CN111558459A - Marine oil string filter, marine oil string filter group and pipeline cleaning method - Google Patents
Marine oil string filter, marine oil string filter group and pipeline cleaning method Download PDFInfo
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- CN111558459A CN111558459A CN202010441723.0A CN202010441723A CN111558459A CN 111558459 A CN111558459 A CN 111558459A CN 202010441723 A CN202010441723 A CN 202010441723A CN 111558459 A CN111558459 A CN 111558459A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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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Abstract
The invention belongs to the technical field of ship pipeline cleaning. A marine oil filter comprises an outer cylinder body (1), a filter upper cover (7) and a filter bottom plate (8), wherein an inlet pipe (2) and an outlet pipe (3) are arranged on the outer cylinder body (1), and a filter element is arranged in the outer cylinder body (1); the novel filter is characterized in that the filter element is lower than the inlet pipe (2) and comprises an outer filter element and an inner filter element, the outer filter element comprises a filter element flange (10), a filter element net body (9) and a filter element bottom plate (11), and the inner filter element comprises a main support rod (14), a support rod connecting rod (13) and an inner support net sheet (15); a magnet (25) is arranged in the filter element. The invention also discloses a method for cleaning a pipeline by using the marine oil filter. The invention also discloses a marine oil string filter group. The invention has simple structure and low production cost, and can effectively remove impurities in the ship pipeline.
Description
Technical Field
The invention belongs to the technical field of ship pipeline cleaning, and particularly relates to a marine oil mixing filter.
Background
In the process of ship manufacturing, various impurities such as hard particles, welding slag, rust and the like are inevitably generated in the installation and debugging of the main machine and the pipe manufacturing process, and can damage an oil nozzle, a bearing, a roller, a cylinder wall and the like of the main machine, so that various effective measures are necessary for ensuring the cleanness in the main machine and the pipe. After the ship is installed on the pipe and before the pipeline is put into operation, an oil mixing process is needed to remove various impurities in the pipeline from the pipe system so as to ensure the cleanness of the pipeline.
Disclosure of Invention
The first purpose of the invention is to provide a marine oil string filter, which is skillfully designed and can effectively remove various impurities from a pipeline system.
The first purpose of the invention is realized by the following technical scheme that the marine oil filter comprises an outer cylinder, a filter upper cover and a filter bottom plate, wherein an inlet pipe and an outlet pipe are arranged on the outer cylinder, and a filter element is arranged in the outer cylinder; the filter is characterized in that the filter element is lower than the inlet pipe and comprises an outer filter element and an inner filter element, the outer filter element comprises a filter element flange, a filter element net body and a filter element bottom plate, the filter element flange is arranged at the upper part of the filter element net body, and the filter element bottom plate is arranged at the lower part of the filter element net body; the inner wall of the outer cylinder body is provided with a filter element seat, and a filter element flange is arranged on the filter element seat and is tightly pressed by a filter element pressing strip; the bottom plate of the filter element is lower than the outlet pipe;
the inner filter element comprises a main support rod, a support rod connecting rod and an inner support net sheet; the main support rod is arranged on the filter element bottom plate and is arranged along the axial direction of the filter element, a plurality of support rod connecting rod groups are arranged on the main support rod from top to bottom, each support rod connecting rod group comprises a plurality of radially arranged support rod connecting rods, the tail ends of the support rod connecting rods are provided with inner support net sheets, and the inner support net sheets are enclosed into a tubular structure;
and a magnet is arranged in the filter element.
Preferably, be equipped with the magnet bracing piece on the filter core bottom plate, set up the gland down on the bracing piece, set up the elastic component mount pad on the outer barrel inner wall, set up the elastic component on the elastic component mount pad, the elastic component end sets up the gland, under the effect of elastic component, compresses tightly magnet between upper and lower gland.
Preferably, the main stay bar is provided with a plurality of first hinge seats from top to bottom, one end of a stay bar connecting rod is a connecting part, the other end of the stay bar connecting rod is provided with a second hinge seat, a plurality of third hinge seats are arranged on the inner wall of the inner stay mesh sheet from top to bottom, the first hinge seats, the second hinge seats and the third hinge seats are all of U-shaped structures, the first hinge seats are connected with the connecting parts of the corresponding support connecting rods through bolts, and the second hinge seats are arranged in a crossed mode with the corresponding third hinge seats and are connected through bolts;
the outer diameter sizes of the two end parts of the main supporting rod are larger than the outer diameter size of the middle part of the main supporting rod, and the filter element pressing strip is provided with a pressing bolt which presses the main supporting rod on the filter element bottom plate.
Preferably, the outer cylinder is provided with a filter cover opening mechanism which comprises a lifting screw rod, a lifting nut, a cover opening connecting rod and a rocker; the outer cylinder body is provided with a rocker seat, and the rocker seat is arranged along the axial direction of the outer cylinder body; the rocker is rotatably arranged in the rocker seat; the rocker is provided with a cover opening connecting rod which is perpendicular to the rocker;
the tail end of the cover opening connecting rod is provided with a lifting nut, the lifting nut is in threaded connection with a lifting screw rod, the lower end of the lifting screw rod is connected with the upper cover of the filter, the lifting screw rod is rotatable relative to the upper cover of the filter, and a lifting screw rod rotating device is arranged on the lifting screw rod.
Preferably, the filter cap opening mechanism further comprises a cap opening rod, the cap opening rod is rotatably arranged in the rocker, the tail end of the cap opening rod extends to the upper part of the filter upper cover, and a hook is arranged at the tail end of the cap opening rod.
Preferably, limiting clamping pieces are arranged on the filter rocking rods at two ends of the rocking rod seat, the outer diameters of the limiting clamping pieces are larger than the inner diameter of the rocking rod seat, the filter rocking rods are arranged in the rocking rod seat and limited through the two limiting clamping pieces, and the filter rocking rods can rotate relative to the rocking rod seat (21);
the tail end of the filter rocker is provided with a sealing plate for limiting the position of the rocker in the cover opening rod.
Preferably, the end part of the lifting screw rod matched with the lifting screw rod seat is sequentially provided with a groove part and a protruding part from top to bottom, the outer diameter of the groove part is smaller than the outer diameter of the middle part of the lifting screw rod, the outer diameter of the protruding part is larger than the outer diameter of the middle part of the lifting screw rod, and the outer end surface of the protruding part is hemispherical;
the lifting screw rod seat comprises a side wall plate and a top plate, a lifting screw rod mounting hole is processed on the top plate, the outer diameter of the lifting screw rod mounting hole is slightly larger than the diameter of the groove part, and the outer diameter of the lifting screw rod mounting hole is smaller than the outer diameter of the protruding part;
the lifting screw rod is arranged in the lifting screw rod seat and is limited through the matching of the groove part and the lifting screw rod mounting hole.
Preferably, a first sealing ring is arranged on the contact surface of the filter element seat and the filter element flange; a second sealing ring is arranged on the contact surface of the filter element seat, the filter element flange and the filter element net body;
the filter upper cover is connected with the outer cylinder upper flange through a flange, and a third sealing ring is arranged on the contact surface of the filter upper cover and the outer cylinder upper flange;
the upper end surface of the upper flange of the outer cylinder body is of a step structure, the thickness of the inner side of the upper flange of the outer cylinder body is larger than that of the outer side of the upper flange of the outer cylinder body, and a sealing ring groove is processed on the inner side of the upper flange of the outer cylinder body; the lower end surface of the upper filter cover is of a step structure, and the thickness of the middle part of the upper filter cover is larger than that of the outer end part of the upper filter cover; a first pressure gauge and a first plug valve are arranged on the upper cover of the filter; a second pressure gauge, a second plug valve and a thermometer are arranged on the outlet pipe; the bottom plate of the filter is higher than the lower end of the outer cylinder, the bottom plate of the filter is provided with a discharge valve, and the outer cylinder corresponding to the discharge valve is provided with an axial groove.
The second purpose of the invention is to provide a method for cleaning pipelines by using a marine oil filter, which is characterized by comprising the following steps:
(1) after the ship is installed on the pipe and before the pipeline is put into operation, the pipeline, the ship oil filter and the oil pump are connected to form a loop;
(2) starting an oil pump to enable oil to flow in the pipeline, and enabling impurities in the pipeline to enter the flowing oil and flow together with the flowing oil;
(3) the oil liquid carried with impurities enters the oil filter for the ship through the inlet pipe, and the 90-degree steering is carried out;
(4) the oil after 90-degree steering firstly flows through a magnet in the marine oil filter, and the magnet adsorbs metal impurities in the oil;
(5) then, oil enters a tubular structure formed by enclosing of inner supporting net pieces, primary filtration is carried out, and primary interception of impurities is realized;
(6) the oil liquid after the first filtration flows outwards through the outer filter element net body of the outer filter element to carry out the second filtration, so that the second interception of impurities is realized;
(7) the oil liquid after the second filtration is discharged through an outlet pipe;
(8) after the pipeline is cleaned, cleaning the oil filter for the ship:
the filter upper cover is moved upwards by utilizing a lifting screw rod and a lifting nut of the filter cover opening mechanism, the filter upper cover is connected with a hook on a cover opening rod at the moment, a rocker and the cover opening rod are synchronously rotated, and the filter upper cover is moved to one side of the outer cylinder body;
and cleaning the magnet, the inner filter element and the outer filter element.
The third purpose of the invention is to provide a marine oil mixing filter group, which comprises a first marine oil mixing filter and a second marine oil mixing filter, wherein the first and second marine oil mixing filters adopt any one of the marine oil mixing filter structures, inlet pipes of the first and second marine oil mixing filters are communicated, inlet main pipes communicated with each other are arranged on the inlet pipes, and inlet pipes on two sides of the inlet main pipes are respectively provided with a first butterfly valve and a second butterfly valve; the outlet pipes of the first marine oil mixing filter and the second marine oil mixing filter are communicated, an outlet main pipe is arranged on the communicated outlet pipes, and a third butterfly valve and a fourth butterfly valve are respectively arranged on the outlet pipes on the two sides of the outlet main pipe.
Compared with the prior art, the invention has the following beneficial effects:
first, the present invention is mainly used in the oil-mixing process to effectively remove various impurities from the pipeline system. The invention comprises the following steps: a casing, a built-in filter core, this filter core is the basket formula, can in time effectually remove the impurity in the filter core, and inside sets up a superstrong magnet simultaneously for adsorb the tiny metal particle in the oil. The cylinder body is provided with an inlet flange and an outlet flange, so that the oil mixing system can be quickly connected or removed.
Secondly, the invention has simple structure and low production cost, the filter and the magnet are arranged in the filter box, impurities can be effectively removed, and the pressure gauge is arranged on the cover plate, so that the blocking condition of the filter can be detected in real time.
Thirdly, when the pipeline cleaning device is used for cleaning a pipeline, metal impurities are adsorbed by the magnet, the tubular inner filter screen formed by enclosing of the inner supporting net sheets is used for primary filtering, finally, the filter element net body is used for secondary filtering of the impurities, and the impurity interception efficiency is greatly improved through three times of interception.
Fourthly, the cover opening structure is additionally arranged on the outer barrel, when a pipeline is blocked or the filter element and the magnet are cleaned, the upper cover of the filter can move upwards only by rotating the lifting screw rod, and the cover opening device is moved to one side of the outer barrel by rotating the filter rocker and the cover opening rod, so that the inner part of the outer barrel is conveniently treated.
Fifthly, the fixing structure of the magnet can be tightly pressed on the filter element pressing strip through the lower pressing cover, and the magnet can be tightly pressed between the upper pressing cover and the lower pressing cover through the spring, so that the mounting and the dismounting of the spring are facilitated.
Sixthly, the two filters are arranged in parallel, the butterfly valves are respectively arranged on the parallel pipelines, when one filter needs to be overhauled, the corresponding inlet butterfly valve and outlet butterfly valve are closed, and the other filter works normally, so that the oil mixing process without stopping for 24 hours is realized.
Drawings
FIG. 1 is a schematic structural diagram of a marine oil strainers of the present invention;
FIG. 2 is a schematic structural diagram of the marine oil filter (with the cover-opening device removed) according to the present invention;
FIG. 3 is a top view of the oil filter for ship according to the present invention (removing the cover-opening device)
FIG. 4 is a cross-sectional view of the flange on the outer cylinder of the marine oil filter assembly of the present invention;
FIG. 5 is a cross-sectional view of the strainer upper cover of the marine oil filter of the present invention;
FIG. 6 is a top view of a strainer base plate of the marine oil slinger of the present invention;
FIG. 7 is a cross-sectional view of a cartridge seat of the marine oil filter of the present invention;
FIG. 8 is a schematic diagram of a filter element of the marine oil filter of the present invention;
FIG. 9 is a schematic view of a filter element bead of the marine oil filter of the present invention;
FIG. 10 is a schematic structural view of a first hinge base and a stay rod connecting rod of the marine oil filter assembly according to the present invention;
FIG. 11-1 is a front view of an inner support mesh of the marine oil strainers of the present invention;
FIG. 11-2 is a top view of an inner support mesh for the marine oil strainers of the present invention;
FIG. 12 is a schematic structural diagram of a cover opening device of the marine oil filter;
FIG. 13 is a schematic view of a second magnet mounting structure of the marine oil filter assembly of the present invention;
FIG. 14 is a front view of a marine oil slinger set of the marine oil slinger of the present invention;
fig. 15 is a plan view of a marine oil filter string of the marine oil filter string according to the present invention.
Detailed Description
The present invention will be further described with reference to the following drawings and examples, which are provided for illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-15, the oil filter for the ship comprises an outer cylinder 1, a filter upper cover 7 and a filter bottom plate 8, wherein an inlet pipe 2 and an outlet pipe 3 are arranged on the outer cylinder 1, and a filter element is arranged in the outer cylinder 1. The filter element is of a basket type, and impurities in the filter element can be timely and effectively removed.
The filter element is lower than the inlet pipe 2 and comprises an outer filter element and an inner filter element.
The outer filter element comprises a filter element flange 10, a filter element net body 9 and a filter element bottom plate 11, wherein the filter element flange 10 is arranged at the upper part of the filter element net body 9, and the filter element bottom plate 11 is arranged at the lower part of the filter element net body 9; the inner wall of the outer cylinder body 1 is provided with a filter element seat 5, and a filter element flange 10 is arranged on the filter element seat 5 and is tightened through a filter element pressing strip 6; the cartridge floor 11 is lower than the outlet tube 3.
The inner filter element comprises a main stay bar 14, a stay bar connecting rod 13 and an inner stay mesh 15; the main supporting rod 14 is arranged on the filter element bottom plate 11, the main supporting rod 14 is arranged along the axial direction of the filter element, the main supporting rod 14 is provided with a plurality of supporting rod connecting rod groups from top to bottom, each supporting rod connecting rod group comprises a plurality of supporting rod connecting rods 13 which are radially arranged, the tail ends of the supporting rod connecting rods 13 are provided with inner supporting net pieces 15, and the inner supporting net pieces 15 are enclosed into a tubular structure.
The inlet pipe 2 and the outlet pipe 3 are vertically arranged. The inlet pipe 2 and the outlet pipe 3 are respectively provided with a flange, so that an oil mixing system can be quickly connected or removed.
The filter element is internally provided with a super-strong magnet 25 for adsorbing fine metal particles in the oil.
When the filter core net body is used for cleaning a pipeline, metal impurities are adsorbed by the magnet, the tubular inner filter net surrounded by the inner supporting net sheets is used for primary filtration, and finally, the impurities are filtered for the second time by the filter core net body, so that the impurity interception efficiency is greatly improved through three times of interception.
The filter element bottom plate 11 is provided with a magnet support rod 26, the support rod 26 is provided with a lower press cover 27, the inner wall of the outer cylinder body 1 is provided with an elastic piece mounting seat 28, the elastic piece mounting seat 28 is provided with an elastic piece 29, the tail end of the elastic piece 29 is provided with an upper press cover 30, and under the action of the elastic piece, the magnet 25 is compressed between the upper press cover 30 and the lower press cover 27.
The fixing structure of the magnet not only can be tightly pressed on the filter element pressing strip through the lower pressing cover, but also can be tightly pressed between the upper pressing cover and the lower pressing cover through the spring, so that the mounting and the dismounting of the spring are convenient.
The main supporting rod 14 is provided with a plurality of first hinge seats 12 from top to bottom, one end of the supporting rod connecting rod 13 is a connecting part 31, the other end of the supporting rod connecting rod 13 is provided with a second hinge seat 32, the inner wall of the inner supporting net sheet 15 is provided with a plurality of third hinge seats 33 from top to bottom, the first hinge seats 12, the second hinge seats and the third hinge seats 32 and 33 are all U-shaped structures, the first hinge seats 12 are connected with the connecting part 31 of the corresponding supporting connecting rod 13 through bolts, and the second hinge seats 32 are crossed with the corresponding third hinge seats 33 and are connected through bolts.
The outer diameter of the two end parts of the main supporting rod 14 is larger than that of the middle part of the main supporting rod 14, the filter element pressing strip 6 is provided with a pressing bolt 34, and the main supporting rod 14 is pressed on the filter element bottom plate 11 through the pressing bolt 34.
The outer cylinder body 1 is provided with a filter cover opening mechanism which comprises a lifting screw rod 16, a lifting nut 17, a cover opening connecting rod 19 and a rocker 24; the outer cylinder body 1 is provided with a rocker seat 21, and the rocker seat 21 is arranged along the axial direction of the outer cylinder body 1; the rocker 24 is rotatably arranged in the rocker seat 21; the rocker 24 is provided with a cover opening connecting rod 19, and the cover opening connecting rod 19 is vertical to the rocker 24;
the tail end of the cover opening connecting rod 19 is provided with a lifting nut 17, the lifting nut 17 is in threaded connection with a lifting screw rod 16, the lower end of the lifting screw rod 16 is connected with the filter upper cover 7, the lifting screw rod 16 can rotate relative to the filter upper cover 7, and a lifting screw rod rotating device 23 is arranged on the lifting screw rod 16.
The filter cover opening mechanism further comprises a cover opening rod 22, the cover opening rod 22 is rotatably arranged in a rocker 24, the tail end of the cover opening rod 22 extends to the upper part of the filter upper cover 7, and a hook 25 is arranged at the tail end of the cover opening rod 22.
According to the invention, the cover opening structure is additionally arranged on the outer cylinder, when a pipeline is blocked or the filter element and the magnet are cleaned, the upper cover of the filter can be moved upwards only by rotating the lifting screw rod, and the cover opening device is moved to one side of the outer cylinder by rotating the filter rocker and the cover opening rod, so that the inner part of the outer cylinder is conveniently treated.
Limiting clamping pieces 20 are arranged on filter rocking rods 24 at two ends of the rocking rod seat 21, the outer diameter of each limiting clamping piece 20 is larger than the inner diameter of the rocking rod seat 21, the filter rocking rods 24 are arranged in the rocking rod seat 21 and limited through the two limiting clamping pieces 20, and the filter rocking rods 24 can rotate relative to the rocking rod seat 21;
the end of the filter rocker 24 is provided with a closing plate 31 for limiting the position of the rocker 24 in the opening rod 22.
The end part of the lifting screw rod 16 matched with the lifting screw rod seat 18 is sequentially provided with a groove part 35 and a protruding part 36 from top to bottom, the outer diameter of the groove part 35 is smaller than the outer diameter of the middle part of the lifting screw rod 16, the outer diameter of the protruding part 36 is larger than the outer diameter of the middle part of the lifting screw rod 16, and the outer end surface 37 of the protruding part 36 is hemispherical;
the lifting screw rod seat 18 comprises a side wall plate 38 and a top plate 39, a lifting screw rod mounting hole 40 is processed on the top plate 39, the outer diameter of the lifting screw rod mounting hole 40 is slightly larger than the diameter of the groove part 35, and the outer diameter of the lifting screw rod mounting hole 40 is smaller than the outer diameter of the protruding part 36;
the lifting screw 16 is arranged in the lifting screw seat 18 and is limited by the matching of the groove part 35 and the lifting screw mounting hole 40.
The contact surface of the filter element seat 5 and the filter element flange 10 is provided with a first sealing ring 56, and the upper inner side of the filter element seat 5 is processed with a sealing ring groove 61.
And a second sealing ring 57 is arranged on the contact surfaces of the filter element seat 5, the filter element flange 10 and the filter element net body 9.
The filter upper cover 7 is connected with the outer cylinder upper flange 4 through a flange, and a third sealing ring 58 is arranged on the contact surface of the filter upper cover 7 and the outer cylinder upper flange 4.
The upper end surface of the upper flange 4 of the outer cylinder body is of a step structure, the thickness of the inner side of the upper flange 4 of the outer cylinder body is larger than that of the outer side of the upper flange 4 of the outer cylinder body, and a sealing ring groove is processed on the inner side of the upper flange 4 of the outer cylinder body; the lower end surface of the filter upper cover 7 is of a step structure, and the thickness of the middle part of the filter upper cover 7 is larger than that of the outer end part thereof.
The filter upper cover 7 is provided with a first pressure gauge 49 and a first plug valve 50.
The outlet pipe 3 is provided with a second pressure gauge 51, a second plug valve 52 and a thermometer 53.
The filter bottom plate 8 is higher than the lower end of the outer cylinder 1, the discharge valve 54 is arranged on the filter bottom plate 8, and the axial groove 55 is arranged on the outer cylinder 1 corresponding to the discharge valve 54.
A method for cleaning pipelines by using a marine oil filter is characterized by comprising the following steps:
(1) after the ship is installed on the pipe and before the pipeline is put into operation, the pipeline, the ship oil filter and the oil pump are connected to form a loop;
(2) starting an oil pump to enable oil to flow in the pipeline, and enabling impurities in the pipeline to enter the flowing oil and flow together with the flowing oil;
(3) the oil liquid carried with impurities enters the oil filter for the ship through the inlet pipe 2, and the 90-degree steering is carried out;
(4) the oil after 90-degree steering firstly flows through a magnet in the marine oil filter, and the magnet adsorbs metal impurities in the oil;
(5) then, the oil enters a tubular structure surrounded by the inner supporting net sheets 15 for primary filtration, so that the primary interception of impurities is realized;
(6) the oil liquid after the first filtration flows outwards through the outer filter element net body 9 of the outer filter element to carry out the second filtration, so that the second interception of impurities is realized;
(7) the oil liquid after the second filtration is discharged through an outlet pipe 3;
(8) after the pipeline is cleaned, cleaning the oil filter for the ship:
the filter upper cover is moved upwards by utilizing a lifting screw rod and a lifting nut of the filter cover opening mechanism, the filter upper cover is connected with a hook on a cover opening rod at the moment, a rocker and the cover opening rod are synchronously rotated, and the filter upper cover is moved to one side of the outer cylinder body;
and cleaning the magnet, the inner filter element and the outer filter element.
A marine oil mixing filter group comprises a first marine oil mixing filter 41 and a second marine oil mixing filter 42, wherein the first marine oil mixing filter and the second marine oil mixing filter adopt the marine oil mixing filter structure of any one of claims 1 to 9, inlet pipes of the first marine oil mixing filter 41 and the second marine oil mixing filter 42 are communicated, an inlet main pipe 43 is arranged on the communicated inlet pipes, and a first butterfly valve 44 and a second butterfly valve 45 are respectively arranged on the inlet pipes on two sides of the inlet main pipe 43; the outlet pipes of the first marine oil mixing filter 41 and the second marine oil mixing filter 42 are communicated, an outlet main pipe 46 is arranged on the communicated outlet pipe, and a third butterfly valve 47 and a fourth butterfly valve 48 are respectively arranged on the outlet pipes on two sides of the outlet main pipe 46.
According to the invention, the two filters are arranged in parallel, the butterfly valves are respectively arranged on the parallel pipelines, when one filter needs to be overhauled, the corresponding inlet butterfly valve and outlet butterfly valve are closed, and the other filter normally works, so that the oil mixing process without shutdown for 24 hours is realized.
The above description is only a preferred embodiment of the present invention, and it should be understood that the present invention is not limited to the above description, but the present invention can be modified within the scope of the present invention.
Claims (10)
1. A marine oil filter comprises an outer cylinder body (1), a filter upper cover (7) and a filter bottom plate (8), wherein an inlet pipe (2) and an outlet pipe (3) are arranged on the outer cylinder body (1), and a filter element is arranged in the outer cylinder body (1); the filter is characterized in that the filter element is lower than the inlet pipe (2) and comprises an outer filter element and an inner filter element, the outer filter element comprises a filter element flange (10), a filter element net body (9) and a filter element bottom plate (11), the filter element flange (10) is arranged at the upper part of the filter element net body (9), and the filter element bottom plate (11) is arranged at the lower part of the filter element net body (9); the inner wall of the outer cylinder body (1) is provided with a filter element seat (5), and a filter element flange (10) is arranged on the filter element seat (5) and is tightened through a filter element pressing strip (6); the filter element bottom plate (11) is lower than the outlet pipe (3);
the inner filter element comprises a main stay bar (14), a stay bar connecting rod (13) and an inner stay mesh (15); the main supporting rods (14) are arranged on the filter element bottom plate (11), the main supporting rods (14) are arranged along the axial direction of the filter element, a plurality of supporting rod connecting rod groups are arranged on the main supporting rods (14) from top to bottom, each supporting rod connecting rod group comprises a plurality of radially arranged supporting rod connecting rods (13), inner supporting net pieces (15) are arranged at the tail ends of the supporting rod connecting rods (13), and the inner supporting net pieces (15) are enclosed into a tubular structure;
a magnet (25) is arranged in the filter element.
2. The marine oil mixing filter as claimed in claim 1, wherein the filter element bottom plate (11) is provided with a magnet support rod (26), the support rod (26) is provided with a lower gland (27), the inner wall of the outer cylinder (1) is provided with an elastic member mounting seat (28), the elastic member mounting seat (28) is provided with an elastic member (29), the tail end of the elastic member (29) is provided with an upper gland (30), and the magnet (25) is pressed between the upper gland (30) and the lower gland (27) under the action of the elastic member.
3. The marine oil mixing filter as claimed in claim 1, wherein the main stay bar (14) is provided with a plurality of first hinge seats (12) from top to bottom, one end of the stay bar connecting rod (13) is provided with a connecting part (31), the other end of the stay bar connecting rod (13) is provided with a second hinge seat (32), the inner wall of the inner stay mesh sheet (15) is provided with a plurality of third hinge seats (33) from top to bottom, the first, second and third hinge seats (12, 32 and 33) are all in a U-shaped structure, the first hinge seat (12) is connected with the connecting part (31) of the corresponding support connecting rod (13) through a bolt, and the second hinge seat (32) is crossed with the corresponding third hinge seat (33) and is connected through a bolt;
the outer diameter sizes of the two end parts of the main supporting rod (14) are larger than the outer diameter size of the middle part of the main supporting rod (14), a pressing bolt (34) is arranged on the filter element pressing strip (6), and the main supporting rod (14) is pressed on the filter element bottom plate (11) through the pressing bolt (34).
4. The marine oil mixing filter as claimed in claim 1, wherein the outer cylinder (1) is provided with a filter cover opening mechanism, which comprises a lifting screw rod (16), a lifting nut (17), a cover opening connecting rod (19) and a rocker (24); the outer cylinder body (1) is provided with a rocker seat (21), and the rocker seat (21) is axially arranged along the outer cylinder body (1); the rocker (24) is rotatably arranged in the rocker seat (21); the rocker (24) is provided with a cover opening connecting rod (19), and the cover opening connecting rod (19) is vertical to the rocker (24);
the tail end of the cover opening connecting rod (19) is provided with a lifting nut (17), the lifting nut (17) is in threaded connection with a lifting screw rod (16), the lower end of the lifting screw rod (16) is connected with the filter upper cover (7), the lifting screw rod (16) can rotate relative to the filter upper cover (7), and a lifting screw rod rotating device (23) is arranged on the lifting screw rod (16).
5. A marine oil distribution filter according to claim 4, wherein the filter cover opening mechanism further comprises a cover opening rod (22), the cover opening rod (22) is rotatably arranged in the rocker (24), the tail end of the cover opening rod (22) extends to the upper part of the filter cover (7), and the tail end of the cover opening rod (22) is provided with a hook (25).
6. The marine oil mixing filter as defined in claim 4, wherein the filter rockers (24) at both ends of the rocker base (21) are provided with limiting clips (20), the outer diameter of each limiting clip (20) is larger than the inner diameter of the rocker base (21), the filter rockers (24) are arranged in the rocker base (21) and limited by the two limiting clips (20), and the filter rockers (24) can rotate relative to the rocker base (21);
the tail end of the filter rocker (24) is provided with a closing plate (31) for limiting the position of the rocker (24) in the cover opening rod (22).
7. The marine oil filter according to claim 4, wherein the end of the lifting screw rod (16) matched with the lifting screw rod seat (18) is sequentially provided with a groove part (35) and a protruding part (36) from top to bottom, the outer diameter of the groove part (35) is smaller than the outer diameter of the middle part of the lifting screw rod (16), the outer diameter of the protruding part (36) is larger than the outer diameter of the middle part of the lifting screw rod (16), and the outer end surface (37) of the protruding part (36) is hemispherical;
the lifting screw rod seat (18) comprises a side wall plate (38) and a top plate (39), a lifting screw rod mounting hole (40) is processed on the top plate (39), the outer diameter of the lifting screw rod mounting hole (40) is slightly larger than the diameter of the groove part (35), and the outer diameter of the lifting screw rod mounting hole (40) is smaller than the outer diameter of the protruding part (36);
the lifting screw rod (16) is arranged in the lifting screw rod seat (18) and is limited by the matching of the groove part (35) and the lifting screw rod mounting hole (40).
8. The marine oil filter according to claim 3, wherein a first sealing ring (56) is arranged on the contact surface of the filter element seat (5) and the filter element flange (10); a second sealing ring (57) is arranged on the contact surface of the filter element seat (5), the filter element flange (10) and the filter element net body (9);
the filter upper cover (7) is connected with the outer cylinder upper flange (4) through a flange, and a third sealing ring (58) is arranged on the contact surface of the filter upper cover (7) and the outer cylinder upper flange (4);
the upper end surface of the upper flange (4) of the outer cylinder body is of a step structure, the thickness of the inner side of the upper flange (4) of the outer cylinder body is larger than that of the outer side of the upper flange, and a sealing ring groove is processed on the inner side of the upper flange (4) of the outer cylinder body; the lower end surface of the filter upper cover (7) is of a step structure, and the thickness of the middle part of the filter upper cover (7) is larger than that of the outer end part of the filter upper cover;
a first pressure gauge (49) and a first plug valve (50) are arranged on the filter upper cover (7); a second pressure gauge (51), a second plug valve (52) and a thermometer (53) are arranged on the outlet pipe (3); the filter bottom plate (8) is higher than the lower end of the outer cylinder body (1), the filter bottom plate (8) is provided with a discharge valve (54), and the outer cylinder body (1) corresponding to the discharge valve (54) is provided with an axial groove (55).
9. A method of cleaning a pipeline using a marine oil strainers as claimed in any of claims 1 to 8, comprising the steps of:
(1) after the ship is installed on the pipe and before the pipeline is put into operation, the pipeline, the ship oil filter and the oil pump are connected to form a loop;
(2) starting an oil pump to enable oil to flow in the pipeline, and enabling impurities in the pipeline to enter the flowing oil and flow together with the flowing oil;
(3) the oil liquid carried with impurities enters the marine oil filter through the inlet pipe (2) and is subjected to 90-degree steering;
(4) the oil after 90-degree steering firstly flows through a magnet in the marine oil filter, and the magnet adsorbs metal impurities in the oil;
(5) then, the oil enters a tubular structure surrounded by an inner supporting net sheet (15) for primary filtration to realize primary interception of impurities;
(6) the oil liquid after the first filtration flows outwards through an outer filter element net body (9) of an outer filter element to be filtered for the second time, so that the impurities are intercepted for the second time;
(7) the oil liquid after the second filtration is discharged through an outlet pipe (3);
(8) after the pipeline is cleaned, cleaning the oil filter for the ship:
rotating a lifting screw rod of the filter cover opening mechanism, enabling the lifting screw rod to move upwards relative to a lifting nut, driving an upper filter cover to move upwards by the lifting screw rod, connecting the upper filter cover with a hook on a cover opening rod at the moment, synchronously rotating a rocker and the cover opening rod, and moving the upper filter cover to one side of an outer cylinder;
and cleaning the magnet, the inner filter element and the outer filter element.
10. A marine oil mixing filter group comprises a first marine oil mixing filter (41) and a second marine oil mixing filter (42), wherein the first marine oil mixing filter and the second marine oil mixing filter adopt the marine oil mixing filter structure of any one of claims 1 to 9, inlet pipes of the first marine oil mixing filter (41) and the second marine oil mixing filter (42) are communicated, an inlet main pipe (43) is arranged on the communicated inlet pipes, and a first butterfly valve (44) and a second butterfly valve (45) are respectively arranged on the inlet pipes on two sides of the inlet main pipe (43); the outlet pipes of the first marine oil mixing filter (41) and the second marine oil mixing filter (42) are communicated, the communicated outlet pipes are provided with an outlet main pipe (46), and the outlet pipes on the two sides of the outlet main pipe (46) are respectively provided with a third butterfly valve (47) and a fourth butterfly valve (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441723.0A CN111558459A (en) | 2020-05-22 | 2020-05-22 | Marine oil string filter, marine oil string filter group and pipeline cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441723.0A CN111558459A (en) | 2020-05-22 | 2020-05-22 | Marine oil string filter, marine oil string filter group and pipeline cleaning method |
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| CN111558459A true CN111558459A (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010441723.0A Pending CN111558459A (en) | 2020-05-22 | 2020-05-22 | Marine oil string filter, marine oil string filter group and pipeline cleaning method |
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| CN113856904A (en) * | 2021-09-01 | 2021-12-31 | 沪东中华造船(集团)有限公司 | Magnetic filter device for piping oil mixing in ship construction |
| CN116493132A (en) * | 2023-06-19 | 2023-07-28 | 南京东冠船舶配套设备有限公司 | Magnetic moment array vortex filter for lubricating oil of ship main engine |
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Application publication date: 20200821 |