sand guide pipe; the gas guide pipe and the quartz sand guide pipe are separated from each other to form an annular gap structure, one part of the annular gap structure is closed by a sealing plate, and the other part of the annular gap structure is opened to form a sand inlet;
the first sand guide plate is positioned inside the treatment cavity, one end of the first sand guide plate is connected with the partition plate, and the other end of the first sand guide plate is connected with the sand storage tank positioned outside the tank body; the first sand guide plate is used for guiding the raw sand to be treated supplied by the sand storage tank to the sand inlet.
Preferably: the baffle is connected with the wearing layer.
Preferably: the wear-resistant layer is a wear-resistant ceramic layer.
Preferably: the sand tank is characterized by further comprising a second sand guide plate, one end of the second sand guide plate is connected with the sand outlet, the other end of the second sand guide plate is connected with the discharge port in the tank body, and the second sand guide plate is used for guiding the treated quartz sand to the discharge port.
Preferably: still including being located the external filter assembly of jar, filter assembly include with the filter screen that the second sand guide plate links to each other, be formed at the concentrate collection subassembly of filter screen below and be formed at the coarse fodder collection subassembly of filter screen distal end.
Preferably: the top of the tank body is formed with a dust collecting port, and the dust collecting port is used for being connected with a dust treatment device.
Preferably: and a waste discharge port is formed at the bottom of the tank body, is communicated with the air supply cavity and comprises a sealing valve.
Preferably: the gas booster assembly comprises a gas booster fan.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
through the utility model, a device for improving the sphericity of the fractured quartz sand can be realized, and in an implementation mode, the device can comprise a tank body which is provided with a closed cavity structure; the tank body is internally provided with a partition board which is fully distributed in a flat layer, and the partition board partitions the interior of the tank body into a processing cavity and an air supply cavity which are positioned at the upper part; the gas supply cavity is connected with a gas pressurization assembly; the quartz sand guide pipe is suspended in the treatment cavity through a support, a baffle and a sand outlet are formed at the upper end of the quartz sand guide pipe, and the lower end of the quartz sand guide pipe is open; the gas guide pipe is connected with the gas supply cavity and extends to the inside of the quartz sand guide pipe; the gas guide pipe and the quartz sand guide pipe are separated from each other to form an annular gap structure, one part of the annular gap structure is closed by a sealing plate, and the other part of the annular gap structure is opened to form a sand inlet; the first sand guide plate is positioned inside the treatment cavity, one end of the first sand guide plate is connected with the partition plate, and the other end of the first sand guide plate is connected with the sand storage tank positioned outside the tank body; the first sand guide plate is used for guiding the raw sand to be treated supplied by the sand storage tank to the sand inlet. The application provides a device for improving fracturing quartz sand sphericity, simple structure is reasonable, need not to use grinding device, and whole in-process that improves circularity can not have impurity production such as any metal fillings, can not cause the pollution to quartz sand. The device work efficiency is high, can realize continuous production, and the fragile spare is few, and it is more convenient to maintain during the use. Is worthy of large-area popularization and application.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for improving sphericity of fractured quartz sand provided by an embodiment of the present invention.
In the figure: the device comprises a tank body 1, a treatment chamber 101, a gas supply chamber 102, a partition plate 2, a gas pressurization component 3, a quartz sand guide pipe 4, a baffle plate 5, a sand outlet 6, a gas guide pipe 7, a sealing plate 8, a sand inlet 9, a first sand guide plate 10, a sand storage tank 11, a wear-resistant layer 12, a second sand guide plate 13, a discharge port 14, a filtering component 15, a concentrate collecting component 16, a coarse material collecting component 17, a dust collecting port 18, a waste discharge port 19 and a sealing valve 20.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, a device for improving sphericity of fractured quartz sand provided by an embodiment of the present invention, as shown in fig. 1, includes a tank 1, where the tank 1 has a closed cavity structure; a flat-layer full partition plate 2 is arranged in the tank body 1, and the partition plate 2 partitions the interior of the tank body 1 into a treatment cavity 101 and an air supply cavity 102 which are positioned at the upper part; the gas supply cavity 101 is connected with a gas pressurizing assembly 3; the gas booster assembly 3 may comprise a gas booster fan. The high-pressure gas generated by the gas pressurizing assembly 3 can provide rising power for the quartz sand, and the gas pressurizing assembly is not in direct contact with the quartz sand, so that the gas pressurizing assembly is not prone to failure. When the traditional grinding equipment is adopted, the common particle size of the quartz sand is small, so that the quartz sand can easily enter parts such as a bearing of the grinding equipment and the like, and the similar parts are damaged. And the equipment that adopts this application to provide can be effectual the life who solves the grinding equipment among the prior art existence short, the problem of easy trouble.
The quartz sand guide pipe 4 is suspended inside the treatment chamber 101 through a bracket (not shown in the figure), a baffle 5 and a sand outlet 6 are formed at the upper end of the quartz sand guide pipe 4, and the lower end of the quartz sand guide pipe 4 is open; the inner side of the quartz sand guide pipe 4 can be provided with a wear-resistant material layer so as to prolong the service life of the quartz sand guide pipe.
The gas guide pipe 7 is connected with the gas supply cavity 102 and extends to the inside of the quartz sand guide pipe 4; the gas guide pipe 7 and the quartz sand guide pipe 4 are separated from each other to form an annular gap structure, one part of the annular gap structure is closed by a sealing plate 8, and the other part of the annular gap structure is opened to form a sand inlet 9; the size of the sand inlet 9 may be determined according to the overall size of the apparatus and the power of the air pressurizing apparatus.
The first sand guide plate 10 is positioned inside the treatment cavity 101, one end of the first sand guide plate 10 is connected with the partition plate 2, and the other end of the first sand guide plate 10 is connected with a sand storage tank 11 positioned outside the tank body 1; the first sand guide plate 10 is used for guiding the raw sand to be treated supplied by the sand storage tank 11 to the sand inlet 9.
Further, in order to prolong the service life of the device, the baffle 5 is connected with a wear-resistant layer 12. Specifically, the wear-resistant layer 12 is a wear-resistant ceramic layer.
In order to move the treated quartz sand out of the tank body 1, the quartz sand treatment tank further comprises a second sand guide plate 13, one end of the second sand guide plate 13 is connected with the sand outlet 6, the other end of the second sand guide plate 13 is connected with a discharge port 14 on the tank body 1, and the second sand guide plate 13 is used for guiding the treated quartz sand to the discharge port 14. In order to further improve product quality, realize sieving the quartz sand after the completion of handling, still including being located jar body 1 outside filter assembly 15, filter assembly include with the filter screen that the second sand guide plate links to each other, form in concentrate collection component 16 of filter screen below and form in the coarse fodder collection component 17 of filter screen distal end.
Since the quartz sand generates dust after the water caltrops are ground off after the quartz sand collides with the baffle plate in the device, a dust collecting opening 18 is formed at the top of the tank body 1 for collecting the generated dust, and the dust collecting opening 18 is used for realizing connection with a dust treatment device. The dust processing device can be a cyclone dust collector and other equipment.
Further, a waste discharge port 19 is formed at the bottom of the tank body 1, the waste discharge port 19 is communicated with the gas supply chamber, and the waste discharge port 19 includes a sealing valve 20.
When the device uses, at first start the gaseous pressure boost subassembly, gaseous pressure boost subassembly carries gas supply intracavity after with gaseous pressurization, and in the high-pressure gas of gas supply intracavity got into the quartz sand honeycomb duct through gaseous honeycomb duct, the quartz sand honeycomb duct pipe upflow was verified to high-pressure gas, can make the sand inlet position department below the quartz sand honeycomb duct form the negative pressure environment. Supply pending quartz sand to jar internal through storing up the sand groove, quartz sand verifies that first sand guide plate collects to advance sand mouth department, because the quartz sand honeycomb duct produces negative pressure environment under the air current effect, therefore, quartz sand can be inhaled in the quartz sand honeycomb duct through advancing the sand mouth, the quartz sand that gets into in the quartz sand honeycomb duct moves along quartz sand honeycomb duct upwards at a high speed under high-pressure air's effect, can form high-speed striking with the baffle after arriving at the baffle, at the in-process of striking, the original edges and corners of quartz sand can partly drop, thereby make the circularity of quartz sand obtain improving. Because the effect of baffle, the quartz sand after handling the completion can discharge from the discharge port via second sand guide plate, can carry out the filtration once more to the quartz sand that handles through external filter screen, filters the quartz sand of big granule to collect the beneficiated burden material, so that carry out subsequent processing. In the processing procedure, the dust that produces can be collected the mouth through the dust and is caught by dust processing apparatus to remove dust through dust processing apparatus and handle, guarantee that the device can be environmental protection more. It is conceivable that, in the actual use process, if the roundness of the quartz sand processed by the device once is not ideal, the quartz sand can be repeatedly processed by the device for multiple times until the roundness reaches the design requirement. The device can also be used for processing in a mode of connecting a plurality of sets of the devices in parallel.
In a word, the device for improving the sphericity of the fractured quartz sand provided by the application has the advantages that the structure is simple and reasonable, grinding equipment is not required to be used, impurities such as any metal chips cannot be generated in the whole process of improving the roundness, and the pollution to the quartz sand cannot be caused. The device work efficiency is high, can realize continuous production, and the fragile spare is few, and it is more convenient to maintain during the use. Is worthy of large-area popularization and application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. An apparatus for increasing the sphericity of a fractured quartz sand, comprising:
the tank body is provided with a closed cavity structure; the tank body is internally provided with a partition board which is fully distributed in a flat layer, and the partition board partitions the interior of the tank body into a processing cavity and an air supply cavity which are positioned at the upper part; the gas supply cavity is connected with a gas pressurization assembly;
the quartz sand guide pipe is suspended in the treatment cavity through a support, a baffle and a sand outlet are formed at the upper end of the quartz sand guide pipe, and the lower end of the quartz sand guide pipe is open;
the gas guide pipe is connected with the gas supply cavity and extends to the inside of the quartz sand guide pipe; the gas guide pipe and the quartz sand guide pipe are separated from each other to form an annular gap structure, one part of the annular gap structure is closed by a sealing plate, and the other part of the annular gap structure is opened to form a sand inlet;
the first sand guide plate is positioned inside the treatment cavity, one end of the first sand guide plate is connected with the partition plate, and the other end of the first sand guide plate is connected with the sand storage tank positioned outside the tank body; the first sand guide plate is used for guiding the raw sand to be treated supplied by the sand storage tank to the sand inlet.
2. The device for improving the sphericity of fractured quartz sand according to claim 1, wherein the baffle is connected with a wear-resistant layer.
3. The device for improving the sphericity of fractured quartz sand according to claim 2, wherein the wear-resistant layer is a wear-resistant ceramic layer.
4. The device for improving the sphericity of fractured quartz sand according to claim 1, further comprising a second sand guide plate, wherein one end of the second sand guide plate is connected with the sand outlet, the other end of the second sand guide plate is connected with a discharge port on the tank body, and the second sand guide plate is used for guiding the treated quartz sand to the discharge port.
5. The device for improving sphericity of fractured quartz sand of claim 4, further comprising a filter assembly located outside the tank, wherein the filter assembly comprises a filter screen connected to the second sand deflector, a fines collection assembly formed below the filter screen, and a fines collection assembly formed at a distal end of the filter screen.
6. The device for improving the sphericity of fractured quartz sand according to claim 1, wherein a dust collection port is formed at the top of the tank body and used for realizing connection with a dust treatment device.
7. The apparatus for improving sphericity of fractured quartz sand of claim 1, wherein a waste discharge port is formed at the bottom of the tank body, the waste discharge port communicating with the gas supply chamber, the waste discharge port comprising a sealing valve.
8. The apparatus for improving the sphericity of fractured quartz sand of claim 1 wherein the gas pressurizing assembly comprises a gas pressurizing fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538790.XU CN212508246U (en) | 2020-04-14 | 2020-04-14 | Device for improving sphericity of fractured quartz sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020538790.XU CN212508246U (en) | 2020-04-14 | 2020-04-14 | Device for improving sphericity of fractured quartz sand |
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| Publication Number | Publication Date |
|---|---|
| CN212508246U true CN212508246U (en) | 2021-02-09 |
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| CN202020538790.XU Active CN212508246U (en) | 2020-04-14 | 2020-04-14 | Device for improving sphericity of fractured quartz sand |
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| CN (1) | CN212508246U (en) |
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