CN108034452A - A kind of anticlogging oil filtration apparatus - Google Patents
A kind of anticlogging oil filtration apparatus Download PDFInfo
- Publication number
- CN108034452A CN108034452A CN201711319069.0A CN201711319069A CN108034452A CN 108034452 A CN108034452 A CN 108034452A CN 201711319069 A CN201711319069 A CN 201711319069A CN 108034452 A CN108034452 A CN 108034452A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- oil
- housing
- anticlogging
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/08—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one sorption step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to oil gathering-transferring technology field, and the left side upper end for disclosing the housing is fixedly connected with the oil inlet pipe being connected, lower section at left and right sides of the inner wall of the housing positioned at oil inlet pipe offers rotation slot, the inner wall of two rotation slots has been fixedly connected with rotating bar, the surface of two rotating bars is socketed with following current plate, the inner wall of the housing, which is located at below following current plate, is fixedly connected with filter plate, sliding groove is offered at the top of the filter plate, the inner wall of the sliding groove slidably connects settling tank, the surface of the settling tank offers oil outlet, filter hole is offered at the top of the filter plate, the filter hole is connected with sliding groove.The anticlogging oil filtration apparatus, it is simple in structure, not only can to when have and carry out multistage filtration treatment, ensure that the effect of filtering is more preferable, the residue after filtering can more be cleared up, prevent oil filtering from blocking, the efficiency and degree of purity for making oil filtering become higher.
Description
Technical field
The present invention relates to oil gathering-transferring technology field, is specially a kind of anticlogging oil filtration apparatus.
Background technology
One of oil, the main object of geological prospecting, is a kind of sticky, dark brown liquid, is referred to as " industrial blood
There are a petroleum storage in liquid ", upper crustal some areas, and main component is the mixture of various alkane, cycloalkane, aromatic hydrocarbon, oil
There is biogenic deposit to become oil and the oily two kinds of theories of petrochemical industry into oil machine reason, the former more widely receives, it is believed that oil be ancient times ocean or
Biology in lake is formed by very long evolution, is belonged to biogenic deposit and is become oil, non-renewable;The latter thinks that oil is by the earth's crust
The interior carbon generation of itself, unrelated with biology, renewable, oil is mainly used as fuel oil and gasoline, and many chemical works
Industry product, such as solution, chemical fertilizer, the raw material of insecticide and plastics.
A kind of defeated filtration apparatus of nonpetroleum collection proposed according to invention CN105195314B, the invention can be to oil gathering
Oil is effectively filtered during defeated, good filtration effect and quick, prevent that its from blocking pipeline, but the filtering of the invention
Level is inadequate, and the inconvenient impurity to oil precipitation is cleared up, and very influences the efficiency of filtering.
The content of the invention
(1) technical problem solved
In view of the deficiencies of the prior art, the present invention provides a kind of anticlogging oil filtration apparatus, possesses filtering
The advantages that effect is more preferable and more easily clears up impurity screening, solves the problems, such as filter effect generally and cleaning is inconvenient.
(2) technical solution
To realize that the effect of above-mentioned filtering is more preferable and more easily clears up impurity screening purpose, the present invention provides following skill
Art scheme:A kind of anticlogging oil filtration apparatus, including housing, the left side upper end of the housing, which is fixedly connected with, to be connected
Oil inlet pipe, offer rotation slot positioned at the lower section of oil inlet pipe at left and right sides of the inner wall of the housing, two rotation slots it is interior
Wall has been fixedly connected with rotating bar, and the surface of two rotating bars is socketed with following current plate, and the inner wall of the housing is located at following current plate
Lower section be fixedly connected with filter plate, sliding groove is offered at the top of the filter plate, the inner wall of the sliding groove is slidably connected
There is settling tank, the surface of the settling tank offers oil outlet, filter hole, the filter hole are offered at the top of the filter plate
It is connected with sliding groove, the filter hole is corresponding with oil outlet, and the right side of the babinet corresponds to be fixedly connected with settling tank
Installing plate, driving motor is provided with the top of the installing plate, the output shaft of the driving motor is fixedly connected with shaft, described
The one end of shaft away from driving motor sequentially passes through housing and settling tank and extends to the inside of settling tank, and the shaft is located at shell
The surface in internal portion is socketed with the sealing necklace being fixedly connected with inner walls, and the one end of the shaft away from driving motor is fixed
Contiguous block is connected with, the surface of the contiguous block is fixedly connected with stirring fan, and the housing passes on left hinge flexible connection
There is dodge gate.
Bearing has been fixedly connected with left and right sides of the inner wall of the housing, has been fixedly connected with roller between two bearings, institute
The surface for stating roller is socketed with annular magnet, and the surface of the annular magnet offers adsorption tank, and the right flank of the housing is consolidated
Surely be connected with communicating pipe, be fixedly connected with booster pump at the top of the communicating pipe, the communicating pipe one end away from housing fix
The separating box being connected is connected with, outlet pipe is fixedly connected with the right side of the separating box, the inner wall of the outlet pipe, which is fixed, to be connected
Filter screen is connected to, suction pump is fixedly connected with the top of the outlet pipe, the one end of the outlet pipe away from separating box, which is fixed, to be connected
Collecting box is connected to, the right side of the separating box, which is located above outlet pipe, is fixedly connected with flowline.
Preferably, the front of the oil inlet pipe is installed with solenoid valve, and the solenoid valve is corrosion resistant type.
Preferably, the side of the following current plate away from inner walls is contacted with settling tank, and the following current plate is to be obliquely installed,
Between its angle of inclination is 30 degree to 60 degree.
Preferably, the quantity of the filter hole is three, and three filter hole are spaced substantially equidistant successively from left to right, described
The diameter of filter hole is more than the diameter of oil outlet.
Preferably, the length of the settling tank is less than the length of filter plate, and the width of the settling tank is less than filter plate
Width.
Preferably, the left surface of the settling tank is fixedly connected with draw ring, and the surface smear of the draw ring has release coating.
Preferably, the length of the annular magnet is less than the length of roller, and the length of the adsorption tank is less than annular magnet
Length.
Preferably, the bottom of the housing, separating box and collecting box is in same level.
Preferably, the quantity of the filter screen is two, and two filter screens array from left to right.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of anticlogging oil filtration apparatus, possess following beneficial to effect
Fruit:
1st, the anticlogging oil filtration apparatus, it is simple in structure, it is easy to use, not only can to when have the progress multistage
Filtration treatment, ensure filtering effect it is more preferable, the residue after filtering can more be cleared up, prevent oil filtering hair
Raw to block, the efficiency and degree of purity for making oil filtering become higher.
2nd, the anticlogging oil filtration apparatus, passes through housing, oil inlet pipe, solenoid valve, rotation slot, rotating bar and following current
Plate with the use of can make oil enter it is more convenient and accurate, pass through filter plate, sliding groove, settling tank, oil outlet, filtering
The cooperation in hole, draw ring, hinge and dodge gate can make the silt in oil carry out filtering precipitation, conveniently cleared up, pass through peace
The cooperation that loading board, driving motor, shaft, sealing necklace, contiguous block and stirring are fanned can make the speed of filtering faster, the effect of filtering
Fruit is more preferable, prevents from resulting in blockage, by bearing, roller, annular magnet and adsorption tank coordinate can by the iron filings in oil with
And metal sundries carry out absorption cleaning, pass through communicating pipe, booster pump, separating box, outlet pipe, filter screen, suction pump and collecting box
Cooperation can be separated oil and water, the purity of filtering is more preferable.
Brief description of the drawings
Fig. 1 filters apparatus structure schematic diagram for a kind of anticlogging oil proposed by the present invention;
Fig. 2 is schematic enlarged-scale view at A in a kind of anticlogging oil filtering installation drawing 1 proposed by the present invention;
Fig. 3 is schematic enlarged-scale view at B in a kind of anticlogging oil filtering installation drawing 1 proposed by the present invention;
Fig. 4 is a kind of anticlogging oil filtration apparatus agitation fan structure schematic diagram proposed by the present invention.
In figure:1 housing, 2 oil inlet pipes, 3 solenoid valves, 4 rotation slots, 5 rotating bars, 6 following current plates, 7 filter plates, 8 sliding grooves, 9
Settling tank, 10 oil outlets, 11 filter hole, 12 draw rings, 13 installing plates, 14 driving motors, 15 shafts, 16 sealing necklaces, 17 connections
Block, 18 stirring fans, 19 hinges, 20 dodge gates, 21 bearings, 22 rollers, 23 annular magnets, 24 adsorption tanks, 25 communicating pipes, 26 superchargings
Pump, 27 separating boxes, 28 outlet pipes, 29 filter screens, 30 suction pumps, 31 collecting boxs, 32 flowlines.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 4 are please referred to Fig.1, a kind of anticlogging oil filtration apparatus, including housing 1, the left side upper end of housing 1 are fixed
The oil inlet pipe 2 being connected is connected with, the front of oil inlet pipe 2 is installed with solenoid valve 3, and solenoid valve 3 is corrosion resistant type, can be controlled
The speed of oil inlet processed, makes air inlet more stablize, is electromagnetically controlled industrial equipment, is the automation base for controlling fluid
Plinth element, belongs to actuator, however it is not limited to hydraulic pressure, pneumatic, the direction of adjustment medium, flow, speed in industrial control system
Degree and other parameters, the inner wall left and right sides of housing 1 offer rotation slot 4, two rotation slots positioned at the lower section of oil inlet pipe 2
4 inner wall has been fixedly connected with rotating bar 5, and the surface of two rotating bars 5 is socketed with following current plate 6, and the inner wall of housing 1 is positioned at suitable
The lower section of flowing plate 6 is fixedly connected with filter plate 7, and the top of filter plate 7 offers sliding groove 8, and the inner wall of sliding groove 8 is slidably connected
There is settling tank 9, side of the following current plate 6 away from 1 inner wall of housing is contacted with settling tank 9, and the length of settling tank 9 is less than filter plate 7
Length, the width of settling tank 9 are less than the width of filter plate 7, can make the filtering enhanced convenience of oil, prevent oil from accumulating
Result in blockage, following current plate 6 between its angle of inclination is 30 degree to 60 degree, can preferably make stone to be obliquely installed more
Oil is entered in settling tank 9, ensures that the effect of precipitation is more preferable, precipitation is more stablized, and the surface of settling tank 9 offers oil outlet
10, the top of filter plate 7 offers filter hole 11, and the quantity of filter hole 11 is three, and three filter hole 11 from left to right according to
Secondary to be spaced substantially equidistant, the diameter of filter hole 11 is more than the diameter of oil outlet 10, ensures that the effect of filtering is more preferable, filter hole 11 is with sliding
Dynamic groove 8 is connected, and the left surface of settling tank 9 is fixedly connected with draw ring 12, and the surface smear of draw ring 12 has release coating, can make
The movement of settling tank 9 becomes enhanced convenience, and coating is that oil is remained on draw ring 12 in order to prevent, makes pulling not convenient enough,
Filter hole 11 is corresponding with oil outlet 10, and the right side of babinet 1 corresponds to and installing plate 13 is fixedly connected with settling tank 9, installing plate 13
Top driving motor 14 is installed, the output shaft of driving motor 14 is fixedly connected with shaft 15, and shaft 15 is away from driving motor
14 one end sequentially passes through housing 1 and settling tank 9 and the inside for extending to settling tank 9, and shaft 15 is located at the surface inside housing 1
The sealing necklace 16 being fixedly connected with 1 inner wall of housing is socketed with, the one end of shaft 15 away from driving motor 14 is fixedly connected with company
Block 17 is connect, the surface of contiguous block 17 is fixedly connected with stirring fan 18, and the hinge 19 that passes on left of housing 1 is connected with dodge gate
20。
Bearing 21 has been fixedly connected with left and right sides of the inner wall of housing 1, roller 22 is fixedly connected between two bearings 21,
The surface of roller 22 is socketed with annular magnet 23, and the length of annular magnet 23 is less than the length of roller 22, the length of adsorption tank 24
Less than the length of annular magnet 23, the iron filings in oil and metal sundries can be subjected to absorption cleaning, annular magnet 23
Surface offers adsorption tank 24, and the right flank of housing 1 is fixedly connected with communicating pipe 25, and the top of communicating pipe 25 is fixedly connected with increasing
Press pump 26, communicating pipe 25 one end away from housing 1 be fixedly connected with the separating box 27 being connected, the right side of separating box 27, which is fixed, to be connected
Outlet pipe 28 is connected to, the inner wall of outlet pipe 28 is fixedly connected with filter screen 29, and the quantity of filter screen 29 is two, and two filterings
Net 29 arrays from left to right, and 29 density of filter screen here can pass water through, and oil cannot be by preventing from causing to mix
Stream, the top of outlet pipe 28 are fixedly connected with suction pump 30, and the one end of outlet pipe 28 away from separating box 27 is fixedly connected with collection
Case 31, the bottom of housing 1, separating box 27 and collecting box 31 are in same level, and the right side of separating box 27 is located at outlet pipe 28
Top be fixedly connected with flowline 32.
It is easy to use in conclusion the anticlogging oil filtration apparatus, simple in structure, not only can to when have
Multistage filtration treatment is carried out, ensures that the effect of filtering is more preferable, the residue after filtering can more be cleared up, prevent stone
Oil filtering blocks, and the efficiency and degree of purity for making oil filtering become higher, and the anticlogging oil filtration apparatus, leads to
Crossing being used cooperatively for housing 1, oil inlet pipe 2, solenoid valve 3, rotation slot 4, rotating bar 5 and following current plate 6 can be such that oil enters more
It is convenient and accurate, pass through filter plate 7, sliding groove 8, settling tank 9, oil outlet 10, filter hole 11, draw ring 12, hinge 19 and activity
The cooperation of door 20 can make the silt in oil carry out filtering precipitation, conveniently be cleared up, and pass through installing plate 13, driving motor
14th, the cooperation of shaft 15, sealing necklace 16, contiguous block 17 and stirring fan 18 can make the speed of filtering faster, the effect of filtering
More preferably, prevent from resulting in blockage, can be by oil by the cooperation of bearing 21, roller 22, annular magnet 23 and adsorption tank 24
Iron filings and metal sundries carry out absorption cleaning, pass through communicating pipe 25, booster pump 26, separating box 27, outlet pipe 28, filter screen
29th, the cooperation of suction pump 30 and collecting box 31 can be separated oil and water, and the purity of filtering is more preferable.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of anticlogging oil filtration apparatus, including housing (1), it is characterised in that:The left side upper end of the housing (1)
The oil inlet pipe (2) being connected is fixedly connected with, is opened positioned at the lower section of oil inlet pipe (2) at left and right sides of the inner wall of the housing (1)
Equipped with rotation slot (4), the inner wall of two rotation slots (4) has been fixedly connected with rotating bar (5), and the surface of two rotating bars (5) is equal
Following current plate (6) is socketed with, the inner wall of the housing (1), which is located at below following current plate (6), is fixedly connected with filter plate (7), described
Sliding groove (8) is offered at the top of filter plate (7), the inner wall of the sliding groove (8) slidably connects settling tank (9), described heavy
The surface of shallow lake case (9) offers oil outlet (10), and filter hole (11), the filter hole are offered at the top of the filter plate (7)
(11) it is connected with sliding groove (8), the filter hole (11) is corresponding with oil outlet (10), and the right side of the babinet (1) corresponds to
Settling tank (9) place is fixedly connected with installing plate (13), and driving motor (14), the drive are provided with the top of the installing plate (13)
The output shaft of dynamic motor (14) is fixedly connected with shaft (15), and the one end of the shaft (15) away from driving motor (14) is passed through successively
Wear housing (1) and settling tank (9) and extend to the inside of settling tank (9), the shaft (15) is located at the internal surface of housing (1)
It is socketed with the sealing necklace (16) being fixedly connected with housing (1) inner wall, the one end of the shaft (15) away from driving motor (14)
Contiguous block (17) is fixedly connected with, the surface of the contiguous block (17) is fixedly connected with stirring fan (18), a left side for the housing (1)
Side is connected with dodge gate (20) by hinge (19);
Bearing (21) has been fixedly connected with left and right sides of the inner wall of the housing (1), has been fixedly connected between two bearings (21)
Roller (22), the surface of the roller (22) are socketed with annular magnet (23), and the surface of the annular magnet (23) offers suction
Attached groove (24), the right flank of the housing (1) are fixedly connected with communicating pipe (25), are fixedly connected at the top of the communicating pipe (25)
There is booster pump (26), the one end of the communicating pipe (25) away from housing (1) is fixedly connected with the separating box (27) being connected, described
Outlet pipe (28) is fixedly connected with the right side of separating box (27), the inner wall of the outlet pipe (28) is fixedly connected with filter screen
(29), suction pump (30) is fixedly connected with the top of the outlet pipe (28), the remote separating box (27) of the outlet pipe (28)
One end is fixedly connected with collecting box (31), and the right side of the separating box (27), which is located above outlet pipe (28), to be fixedly connected with out
Oil pipe (32).
A kind of 2. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The oil inlet pipe (2)
Front be installed with solenoid valve (3), the solenoid valve (3) is corrosion resistant type.
A kind of 3. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The following current plate (6)
Side away from housing (1) inner wall is contacted with settling tank (9), and for the following current plate (6) to be obliquely installed, its angle of inclination is 30
Spend between 60 degree.
A kind of 4. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The filter hole (11)
Quantity be three, and three filter hole (11) are spaced substantially equidistant successively from left to right, and the diameter of the filter hole (11) is more than
The diameter of oil outlet (10).
A kind of 5. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The settling tank (9)
Length be less than the length of filter plate (7), the width of the settling tank (9) is less than the width of filter plate (7).
A kind of 6. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The settling tank (9)
Left surface be fixedly connected with draw ring (12), the surface smear of the draw ring (12) has release coating.
A kind of 7. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The annular magnet
(23) length is less than the length of roller (22), and the length of the adsorption tank (24) is less than the length of annular magnet (23).
A kind of 8. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The housing (1), divide
The bottom of liquid case (27) and collecting box (31) is in same level.
A kind of 9. anticlogging oil filtration apparatus according to claim 1, it is characterised in that:The filter screen (29)
Quantity be two, and two filter screens (29) array from left to right.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711319069.0A CN108034452A (en) | 2017-12-12 | 2017-12-12 | A kind of anticlogging oil filtration apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711319069.0A CN108034452A (en) | 2017-12-12 | 2017-12-12 | A kind of anticlogging oil filtration apparatus |
Publications (1)
Publication Number | Publication Date |
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CN108034452A true CN108034452A (en) | 2018-05-15 |
Family
ID=62102514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711319069.0A Pending CN108034452A (en) | 2017-12-12 | 2017-12-12 | A kind of anticlogging oil filtration apparatus |
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CN (1) | CN108034452A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109321271A (en) * | 2018-10-31 | 2019-02-12 | 广州鹏兴科技有限公司 | A kind of contaminant filter and filtering road anti-clogging convenient for cleaning oil refining apparatus |
CN112174380A (en) * | 2020-10-14 | 2021-01-05 | 俞桂连 | Sewage treatment device with replaceable filter screen |
CN113577896A (en) * | 2021-07-13 | 2021-11-02 | 南京公诚石油技术有限公司 | Impurity removal equipment based on improvement of petroleum cleanliness and impurity removal method thereof |
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CN105003244A (en) * | 2015-07-11 | 2015-10-28 | 徐正伟 | Petroleum filtering purifier |
CN205874313U (en) * | 2016-05-23 | 2017-01-11 | 山西省交通科学研究院 | Petroleum filtering device |
CN206587906U (en) * | 2017-01-27 | 2017-10-27 | 李耀全 | A kind of highly effective petroleum filter |
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2017
- 2017-12-12 CN CN201711319069.0A patent/CN108034452A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105003244A (en) * | 2015-07-11 | 2015-10-28 | 徐正伟 | Petroleum filtering purifier |
CN205874313U (en) * | 2016-05-23 | 2017-01-11 | 山西省交通科学研究院 | Petroleum filtering device |
CN206587906U (en) * | 2017-01-27 | 2017-10-27 | 李耀全 | A kind of highly effective petroleum filter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109321271A (en) * | 2018-10-31 | 2019-02-12 | 广州鹏兴科技有限公司 | A kind of contaminant filter and filtering road anti-clogging convenient for cleaning oil refining apparatus |
CN112174380A (en) * | 2020-10-14 | 2021-01-05 | 俞桂连 | Sewage treatment device with replaceable filter screen |
CN113577896A (en) * | 2021-07-13 | 2021-11-02 | 南京公诚石油技术有限公司 | Impurity removal equipment based on improvement of petroleum cleanliness and impurity removal method thereof |
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Application publication date: 20180515 |
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