Petroleum screen pipe

Abstract

The utility model discloses a petroleum screen pipe. Comprising a screen pipe body, a mounting base is arranged in the middle of the screen pipe body, and a screening mechanism is arranged in the mounting base; the screening mechanism comprises a mounting tank body, one side of the mounting tank body is provided with a through input hole, the other side of the mounting tank body is provided with a plurality of first filter screen holes which are axially arranged and used for filtering, and the through input hole and the first filter screen holes correspond to the screen pipe main body; a limiting ring is fixedly arranged at the top of the mounting tank body, a sealing cover is connected to the upper portion of the mounting base in a threaded mode, a pulling ring is connected to the lower portion of the sealing cover through two connecting rods, the pulling ring is located on the lower portion of the limiting ring, and a hexagonal screw block is fixedly arranged on the upper portion of the sealing cover. The stone screening device has the advantages that the tank body is mounted to screen and store stones, so that the stones can be conveniently and quickly cleaned or replaced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of oil transportation, especially relates to a petroleum screen pipe. BACKGROUND

[0002] Oil pipeline (also called pipeline, pipe line) is composed of oil pipe and its accessories, and is equipped with corresponding oil pump unit according to the need of technological process, is designed and installed into a complete pipeline system, and is used for completing oil loading and unloading and transfer task.

[0003] Oil is mixed with stones during exploitation, and the stones need to be screened out in oil transportation to ensure the purity of oil, and the stones are screened out by using the petroleum screen pipe during oil transportation.

[0004] However, the prior art has some problems: the existing petroleum screen pipe is not convenient for storing stones when screening stones, is easy to cause blockage, needs to be stopped frequently to transport oil, is disassembled to clean, affects oil transportation, increases work difficulty, therefore we propose a petroleum screen pipe. UTILITY MODEL CONTENT

[0005] In view of the problems in the prior art, the utility model aims at providing a petroleum screen pipe, which screens and stores stones by installing a tank body, so as to facilitate quick cleaning or replacement.

[0006] The utility model is implemented as follows: a petroleum screen pipe, which comprises a screen pipe body, an installation seat is arranged in the middle of the screen pipe body, a screening mechanism is arranged in the inside of the installation seat;

[0007] The screening mechanism comprises a tank body arranged in the inside of the installation seat, a through input hole for oil input is formed in one side of the tank body, a plurality of first filter mesh holes for filtering are arranged in the other side of the tank body in an axial direction, and the through input hole and the first filter mesh hole correspond to the screen pipe body;

[0008] A limiting ring is fixedly arranged on the top of the tank body, a sealing cover is threadedly connected to the upper portion of the installation seat, a pulling ring for pulling the limiting ring is connected to the lower portion of the sealing cover through two connecting rods, the pulling ring is arranged on the lower portion of the limiting ring, and a hexagonal screw block for dismounting and mounting is fixedly arranged on the upper portion of the sealing cover.

[0009] Preferably, a plurality of second filter mesh holes for filtering are arranged in the bottom of the tank body in an axial direction.

[0010] Preferably, a supporting shaft is fixedly arranged in the middle of the tank body, and a buffer impeller for reducing the impact of oil is sleeved on the supporting shaft.

[0011] Preferably, two limiting grooves are arranged on the outer side of the installation tank body, the installation seat is provided with an installation groove, two limiting strips are fixedly arranged on the inner wall of the installation groove, and the installation tank body is movably installed in the installation groove.

[0012] Preferably, the two ends of the screen pipe body are respectively fixedly provided with connecting flanges for being connected with oil pipelines, and the inside of the screen pipe body on one side is fixedly provided with a Venturi tube.

[0013] Preferably, the control valve mechanisms are respectively installed in the screen pipe bodies on two sides and are used for controlling oil delivery.

[0014] Preferably, the control valve mechanism comprises a valve plate arranged in the screen pipe body, a valve shaft fixedly arranged in the middle of the valve plate, a lower part of the valve shaft movably connected to the screen pipe body, an upper part of the valve shaft penetrating through the screen pipe body, and a rotating hand wheel fixedly connected to the top end of the valve shaft.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] The installation seat is used for installing the screening mechanism, the installation tank body in the screening mechanism is used for inputting and filtering oil through the penetrating input hole and the first filter screen hole, the open penetrating input hole is convenient for maintaining stable input of oil, the oil delivery speed is increased through the Venturi tube, the first filter screen hole is prevented from being blocked by thick oil, the impact on the first filter screen hole caused by excessive speed increase of the Venturi tube is reduced through the buffer impeller, the oil impact is reduced, and the first filter screen hole is safely protected.

[0017] The volume of the installation tank body is large, the fallen stones are conveniently stored, the oil delivery is controlled through the control valve mechanisms at two ends, the oil delivery is conveniently blocked, the sealing cover is opened through the hexagonal screw block, the installation tank body is taken out through the pulling ring and the limiting ring, the installation tank body is conveniently cleaned or replaced, and the filtering process is prevented from being blocked.

[0018] The installation tank body is positioned through the limiting strips and the limiting grooves, the penetrating input hole of the installation tank body is kept facing the oil input, and the oil input is prevented from being blocked or the stones are prevented from being filtered and stored in the screen pipe body.

[0019] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1It is the structural schematic view provided by the utility model;

[0021] Figure 2 It is the screen pipe main body schematic view provided by the utility model;

[0022] Figure 3 It is the internal structure schematic view provided by the utility model;

[0023] Figure 4 It is the screening mechanism schematic view provided by the utility model;

[0024] Figure 5 It is the screening mechanism sectional view provided by the utility model.

[0025] In the figure: 1, screen pipe main body;2, mounting seat;201, installation groove;202, limit strip;3, connecting flange;4, control valve mechanism;401, valve plate;402, valve shaft;403, rotating hand wheel;5, screening mechanism;501, installation jar body;502, limit groove;503, through input hole;504, first filter mesh hole;505, limit ring;506, sealing cover;507, connecting rod;508, pull ring;509, hexagonal screw block;510, second filter mesh hole;511, support shaft;512, buffer impeller;6, venturi. DETAILED DESCRIPTION

[0026] In order to further understand the utility model content, characteristics and efficacy of the utility model, the following examples are cited, and the following is described in detail with the help of drawings.

[0027] As Figures 1 to 5 Indicated, the utility model embodiment provides a kind of petroleum screen pipe, including screen pipe main body 1, the middle of screen pipe main body 1 is equipped with mounting seat 2, the inside of mounting seat 2 is equipped with screening mechanism 5;

[0028] Screening mechanism 5 includes installation jar body 501 in the inside of mounting seat 2, one side of installation jar body 501 is equipped with the through input hole 503 for oil input, the other side of installation jar body 501 is equipped with a plurality of axial arrangement first filter mesh hole 504 for filtering, through input hole 503 and first filter mesh hole 504 correspond to screen pipe main body 1;

[0029] The top of installation jar body 501 is fixedly equipped with limit ring 505, the upper portion of mounting seat 2 is threadedly connected with sealing cover 506, the lower portion of sealing cover 506 is connected with pull ring 508 for pulling limit ring 505 by two connecting rods 507, pull ring 508 is in the lower portion of limit ring 505, the upper portion of sealing cover 506 is fixedly equipped with hexagonal screw block 509 for dismounting and installation.

[0030] In this embodiment, preferably, the bottom of the installation tank body 501 is provided with a plurality of axially arranged second filter holes 510 for filtering. The second filter holes 510 are set to facilitate the retention of oil inside the installation seat 2 when the installation tank body 501 is removed, preventing the oil from being taken out and causing waste.

[0031] In this embodiment, preferably, a support shaft 511 is fixedly installed in the middle of the installation tank body 501, and a buffer impeller 512 for reducing oil impact is sleeved on the support shaft 511. The buffer impeller 512 is set to absorb the impact of the oil, preventing the impact force of the oil delivery from damaging the first filter holes 504.

[0032] In this embodiment, preferably, two limiting grooves 502 are provided on the outside of the installation tank body 501, and an installation groove 201 is provided in the installation seat 2. Two limiting strips 202 are fixedly provided on the inner wall of the installation groove 201. The installation tank body 501 is movably installed inside the installation groove 201, and the limiting strips 202 are slidably located inside the limiting grooves 502. The installation groove 201 is set to facilitate the installation of the screening mechanism 5, and the limiting strips 202 and the limiting grooves 502 are set to maintain the installation stability of the installation tank body 501, preventing rotation under the impact of the oil.

[0033] In this embodiment, preferably, two connecting flanges 3 for connecting with the oil pipeline are fixedly provided at both ends of the screen pipe body 1. A Venturi tube 6 is fixedly provided inside the screen pipe body 1 on one side. The Venturi tube 6 is set to increase the delivery rate of the oil, preventing the oil from being blocked due to its thickness. The connecting flanges 3 are set to facilitate the installation and connection of the screen pipe body 1.

[0034] In this embodiment, preferably, a control valve mechanism 4 for controlling oil delivery is installed in each of the screen pipe bodies 1 on both sides. The control valve mechanism 4 includes a valve plate 401 provided inside the screen pipe body 1. A valve shaft 402 is fixedly provided in the middle of the valve plate 401. The lower part of the valve shaft 402 is movably connected to the screen pipe body 1, and the upper part of the valve shaft 402 penetrates the screen pipe body 1. A rotating handle 403 is fixedly connected to the top end of the valve shaft 402. The control valve mechanism 4 is set to control and adjust the on-off of the oil delivery.

[0035] The specific implementation process is as follows:

[0036] The screen pipe body 1 is connected with the oil pipeline through the connecting flanges 3. When the screening mechanism 5 is installed, the limiting grooves 502 and the limiting strips 202 are kept in clamping connection, and the input hole 503 and the Venturi tube 6 are both located at the oil input end.

[0037] During oil transportation, the control valve mechanism 4 on the output side is opened, and then the control valve mechanism 4 on the input side is opened, so that the oil can be accelerated through the Venturi tube 6 and flow into the interior of the installation tank 501 through the through-inlet hole 503. When the oil is input, it impacts the buffer impeller 512 to eliminate the impact force of the oil and prevent the oil from directly impacting the first filter screen 504 and damaging the first filter screen 504. After the oil passes through the first filter screen 504, it is output from the output end of the screen tube body 1, and the stones are filtered down and stored at the bottom of the installation tank 501.

[0038] Furthermore, when cleaning the screening mechanism 5 is required, first close the control valve mechanism 4 on the input side, and then close the control valve mechanism 4 on the output side, so that the oil content in the mounting base 2 is reduced, making it easier to remove the screening mechanism 5; use a wrench to turn the hexagonal screw block 509 so that the sealing cover 506 can rotate and disengage from the threaded connection of the mounting base 2; then, when pulling the sealing cover 506, the sealing cover 506, through the action of the connecting rod 507, the pulling ring 508, and the limiting ring 505, pulls the mounting tank 501 out of the mounting groove 2 together. 01, to facilitate the cleaning of stones stored inside the installation tank 501, or to replace the installation tank 501. After cleaning or replacement, the installation tank 501 is installed, and the limiting groove 502 and the limiting strip 202 are engaged and connected. The through input hole 503 and the venturi tube 6 are both at the oil input end. Then, the sealing cover 506 is threadedly connected by the hexagonal screw block 509 to maintain the seal. Then, the control valve mechanism 4 on the output side is opened, and the control valve mechanism 4 on the input side is opened to realize the transportation and filtration of oil.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil screen comprising a screen body (1), characterized in that: The middle of the screen pipe body (1) is provided with a mounting seat (2), and the inside of the mounting seat (2) is provided with a screening mechanism (5); The screening mechanism (5) comprises a mounting tank (501) in the mounting seat (2), one side of the mounting tank (501) is provided with a through input hole (503) for oil input, and the other side of the mounting tank (501) is provided with a plurality of first filter mesh holes (504) arranged in the axial direction for filtering, and the through input hole (503) and the first filter mesh hole (504) correspond to the screen pipe body (1); The top of the mounting tank (501) is fixedly provided with a limiting ring (505), the upper part of the mounting seat (2) is threadedly connected with a sealing cover (506), the lower part of the sealing cover (506) is connected with a pulling ring (508) for pulling the limiting ring (505) through two connecting rods (507), the pulling ring (508) is located below the limiting ring (505), and the upper part of the sealing cover (506) is fixedly provided with a hexagonal screw block (509) for dismounting and mounting.

2. A petroleum screen pipe according to claim 1, characterized in that: The bottom of the mounting tank (501) is provided with a plurality of second filter mesh holes (510) arranged in the axial direction for filtering.

3. A petroleum screen pipe according to claim 1, characterized in that: The middle of the mounting tank (501) is fixedly provided with a supporting shaft (511), and the supporting shaft (511) is sleeved with a buffer impeller (512) for slowing down the impact of oil.

4. The oil screen of claim 1 wherein: The outer side of the mounting tank (501) is provided with two limiting grooves (502), the mounting seat (2) is provided with a mounting groove (201), two limiting strips (202) are fixedly arranged on the inner wall of the mounting groove (201), the mounting tank (501) is movably arranged in the mounting groove (201), and the limiting strips (202) are slidably arranged in the limiting grooves (502).

5. The oil screen of claim 1 wherein: Both ends of the screen pipe body (1) are fixedly provided with connecting flanges (3) for connecting with oil pipelines, and the inside of the screen pipe body (1) on one side is fixedly provided with a Venturi tube (6).

6. The oil screen of claim 1 wherein: The screen pipe bodies (1) on both sides are respectively provided with control valve mechanisms (4) for controlling oil delivery.

7. A petroleum screen pipe according to claim 6, characterized in that: The control valve mechanism (4) comprises a valve plate (401) arranged in the screen pipe body (1), a valve shaft (402) fixedly arranged in the middle of the valve plate (401), the lower part of the valve shaft (402) movably connected to the screen pipe body (1), the upper part of the valve shaft (402) penetrating through the screen pipe body (1), and a rotating hand wheel (403) fixedly connected to the top end of the valve shaft (402).

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