CN215430138U

CN215430138U - High-frequency multilayer fine screening machine for petroleum fracturing sand

Info

Publication number: CN215430138U
Application number: CN202121616970.6U
Authority: CN
Inventors: 郭建伟; 赵瑞东; 赵鹏; 孟庆良
Original assignee: Chengde Dongwei New Material Technology Co ltd
Current assignee: Chengde Dongwei New Material Technology Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-07
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to the technical field of fine screening machines, and discloses a high-frequency multilayer fine screening machine for petroleum fracturing sand, which comprises a bottom frame, wherein a fixed seat is arranged on one side of the bottom frame, a supporting frame is arranged on the upper surface of the bottom frame through a connecting structure, an upper damping spring and a lower damping spring for damping are respectively and fixedly connected to the upper surface of the supporting frame, an upper screen body and a lower screen body for screening are respectively and fixedly connected to the upper surface of the upper damping spring and the upper surface of the lower damping spring, a pressing pipe is fixedly connected to the inner wall of the upper screen body, and a detachable screen is clamped in the upper screen body through the pressing pipe. This oil fracturing sand high frequency multiple layer fine screen machine sets up through the cooperation of last screen frame, screen frame and screen cloth down, installs the screen cloth of 5 layers of different specifications in last screen frame and the screen frame down, can sieve out the finished product of two kinds of specifications simultaneously when singly going up the screen frame feeding, improves more than one time than 3 to 4 layers of sieve output efficiency under equivalent to the same condition.

Description

High-frequency multilayer fine screening machine for petroleum fracturing sand

Technical Field

The utility model relates to the technical field of fine screening machines, in particular to a high-frequency multilayer fine screening machine for petroleum fracturing sand.

Background

In the field of petroleum, fracturing refers to a method for forming cracks in oil and gas layers by utilizing the hydraulic action in the process of oil extraction or gas production, and is also called hydraulic fracturing, wherein the fracturing is to artificially crack the strata, improve the flowing environment of oil in the underground and increase the yield of an oil well, and plays an important role in improving the flowing condition of the bottom of the oil well, slowing down the layers and improving the oil layer utilization condition.

The fracturing quartz sand multistage vibrating screen disclosed in Chinese utility model patent application publication specification CN210585830U comprises a mounting plate, wherein the upper end surface of the mounting plate is provided with a second damping frame, the upper end surface of the second damping frame is provided with a spring, the top of the spring is connected with a first damping frame, the top of the first damping frame is connected with a fixed frame, the fixed frame is provided with a vibrating motor through a fixed plate, the fracturing quartz sand multistage vibrating screen uniformly drops quartz sand raw materials into the fixed frame through a feeding bin, the quartz sand diameter is sequentially screened from small to large through a first screen mesh, a second screen mesh and a third screen mesh, the screened quartz sand is conveniently conveyed to different processes through a screw conveying rod and a fixed shell through the motor, the first screen mesh, the second screen mesh and the third screen mesh are conveniently replaced and maintained through the fixed frame and a fixed bolt, and the screening effect of the vibrating screen is ensured, the use is convenient.

However, the device has some defects in the actual use process, for example, the device is inconvenient for replacing a screen, the product specification is small, the yield is extremely small, the granularity ratio is unqualified, and the screening precision does not reach the standard, thereby seriously restricting the development of the industry, and needing a device for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-frequency multilayer fine screening machine for petroleum fracturing sand, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an oil fracturing sand high frequency multiple layer fine screening machine, includes that one side is equipped with the chassis of fixing base, the support frame is installed through connection structure to the upper surface of chassis, the upper surface difference fixedly connected with of support frame is used for absorbing last damping spring and damping spring down, the last surface difference fixedly connected with of going up damping spring and damping spring down is used for the last screen frame and the screen frame down that sieves, the inner wall fixedly connected with of going up the screen frame presses the pipe, the inside of going up the screen frame has the detachable screen cloth through pressing the pipe joint, the upper surface of going up the screen frame and the lower surface of screen frame down all are equipped with the vibrating motor who is used for the vibration.

Optionally, one end of the upper screen body is fixedly connected with a tensioning clamp used for stretching the screen, and the tensioning clamp is connected with one end of the screen in a clamping mode.

Optionally, the upper surface of the upper screen body is fixedly connected with an installation beam, and the lower surface of the vibration motor is connected with the upper surface of the installation beam through threads.

Optionally, one end of the upper screen body and one end of the lower screen body are fixedly connected with an upper feeding box and a lower feeding box for feeding respectively.

Optionally, the connection structure includes a threaded rod penetrating through the inner wall of the support frame, and a nut for fixing is sleeved on the outer surface of the threaded rod.

Optionally, the top of the front side of the support frame is fixedly connected with a fixed hook for hanging a required article.

(III) advantageous effects

The utility model provides a high-frequency multilayer fine screening machine for petroleum fracturing sand, which has the following beneficial effects:

1. this oil fracturing sand high frequency multiple layer fine screen machine, through last screen frame, the cooperation setting of screen frame and screen cloth down, install the screen cloth of 5 layers of different specifications in last screen frame and the screen frame down, can sieve out the finished product of two kinds of specifications simultaneously when singly going up the screen frame feeding, be equivalent to and improve more than one time than 3 to 4 layers of sieve output efficiency under the same condition, install leak-proof cloth to last screen frame third layer, upper and lower screen frame just forms binary channels structure about going up, the screen surface of same specification is installed to upper and lower screen frame, upper and lower two feed sieves 1 specification product simultaneously, output efficiency is improved more than one time than single screen machine under the same condition.

2. This oil fracturing sand high frequency multiple layer fine screen machine sets up through the cooperation of last screen frame, screen frame and upper and lower screen frame double vibration motor linear motion orbit down, and the material realizes that high frequency, low amplitude hug closely the sifter and move, increases the frequency of penetrating the sieve, realizes super high precision screening, sets up through the screen cloth and the cooperation of pressing the pipe, and in use conveniently in time carries out quick replacement to the screen cloth, satisfies regulation screening precision demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. an upper screen body; 2. an upper damping spring; 3. a vibration motor; 4. a lower screen body; 5. a support frame; 6. an upper feeding box; 7. a lower damping spring; 8. screening a screen; 9. a lower feeding box; 10. mounting a beam; 11. tensioning clamps; 12. pressing a pipe; 13. a threaded rod; 14. a nut; 15. fixing the hook; 16. a fixed seat; 17. a chassis.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-frequency multi-layer fine screening machine for petroleum fracturing sand comprises an underframe 17 with a fixed seat 16 on one side, a support frame 5 is mounted on the upper surface of the underframe 17 through a connecting structure, the connecting structure comprises a threaded rod 13 penetrating through the inner wall of the support frame 5, a nut 14 for fixing is sleeved on the outer surface of the threaded rod 13, a fixed hook 15 for hanging required articles is fixedly connected to the top of the front surface of the support frame 5, after the nut 14 is screwed on the outer wall of the threaded rod 13, the nut 14 can prevent the support frame 5 from moving up and down, the required articles can be hung on the upper side of the fixed hook 15 arranged on the side surface of the support frame 5, the high-frequency multi-layer fine screening machine is convenient to use during screening, a countersunk hole is formed in the fixed seat 16, and a fixed bolt is conveniently screwed in the countersunk hole to fix the underframe 17;

the upper surface of the supporting frame 5 is respectively and fixedly connected with an upper damping spring 2 and a lower damping spring 7 for damping, the upper surfaces of the upper damping spring 2 and the lower damping spring 7 are respectively and fixedly connected with an upper screen body 1 and a lower screen body 4 for sieving, one end of the upper screen body 1 is fixedly connected with a tensioning clamp 11 for stretching a screen mesh 8, the tensioning clamp 11 is clamped with one end of the screen mesh 8, the upper surface of the upper screen body 1 is fixedly connected with an installation beam 10, the lower surface of the vibrating motor 3 is in threaded connection with the upper surface of the installation beam 10, one end of the upper screen body 1 and one end of the lower screen body 4 are respectively and fixedly connected with an upper feeding box 6 and a lower feeding box 9 for blanking, the upper damping spring 2 and the lower damping spring 7 can respectively buffer the upper screen body 1 and the lower screen body 4, so as to prevent the support frame 5 from being influenced when the upper screen body 1 and the lower screen body 4 vibrate, and prolong the service life of the support frame 5 to a certain extent;

the inner walls of the upper screen body 1 and the lower screen body 4 are fixedly connected with a pressing pipe 12, the interior of the upper screen body 1 is clamped with a detachable screen 8 through the pressing pipe 12, the upper surface of the upper screen body 1 and the lower surface of the lower screen body 4 are respectively provided with a vibration motor 3 for vibration, the screen 8 is fixed in the upper screen body 1 and the lower screen body 4 through the pressing pipe 12, the pressing pipe 12 can be detached when replacement is needed, the screen 8 in the pressing pipe 12 is replaced, and the time for replacing the screen 8 is shortened;

the electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the utility model, the working steps of the device are as follows:

1. when in use, the underframe 17 is placed at a position needing to be used, and the underframe 17 is fixed in the fixed seat 16 formed by screwing the fastening bolt on the underframe 17;

2. after the fixation is finished, the screen 8 is respectively fixed in the upper screen body 1 and the lower screen body 4 according to the requirement of the actual situation, and the screen is used after the fixation is finished;

3. when the vibrating screen is used, materials are respectively put into the upper screen body 1 and the lower screen body 4 from the upper feeding box 6 and the lower feeding box 9, and the vibrating motor 3 is started, so that the vibrating motor 3 drives the upper screen body 1 and the lower screen body 4 to vibrate;

4. if the screen 8 is broken, the pressure pipe 12 can be removed and the broken screen 8 can be replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a petroleum fracturing sand high frequency multiple layer fine screen machine, includes that one side is equipped with chassis (17) of fixing base (16), its characterized in that: support frame (5) are installed through connection structure to the upper surface of chassis (17), the last surface difference fixedly connected with of support frame (5) is used for absorbing last damping spring (2) and damping spring (7) down, go up damping spring (2) and the last surface difference fixedly connected with of damping spring (7) down and be used for last screen frame (1) and screen frame (4) down that sieve, the inner wall fixedly connected with of going up screen frame (1) presses pipe (12), the inside of going up screen frame (1) is pressed pipe (12) joint through pressing has detachable screen cloth (8), the upper surface of going up screen frame (1) and the lower surface of screen frame (4) down all are equipped with vibrating motor (3) that are used for the vibration.

2. The high-frequency multi-layer fine screening machine for the petroleum fracturing sand as claimed in claim 1, which is characterized in that: go up the one end fixedly connected with of screen frame (1) and be used for tensile tensioning clamp (11) of screen cloth (8), the one end joint of tensioning clamp (11) and screen cloth (8).

3. The high-frequency multi-layer fine screening machine for the petroleum fracturing sand as claimed in claim 1, which is characterized in that: the upper surface of the upper screen body (1) is fixedly connected with an installation beam (10), and the lower surface of the vibration motor (3) is connected with the upper surface of the installation beam (10) through threads.

4. The high-frequency multi-layer fine screening machine for the petroleum fracturing sand as claimed in claim 1, which is characterized in that: one end of the upper screen body (1) and one end of the lower screen body (4) are respectively and fixedly connected with an upper feeding box (6) and a lower feeding box (9) which are used for blanking.

5. The high-frequency multi-layer fine screening machine for the petroleum fracturing sand as claimed in claim 1, which is characterized in that: the connecting structure comprises a threaded rod (13) penetrating through the inner wall of the support frame (5), and a nut (14) for fixing is sleeved on the outer surface of the threaded rod (13).

6. The high-frequency multi-layer fine screening machine for the petroleum fracturing sand as claimed in claim 1, which is characterized in that: the top of the front surface of the support frame (5) is fixedly connected with a fixed hook (15) used for hanging needed articles.