CN113332767B - Filter equipment is used in oil development transportation - Google Patents

Filter equipment is used in oil development transportation Download PDF

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Publication number
CN113332767B
CN113332767B CN202110434024.8A CN202110434024A CN113332767B CN 113332767 B CN113332767 B CN 113332767B CN 202110434024 A CN202110434024 A CN 202110434024A CN 113332767 B CN113332767 B CN 113332767B
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CN
China
Prior art keywords
filter screen
rubber membrane
petroleum
pole setting
casing
Prior art date
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Application number
CN202110434024.8A
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Chinese (zh)
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CN113332767A (en
Inventor
冯芷菁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng Rongtai Petroleum Machinery Co ltd
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Yancheng Rongtai Petroleum Machinery Co ltd
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Priority to CN202110434024.8A priority Critical patent/CN113332767B/en
Publication of CN113332767A publication Critical patent/CN113332767A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6492Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a combination of movements with respect to the filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions

Abstract

The invention relates to the technical field of petroleum filtering equipment, and discloses a filtering device for petroleum exploitation and transportation, which comprises a shell, wherein a hole is formed in the middle of the top end of the shell, an oil inlet pipe is movably sleeved through the hole, four supports are arranged on the side surfaces of the oil inlet pipe in a surrounding mode, a convex round hole is formed in the top end of the shell corresponding to the supports, the middle of the convex round hole is movably sleeved with the supports through springs, a hole is formed in the middle of the bottom end of the shell, and the hole is in threaded sleeve connection with a slag collecting groove. According to the invention, the fixed and unchangeable cylindrical filter screen is reformed into the movable and deformable petroleum filter component consisting of the upright stanchion, the rubber membrane and the filter screen, the limiting plates arranged at the two ends of the upright stanchion are provided with different magnetism when being electrified, so that the purpose of pushing the filter screen to gather inwards to reduce the volume of the filter screen is achieved, and petroleum in the filter screen is continuously extruded, thereby effectively improving the petroleum flowability, shortening the filtering time and improving the working efficiency.

Description

Filter equipment is used in oil development transportation
Technical Field
The invention relates to the technical field of petroleum filtering equipment, in particular to a filtering device for petroleum exploitation and transportation.
Background
Oil is one of the essential important energy in our life, it has the transportation storage convenience, to the less advantage of atmosphere pollution degree, nevertheless oil is its inside impurity that can exist when exploiting, for guaranteeing subsequent transportation of oil and the safety of using, need carry out effectual filtration to the oil of exploitation, in the prior art, oil filter equipment generally is including filtering the casing, is equipped with the filter screen that is used for filtering the oil in the casing to and the surface of casing is equipped with the inside oil pipe and the play oil pipe of advancing of UNICOM casing, possess easy operation, safe effectual characteristics.
However, the petroleum filtering device has some defects in the using process: in the process of filtering the residues of the petroleum by using the filter screen, the petroleum is of a viscous texture, the shape of the filter screen is of a fixed and unchangeable annular cylindrical structure, the petroleum can only rely on the self gravity and the fluidity thereof to carry out impurity filtering operation through the filter screen, the consumed time in the process is long, and the work efficiency of filtering the impurities is low.
Disclosure of Invention
Aiming at the defects of the existing petroleum filtering device in the use process in the background technology, the invention provides the filtering device for petroleum exploitation and transportation, which has the advantages of achieving the purposes of extruding the volume of petroleum and improving the fluidity of the petroleum by the matching deformation of the upright stanchion, the rubber membrane and the filter screen, effectively shortening the filtering time and improving the working efficiency of the petroleum, and solving the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides a filter equipment is used in oil development transportation, includes the casing, the top middle part of casing is seted up porosely, and the clearing hole activity cup joints into oil pipe, the side that advances oil pipe encircles and is provided with four supports, with protruding type round hole has been seted up on the top of the casing that the support position corresponds, and the middle part of protruding type round hole cup joints through spring and support activity, the bottom middle part of casing is seted up porosely, and the clearing hole cup joints with collection slag groove screw thread, with the casing bottom that the protruding type round hole position on casing top corresponds has seted up the circular slot, and the circular slot tank bottom cup joints through spring and stopper activity, is located the stopper one end joint of bottom has the pole setting about the casing, the both sides fixedly connected with rubber membrane of pole setting, the one end and the filter screen fixed connection of rubber membrane, the inside of rubber membrane is equipped with the limiting plate, and articulated with pole setting and filter screen respectively, is located the casing bottom in the outside of pole setting, rubber membrane, filter screen is seted up porosely, and the clearing hole fixedly connected with goes out oil pipe, the top middle part fixedly connected with stand, the outside middle part fixedly connected with stand, the ring has cup jointed the movable rod, the outside of movable rod, the movable rod is articulated with the fly leaf.
Preferably, the vertical rod is a cylinder with a hexagonal section, and a transverse groove is formed in the top end of the vertical rod.
Preferably, the filter screen is the fan-shaped stainless steel filter screen that the section radian is 60 degrees, and quantity is four, the quantity of pole setting is four, the quantity of rubber membrane is eight, and is equipped with a limiting plate in every rubber membrane, the both sides of pole setting respectively are equipped with a limiting plate, and two limiting plates are the electromagnetic plate that has opposite magnetic pole when circular telegram, the both sides of filter screen respectively are equipped with a limiting plate, and two limiting plates are the electromagnetic plate that has the same magnetic pole when circular telegram.
Preferably, the movable rod encircles and sets up around a movable ring, and quantity is four, the quantity of movable ring is three, the position of movable rod corresponds with the filter screen.
Preferably, the section of the movable plate is in a sector shape with a radian, the bottom end of the movable plate is uneven, and the movable plate is an electromagnetic plate with N-type magnetism when being electrified.
The invention has the following beneficial effects:
1. according to the invention, the fixed and unchangeable cylindrical filter screen is reformed into the movable and deformable petroleum filter component consisting of the upright stanchion, the rubber membrane and the filter screen, the limiting plates arranged at the two ends of the upright stanchion are provided with different magnetism when being electrified, so that the purpose of pushing the filter screen to gather inwards to reduce the volume of the filter screen is achieved, and petroleum in the filter screen is continuously extruded, thereby effectively improving the petroleum flowability, shortening the filtering time and improving the working efficiency.
2. The movable plate is magnetic when being electrified, so that the filter screen can move upwards, the purpose of pushing the filter screen to expand outwards is achieved, preparation is made for the next time that the filter screen is electrified to gather inwards, meanwhile, the movable plate can fully contact the filter screen in the process of rotating up and down, the inner surface of the filter screen is subjected to descaling treatment, the filter screen is effectively prevented from being blocked, the filtering efficiency is further improved, and the filtering effect is enhanced.
3. According to the invention, through the movable sleeving arrangement of the oil inlet pipe and the contraction gathering and clamping arrangement of the upright stanchion, the rubber film and the filter screen, the upright stanchion, the rubber film and the filter screen can be simply taken out from the top end of the shell and cleaned, so that the problem of difficulty in cleaning and replacing the filter screen is solved, and meanwhile, the threaded sleeving arrangement of the slag collecting groove can effectively collect filtered impurities, so that the impurities can be conveniently discharged out of the shell at the later stage.
Drawings
FIG. 1 is a schematic view of the overall structure of a limiting plate of the invention when energized and magnetized;
FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the movable plate with magnetism according to the present invention;
FIG. 5 is an enlarged view of a portion of the structure at C in FIG. 4 according to the present invention.
In the figure: 1. a housing; 11. an oil inlet pipe; 12. a support; 13. an oil outlet pipe; 2. a slag collection groove; 3. erecting a rod; 31. a limiting block; 4. a rubber film; 41. a limiting plate; 5. a filter screen; 6. a column; 7. a movable ring; 71. a movable rod; 72. a movable plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Please refer to fig. 1-5, a filtering apparatus for petroleum exploitation transportation, including a housing 1, a hole is opened in the middle of the top end of the housing 1, an oil inlet pipe 11 is movably sleeved through the hole, a side of the oil inlet pipe 11 is provided with four brackets 12 around, a convex circular hole is opened on the top end of the housing 1 corresponding to the positions of the brackets 12, the middle of the convex circular hole is movably sleeved with the brackets 12 through a spring, a hole is opened in the middle of the bottom end of the housing 1, and the hole is in threaded sleeve joint with a slag collecting groove 2, a circular groove is opened at the bottom end of the housing 1 corresponding to the position of the convex circular hole on the top end of the housing 1, and the bottom end of the circular groove is movably sleeved with a stopper 31 through a spring, a vertical rod 3 is clamped at one end of the stopper 31 at the upper and lower bottom ends of the housing 1, two sides of the vertical rod 3 are fixedly connected with a rubber film 4, one end of the rubber film 4 is fixedly connected with the vertical rod 5, a limiting plate 41 is arranged inside of the rubber film 4, and is respectively hinged with the vertical rod 3 and the filter net 5, a movable rod 71 is hinged to the bottom end of the housing 1 outside of the vertical rod 3, the filter net 5, a hole is connected with an oil outlet pipe 13 fixedly connected with the top end of the slag collecting groove 2, a movable ring 6 fixedly connected with a movable rod 71 at the middle of the movable ring 6, and a movable rod 7, and a movable rod 71 outside of the movable plate 7, and a movable rod 71.
Further, pole setting 3 is the hexagonal cylinder for the section shape, and the cross slot has been seted up on the top of pole setting 3, can pass through the cross slot of pole setting 3 and stopper 31 one end coincidence joint completely to reach the purpose of fixed pole setting 3, effectually prevented that removal about stopper 31 from causing unable effective filterable consequence.
Further, filter screen 5 is the fan-shaped stainless steel filter screen that the section radian is 60 degrees, and the quantity is four, the quantity of pole setting 3 is four, the quantity of rubber membrane 4 is eight, and be equipped with a limiting plate 41 in every rubber membrane 4, the both sides of pole setting 3 respectively are equipped with a limiting plate 41, and two limiting plates 41 are the electromagnetic plate that has opposite magnetic pole when the circular telegram, the both sides of filter screen 5 respectively are equipped with a limiting plate 41, and two limiting plates 41 are the electromagnetic plate that has the same magnetic pole when the circular telegram, thereby can 3 both sides limiting plate 41 opposite poles of pole setting 41 attract mutually effectual promotion filter screen 5 inwards to gather together when limiting plate 41 circular telegram, reach and reduce the oil capacity volume, improve its mobility, filterable effect accelerates.
Furthermore, the movable rods 71 are arranged around one movable ring 7, the number of the movable rings 7 is four, the number of the movable rings 7 is three, and the positions of the movable rods 71 correspond to the filter screen 5, so that the movable rods 71 can be beneficial to pushing the filter screen 5 to move outwards when rotating up and down, enlarging the volume, removing dirt on the surface of the filter screen 5, and improving the filtering efficiency.
Further, the section of the movable plate 72 is in the shape of a sector with a radian, and the bottom end of the movable plate 72 is uneven, so that dirt attached to the filter screen 5 can be effectively cleaned, the filter screen 5 is prevented from being blocked, and the filtering efficiency is improved.
The using method of the invention has the following working principle:
petroleum enters the shell 1 through the oil inlet pipe 11, the petroleum is firstly positioned in an inner ring formed by the upright stanchion 3, the rubber membrane 4 and the filter screen 5, impurities in the petroleum are filtered by the filter screen 5, and then the petroleum flows out of the shell 1 through the oil outlet pipe 13, in the process, the limiting plates 41 on the rubber membrane 4 are electrified, the limiting plates 41 at the two ends of the upright stanchion 3 are opposite in magnetism, the limiting plates 41 at the two ends of the filter screen 5 are same in magnetism, according to the principle that like poles repel each other and opposite poles attract each other, the limiting plates 41 at the two ends of the upright stanchion 3 are gathered to the upright stanchion 3, so as to drive the filter screen 5 at the two sides to shrink and move towards the middle part, thereby reducing the original volumes of the upright stanchion 3, the rubber membrane 4 and the filter screen 5, the petroleum in the filter screen 5 is extruded by the filter screen 5 to continuously seep towards the outer side, the fluidity of the petroleum is improved, the filtering duration is shortened, and the filtering efficiency is improved, when the limiting plate 41 is electrified for 15 seconds, the limiting plate 41 is powered off and the movable plates 72 are electrified, at this time, the limiting plate 41 does not have magnetism any more, and meanwhile, the four movable plates 72 repel each other after having the same magnetism, so that the movable plates 72 drive the movable rods 71 to rotate upwards, and contact and push the filter screen 5 to expand outwards in the process of moving the movable rods 71 upwards, so that the volume of a space formed by the upright rods 3, the rubber membrane 4 and the filter screen 5 is enlarged, preparation is provided for next electrifying, shrinking and gathering of the limiting plate 41, when the movable plates 72 are electrified for 15 seconds, the movable plates 72 are powered off and the limiting plates 41 are powered on, and the reciprocating is carried out, so that the filtering efficiency of petroleum is promoted, meanwhile, the movable plates 72 continuously rotate to contact and rub the inner surface of the filter screen 5 in the processes of powering on and powering off, dirt attached to the filter screen 5 is fully and effectively removed, and the filter holes of the filter screen 5 are prevented from being blocked, further improving the filtering efficiency.
When the oil is completely filtered and the filter screen needs to be cleaned, the slag collecting groove 2 needs to be firstly spirally detached, collected impurities in the slag collecting groove are cleaned, then the oil inlet pipe 11 needs to be lifted upwards, the pressure clamping of the support 12 and the limiting block 31 on the vertical rod 3 is removed, then the vertical rod 3, the rubber membrane 4 and the filter screen 5 are inwardly shrunk and gathered together, then the vertical rod 3, the rubber membrane 4 and the filter screen 5 are taken out from the top end hole of the shell 1, and after the vertical rod 3, the rubber membrane 4 and the filter screen 5 are cleaned, the oil inlet pipe 11 and the slag collecting groove 2 are put in again and installed.
It should be noted that, in this document, relational terms such as first and second, and the like are 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.
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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. A filter equipment is used in oil development transportation, includes casing (1), its characterized in that: the utility model discloses a sewage treatment device, including casing (1), stand (3), rubber membrane (4), oil inlet pipe (11), protruding type round hole, spring, support (12), circular groove, limit block (31) and filter screen (5), the top middle part of casing (1) is seted up porosely, and the clearance hole activity cup joints oil inlet pipe (11), the side of oil inlet pipe (11) is encircleed and is provided with four support (12), with the top of casing (1) that support (12) position corresponds has seted up protruding type round hole, and the middle part of protruding type round hole cup joints through spring and support (12) activity, the bottom middle part of casing (1) is seted up porosely, and the clearance hole cup joints with collection sediment groove (2) screw thread, with casing (1) bottom of protruding type round hole position corresponds, and the circular groove tank bottom is through spring and limit block (31) activity cup joints, is located stopper (31) one end of bottom about casing (1) has the joint pole setting (3), the both sides fixedly connected with rubber membrane (4) of pole setting (3), the one end and filter screen (5) fixed connection, the one end and the fixed connection of rubber membrane (4), the inside of rubber membrane (4) is connected with limiting plate (41), and is articulated with pole setting (3) and filter screen (5) respectively, is located the pole setting (3), the fixed outside of rubber membrane (4), rubber membrane (5) outside fixed connection of the fixed outside of the fixed with the filtration net (6), the filtration shell (6), the filtration net (6), the filtration wall (6) outside of the fixed filtration net (6), the filtration wall (6) outside of the filtration net (6) is seted up stand (6), the filtration wall (6), the outside of activity ring (7) articulates there is movable rod (71), the bottom and fly leaf (72) fixed connection of movable rod (71), the section shape of fly leaf (72) is for having the fan-shaped of radian, and the unsmooth bottom of fly leaf (72), fly leaf (72) have N type magnetic electromagnetic plate when circular telegram, pole setting (3) are hexagonal cylinder for section shape, the cross slot has been seted up on the top of pole setting (3), filter screen (5) are the fan-shaped stainless steel filter screen of section radian 60 degrees, and quantity is four, the quantity of pole setting (3) is four, the quantity of rubber membrane (4) is eight, and is equipped with one limiting plate (41) in every rubber membrane (4), the both sides of pole setting (3) respectively are equipped with one limiting plate (41), and have the electromagnetic plate of opposite magnetic pole when two limiting plates (41) are circular telegram, the both sides of filter screen (5) respectively are equipped with one limiting plate (41), and have the electromagnetic plate of the same magnetic pole when two limiting plates (41) are circular telegram.
2. The filtering device for petroleum extraction transportation according to claim 1, wherein: the movable rod (71) is arranged around a movable ring (7) in a surrounding mode, the number of the movable rods is four, the number of the movable rings (7) is three, and the position of each movable rod (71) corresponds to the filter screen (5).
CN202110434024.8A 2021-04-22 2021-04-22 Filter equipment is used in oil development transportation Active CN113332767B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110434024.8A CN113332767B (en) 2021-04-22 2021-04-22 Filter equipment is used in oil development transportation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110434024.8A CN113332767B (en) 2021-04-22 2021-04-22 Filter equipment is used in oil development transportation

Publications (2)

Publication Number Publication Date
CN113332767A CN113332767A (en) 2021-09-03
CN113332767B true CN113332767B (en) 2022-12-13

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Application Number Title Priority Date Filing Date
CN202110434024.8A Active CN113332767B (en) 2021-04-22 2021-04-22 Filter equipment is used in oil development transportation

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6632354B2 (en) * 2001-06-22 2003-10-14 Joseph C. Caiozza Combined oil filter and magnet apparatus
JP2005046676A (en) * 2003-07-30 2005-02-24 Toray Ind Inc Granular filter medium and filtering method
US8057669B2 (en) * 2005-02-22 2011-11-15 Baldwin Filters, Inc. Filter element and filter assembly including locking mechanism
CN105056597B (en) * 2015-09-15 2017-03-22 陈天一 Device with petroleum impurity removing function
WO2019046274A1 (en) * 2017-08-30 2019-03-07 Cummins Filtration Ip, Inc. Interlock for genuine filter recognition
CN209892290U (en) * 2019-05-24 2020-01-03 徐州机电技师学院 Oil filter for automobile engine
CN211987558U (en) * 2020-04-23 2020-11-24 陈秀红 Flue gas filtering device for atmosphere control
CN212614654U (en) * 2020-06-20 2021-02-26 东营煜煌能源技术有限公司 Oil separate production device
CN112010466A (en) * 2020-09-18 2020-12-01 淄博华源矿业有限公司 Water supply filtering device for mining equipment
CN112620425A (en) * 2020-12-04 2021-04-09 王铁柱 Hydraulic rail bender for rail transit

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Effective date of registration: 20221122

Address after: No. 066 Hangkong Road, High tech Economic Zone, Jianhu County, Yancheng City, Jiangsu Province 224700

Applicant after: Yancheng Rongtai Petroleum Machinery Co.,Ltd.

Address before: 510000 room 404, No. 10, Huanghua Road, Yuexiu District, Guangzhou City, Guangdong Province

Applicant before: Feng Zhijing

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