CN113230742A - Filtration equipment for oil development - Google Patents
Filtration equipment for oil development Download PDFInfo
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- CN113230742A CN113230742A CN202110459334.5A CN202110459334A CN113230742A CN 113230742 A CN113230742 A CN 113230742A CN 202110459334 A CN202110459334 A CN 202110459334A CN 113230742 A CN113230742 A CN 113230742A
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- filter
- filter plate
- plate
- cylinder
- buffer plate
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- 238000001914 filtration Methods 0.000 title claims abstract description 50
- 238000011161 development Methods 0.000 title claims description 4
- 238000013461 design Methods 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims description 58
- 239000012535 impurity Substances 0.000 claims description 24
- 239000003129 oil well Substances 0.000 claims description 4
- 241000561734 Celosia cristata Species 0.000 claims description 3
- 210000001520 comb Anatomy 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 23
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 description 29
- 230000002035 prolonged effect Effects 0.000 description 18
- 238000007599 discharging Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating 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 translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/461—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
-
- 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
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of oil and gas exploitation, and particularly relates to filtering equipment for oil exploitation, which comprises a filter cylinder, a feeding cylinder and a filter box, wherein a buffer plate with an arc-shaped cross section is connected inside the feeding cylinder in a sliding manner, and the inner wall of the top of the filter cylinder is fixedly connected with a fixed seat in an annular design; through grooves which are uniformly distributed are formed in the side wall of the feeding cylinder at the position below the buffer plate; strong springs which are uniformly distributed are fixedly connected between the lower surface of the buffer plate and the inner wall of the bottom of the filter cylinder, the lower surface of the buffer plate is rotatably connected with a rotating rod through a bearing, and one end of the rotating rod penetrates through the feeding cylinder and is fixedly connected with a first filter plate through uniformly arranged connecting rods; according to the invention, the speed of petroleum and gravels is reduced through the buffer plate, the impact force of the petroleum and the gravels is reduced, and simultaneously, the buffer plate and the fixing seat are used for impacting and crushing larger gravels on the buffer plate, so that the larger gravels are prevented from falling to impact the first filter plate, and the service life and the filtering effect of the first filter plate are improved.
Description
Technical Field
The invention belongs to the technical field of oil and gas exploitation, and particularly relates to a filtering device for oil exploitation.
Background
Petroleum is a viscous, dark brown liquid known as "industrial blood". The upper part of the crust has petroleum storage, the main component is a mixture of various alkanes, cyclanes and aromatics, and the petroleum storage is one of the main objects of geological exploration. During oil exploitation, generally, a well is drilled in an oil exploitation area, then an oil pump is used for pumping oil, when oil is pumped at present, a large piece of waste material is pumped, particularly, sand and stone in an oil layer are more and more in the later stage of oil field development, oil containing sand and stone needs to be filtered before being subsequently processed, and otherwise, the subsequent processing and use of the oil can be influenced.
In the prior art, petroleum is filtered mainly through a filter plate or a filter screen in a filtering device, for example, a Chinese patent with the application number of CN201911114708.9 discloses a graded filtering device for petroleum exploitation, which comprises a filter, wherein two filtering mechanisms are arranged on the left side and the right side in the filter, each filtering mechanism comprises a screening mechanism and an extrusion mechanism, the extrusion mechanism is arranged on the right side of the screening mechanism, a connecting cavity is arranged in the filter, and cylindrical cavities which are close to the end wall of the connecting cavity and communicated with the connecting cavity are symmetrically arranged on the left side and the right side of the connecting cavity; the invention mainly filters impurities in petroleum through the rotary circular filter screen, but because petroleum and sand have larger impact force when being sprayed out of a well under the action of oil pumping equipment, the sand is easy to impact and damage the filter plate and the filter screen after entering the filter device, after long-time use, the service life of the filter plate and the filter screen can be reduced, the replacement frequency and the replacement cost of the filter plate and the filter screen are increased, and the filter plate and the filter screen are easy to be blocked by larger sand impurities, so that the filtration efficiency of the device is influenced.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the petroleum and the sand have larger impact force when being sprayed out of a well under the action of oil pumping equipment, the sand is easy to impact and damage a filter plate and a filter screen after entering a filter device, the service life of the filter plate and the filter screen can be shortened after the filter device is used for a long time, and the filter plate and the filter screen are easy to block by larger sand impurities to influence the filtering efficiency of the device, the invention provides the filter equipment for petroleum exploitation.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a filtering device for oil exploitation, which comprises a filter cylinder, a feeding cylinder and a filter box, wherein the filter cylinder is of a cylindrical hollow structure, the top of the filter cylinder is provided with a feeding pipe, and the feeding pipe is externally connected with an oil well pump; a feeding cylinder is fixedly connected inside the upper end of the filter cylinder, and the feeding cylinder is coaxial with the filter cylinder; the feeding device comprises a feeding cylinder, a buffer plate, a fixed seat, a buffer plate and a baffle plate, wherein the cross section of the buffer plate is designed in an arc shape; the side face of one side of the fixed seat opposite to the buffer plate is provided with uniformly arranged lugs, the lugs are in a hemispherical design, and the lugs on the fixed seat and the lugs on the buffer plate are alternately arranged; through grooves which are uniformly distributed are formed in the side wall of the feeding cylinder at the position below the buffer plate; strong springs which are uniformly distributed are fixedly connected between the lower surface of the buffer plate and the inner wall of the bottom of the filter cylinder, the lower surface of the buffer plate is rotatably connected with a rotating rod through a bearing, one end of the rotating rod penetrates through the feeding cylinder and is fixedly connected with a first filter plate through uniformly arranged connecting rods, and the section of the first filter plate is designed to be arc; the surface of the upper end of the rotating rod is provided with a guide groove in a spiral surrounding design, the bottom of the feeding cylinder is fixedly connected with an L-shaped guide pillar, and one end of the guide pillar slides in the guide groove; a discharge pipe is arranged on one side of the filter cylinder, a filter box is arranged on the other side of the filter cylinder, a second filter plate is arranged in the filter box, and a discharge hole is formed in one side, away from the filter cylinder, of the second filter plate; an opening is formed in the center of the bottom of the first filter plate, an L-shaped guide pipe is arranged in the opening, and one end of the guide pipe obliquely extends into a space above the second filter plate; the inside of the rotating rod is of a hollow cylindrical structure, and the bottom of the filter box is communicated with the bottom of the filter cartridge through a pipeline;
when the oil pump works, the oil pump is controlled to be intermittently controlled, oil enters a space above the buffer plate through the feeding pipe, the flowing oil and sand impact the buffer plate under the action of the oil pump, when the force applied by the oil and the sand to the buffer plate is greater than the elastic force of the strong spring, the buffer plate moves downwards, the strong spring is compressed, and partial kinetic energy of the oil and the sand is converted into elastic potential energy of the strong spring, so that the speed of the oil and the sand is reduced, and the impact force of the oil and the sand is reduced; meanwhile, the buffer plate moves downwards to enable oil to flow downwards through the through grooves, after the oil above the buffer plate is discharged, the buffer plate moves upwards under the action of the strong spring to collide with the fixing seat, and part of large gravels which do not pass through the through grooves and are left on the buffer plate can be collided and crushed, so that the particle size of the gravels falling on the first filter plate is controlled, the large gravels are prevented from falling to impact the first filter plate, and the service life of the first filter plate is effectively prolonged; and the intermittent feeding above the filter cylinder and the first filter plate is controlled, so that the situation that the filtering effect is influenced by excessive materials on the first filter plate can be prevented; meanwhile, when the buffer plate moves downwards, the rotating rod is driven to move downwards, and when the rotating rod moves downwards, the rotating rod moves downwards spirally along the track of the guide groove due to the guiding effect of the guide post, so that the first filter plate is driven to move; on one hand, the rotating rod moves up and down to drive the first filter plate to vibrate up and down to improve the filtering effect on petroleum, on the other hand, the rotating rod simultaneously drives the first filter plate to rotate, so that the petroleum and sand-stone mixture falling on the first filter plate is effectively separated under the action of centrifugal force, and the separation efficiency of the petroleum and sand-stone is further improved; the interior of the rotating rod is of a hollow cylindrical structure, when the rotating rod drives the first filter plate to rotate and move downwards, the upper end of the guide pipe penetrates through the first filter plate and enters the interior of the rotating rod, so that petroleum is filtered to a space below the first filter plate and discharged from the discharge pipe, and gravels are accumulated on the first filter plate; when the buffer plate moves upwards to drive the rotating rod and the first filter plate to move upwards, the first filter plate stops rotating, sand and stone impurities fall to the middle of the first filter plate in a concentrated mode and enter the upper portion of the second filter plate through the opening and the inclined guide pipe, a small amount of petroleum attached to the sand and stone is filtered to the lower portion of the second filter plate through secondary filtering of the second filter plate, and the sand and stone are taken out from the discharge hole; meanwhile, the rotating rod and the first filter plate are rotated by arranging the buffer plate and the guide pillar, so that the device is not required to be provided with too many power devices, and the energy consumption and the operation cost are reduced.
Preferably, a rubber layer is arranged above the first filter plate, the rubber layer is in an annular design, one side of the rubber layer, relative to the rotating rod, is in a sawtooth-shaped design, the rubber layer is in an inclined design, relative to one side of the rotating rod, and the sectional area of one side of the rubber layer, relative to the rotating rod, is gradually increased from top to bottom; during operation, oil and grit in the feeding section of thick bamboo drop to the rubber layer through leading to the groove to along the downward landing of one side of rubber layer cockscomb structure, the multilayer buffering through the rubber layer can further reduce the falling speed of oil and grit, reduces the impact force of oil and grit, prevents that oil and grit from assaulting and damaging first filter plate, thereby effectively improves the life of first filter plate.
Preferably, the interior of the filter cylinder is fixedly connected with uniformly distributed soft rods, the soft rods are annularly and equidistantly arranged by taking the center line of the filter cylinder as an axis, the surfaces of the soft rods are fixedly connected with uniformly distributed brushes, and the soft rods are bent to be tightly attached to the upper surface of the first filter plate in an initial state; when the filter plate works, the rotating rod drives the first filter plate to move, the first filter plate rotates relative to the soft rod, so that the soft rod is stirred on the surface of the first filter plate, the soft rod and the hairbrush can be used for cleaning and cleaning sand and stone impurities on the surface of the first filter plate, and more sand and stone impurities are prevented from being accumulated and attached to the surface of the first filter plate, so that the filtering effect of the first filter plate is enhanced, and the service life of the first filter plate is prolonged; when the dwang drives first filter plate and rotates and shifts up simultaneously, the soft pole is crooked to hug closely first filter plate upper surface gradually, because first filter plate rotates for the soft pole simultaneously for the grit debris on first filter plate surface are stirred to the soft pole, thereby fall to first filter plate middle part and get into second filter plate top through opening and pipe with higher speed grit impurity.
Preferably, a first cavity is formed in the soft rod, uniformly distributed micropores are formed in the surface of the soft rod, the micropores are communicated with the first cavity, filter screens are arranged in the micropores, and the filter screens are used for preventing sand and gravel impurities from entering the micropores and the first cavity; second cavities which are uniformly distributed are formed in one side, opposite to the rotating rod, of the rubber layer, and the second cavities are communicated with the interior of the first cavity through air grooves; during operation, the oil and the grit that flow from the feed cylinder drop to intermittent type nature extrusion second cavity on the rubber layer, and the second cavity compresses inside gas and gets into first cavity and follow the micropore blowout when receiving the extrusion, and the gas of constantly spouting through soft pole surface can be cleared up soft pole and first filter plate surface, prevents to have the grit debris to pile up and adhere to on soft pole and first filter plate to improve the life of soft pole and first filter plate.
Preferably, sliding chutes are formed in the inner walls of the left side and the right side of the filter box, second filter plates are connected in the sliding chutes in a sliding mode, and elastic pieces which are uniformly arranged are fixedly connected between the left side and the right side of each second filter plate and the inner walls of the sliding chutes; during operation, the filtering object discharged from the guide pipe falls onto the second filter plate, the elastic piece is arranged to play a role in buffering, the second filter plate is prevented from being damaged due to the fact that the second filter plate is stressed too much due to too much feeding on the second filter plate, and therefore the service life of the second filter plate is prolonged.
Preferably, the second filter plate is designed in an inclined mode, the discharge port is located at the lower end of the second filter plate, a cover plate is hinged to the discharge port, and a torsion spring is installed between one end, far away from the second filter plate, of the cover plate and the side wall of the filter box; a scraper is arranged above the second filter plate, two ends of the scraper are connected in a sliding groove formed in the side wall of the filter box in a sliding mode, the scraper is designed in an inclined mode, and a pull rope is fixedly connected between the scraper and the cover plate; when the filter works, the second filter plate is obliquely designed, so that the sandstone falls along the second filter plate after being filtered to realize automatic discharging, and meanwhile, the cover plate is arranged to block the discharge hole, reduce the discharging speed, increase the filtering time, improve the filtering effect and prevent fluid from flowing out of the discharge hole too fast; along with the grit of piling up on the second filter plate increases, and the grit is greater than the torsional spring and to the apron power of exerting force when moving down, and the apron takes place to rotate and makes the discharge gate open, and the grit is discharged, and the apron rotates the pulling scraper blade and slides on second filter plate surface simultaneously to accelerate ejection of compact speed, prevent that partial filtrations from attaching to the second filter plate, improve the cleaning effect to the second filter plate, increase the life of second filter plate.
The invention has the following beneficial effects:
1. according to the filtering equipment for oil exploitation, the buffer plate, the fixing seat and the strong spring are arranged, the buffer plate and the strong spring convert part of kinetic energy of oil and gravel into elastic potential energy of the strong spring, so that the speed of the oil and gravel is reduced, the impact force of the oil and gravel is reduced, the filtering equipment is prevented from being damaged by the impact of the oil and gravel, meanwhile, the buffer plate and the fixing seat are used for impacting and crushing larger gravel on the buffer plate, the particle size of the gravel falling on the first filtering plate is controlled, the larger gravel is prevented from falling and impacting the first filtering plate, and the service life of the first filtering plate is effectively prolonged.
2. According to the filtering equipment for oil exploitation, the soft rod and the hairbrush are arranged and are stirred on the surface of the first filter plate, so that sand and stone impurities on the surface of the first filter plate can be cleaned, and more sand and stone impurities are prevented from being accumulated and attached to the surface of the first filter plate, so that the filtering effect of the first filter plate is enhanced, and the service life of the first filter plate is prolonged; meanwhile, when the rotating rod drives the first filter plate to rotate and move upwards, the soft rod is gradually bent to be attached to the upper surface of the first filter plate, and sandstone impurities on the surface of the first filter plate are stirred, so that the sandstone impurities fall to the middle part of the first filter plate at an accelerated speed and enter the upper part of the second filter plate through the guide pipe.
3. According to the filtering equipment for oil exploitation, the second filter plate, the cover plate and the scraper are arranged, the second filter plate is obliquely designed to realize automatic discharging of sandstone, the cover plate can block the discharge hole to reduce the discharging speed, the filtering time is prolonged, the filtering effect is improved, and fluid is prevented from flowing out of the discharge hole too fast; simultaneously along with the grit of piling up on the second filter plate increases, and the grit is greater than the torsional spring and to the apron power of exerting force when moving down, and the apron takes place to rotate and makes the discharge gate open, and the grit is discharged, and the apron rotates the pulling scraper blade and slides on second filter plate surface simultaneously to accelerate ejection of compact speed, prevent that partial filtrations from attaching to the second filter plate, improve the cleaning effect to the second filter plate, increase the life of second filter plate.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
in the figure: the filter cartridge comprises a filter cartridge 1, a feeding pipe 11, a first filter plate 12, an opening 121, a guide pipe 122, a guide post 13, a soft rod 14, a rubber layer 15, a first cavity 16, a micropore 17, a second cavity 18, a discharging pipe 19, a feeding cylinder 2, a buffer plate 21, a fixed seat 22, a lug 23, a through groove 24, a strong spring 25, a rotating rod 26, a connecting rod 27, a guide groove 28, a filter box 3, a second filter plate 31, a discharging port 32, a sliding groove 33, an elastic piece 34, a cover plate 35, a scraping plate 36, a sliding groove 37 and a pull rope 38.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the filtering apparatus for oil exploitation according to the present invention includes a filter cartridge 1, a feeding cartridge 2 and a filter box 3, wherein the filter cartridge 1 is a cylindrical hollow structure, a feeding pipe 11 is disposed at the top of the filter cartridge 1, and the feeding pipe 11 is externally connected to an oil well pump; a feeding cylinder 2 is fixedly connected to the inner part of the upper end of the filter cylinder 1, and the feeding cylinder 2 is coaxial with the filter cylinder 1; the feeding device is characterized in that a buffer plate 21 with an arc-shaped cross section is slidably connected inside the feeding cylinder 2, the top of the feeding cylinder 2 is fixedly connected with a fixing seat 22 in an annular design, the fixing seat 22 is positioned above the buffer plate 21, the fixing seat 22 and the buffer plate 21 are designed correspondingly, and the side face of one side of the fixing seat 22 relative to the buffer plate 21 is designed into a curved surface; the side face of one side of the fixed seat 22 opposite to the buffer plate 21 is provided with lugs 23 which are uniformly arranged, the lugs 23 are in a hemispherical design, and the lugs 23 on the fixed seat 22 and the lugs 23 on the buffer plate 21 are alternately arranged; through grooves 24 which are uniformly distributed are formed in the side wall of the feeding cylinder 2 below the buffer plate 21; strong springs 25 which are uniformly distributed are fixedly connected between the lower surface of the buffer plate 21 and the inner wall of the bottom of the feeding cylinder 2, the lower surface of the buffer plate 21 is rotatably connected with a rotating rod 26 through a bearing, one end of the rotating rod 26 penetrates through the feeding cylinder 2 and is fixedly connected with a first filter plate 12 through connecting rods 27 which are uniformly arranged, and the section of the first filter plate 12 is designed in an arc shape; the upper end surface of the rotating rod 26 is provided with a guide groove 28 in a spiral surrounding design, the bottom of the feeding cylinder 2 is fixedly connected with an L-shaped guide post 13, and one end of the guide post 13 slides in the guide groove 28; a discharge pipe 19 is arranged on one side of the filter cartridge 1, a filter box 3 is arranged on the other side of the filter cartridge 1, a second filter plate 31 is arranged inside the filter box 3, and a discharge hole 32 is formed in one side, away from the filter cartridge 1, of the second filter plate 31; an opening 121 is formed in the center of the bottom of the first filter plate 12, an L-shaped conduit 122 is arranged in the opening 121, and one end of the conduit 122 obliquely extends into a space above the second filter plate 31; the inside of the rotating rod 26 is of a hollow cylindrical structure, and the bottom of the filter box 3 is communicated with the bottom of the filter cartridge 1 through a pipeline;
when the oil pump works, the oil pump is controlled to be intermittently controlled, oil enters a space above the buffer plate 21 through the feeding pipe 11, the flowing oil and sand impact the buffer plate 21 under the action of the oil pump, when the force applied by the oil and the sand to the buffer plate 21 is greater than the elastic force of the powerful spring 25, the buffer plate 21 moves downwards, the powerful spring 25 compresses, and partial kinetic energy of the oil and the sand is converted into the elastic potential energy of the powerful spring 25, so that the speed of the oil and the sand is reduced, and the impact force of the oil and the sand is reduced; meanwhile, the buffer plate 21 moves downwards to enable oil to flow downwards through the through groove 24, after the oil above the buffer plate 21 is discharged, the buffer plate 21 moves upwards under the action of the strong spring 25 to collide with the fixing seat 22, so that large gravels which do not pass through the through groove 24 and are left on the buffer plate 21 are collided and crushed, the particle size of the gravels falling on the first filter plate 12 is controlled, the large gravels are prevented from falling to impact the first filter plate 12, the first filter plate 12 is prevented from being damaged, and the service life of the first filter plate 12 is effectively prolonged; and the intermittent feeding above the filter cartridge 1 and the first filter plate 12 is controlled, so that the situation that the filtering effect is influenced by excessive materials on the first filter plate 12 can be prevented; meanwhile, when the buffer plate 21 moves downwards, the rotating rod 26 is driven to move downwards, and when the rotating rod 26 moves downwards, due to the guiding effect of the guide post 13, the rotating rod 26 moves downwards spirally along the track of the guide groove 28, so as to drive the first filter plate 12 to move; on one hand, the rotating rod 26 moves up and down to drive the first filter plate 12 to vibrate up and down to improve the filtering effect on petroleum, on the other hand, the rotating rod 26 simultaneously drives the first filter plate 12 to rotate, so that the petroleum and sand-stone mixture falling on the first filter plate 12 is effectively separated under the action of centrifugal force, and the separation efficiency of the petroleum and sand-stone is further improved; moreover, because the inside of the rotating rod 26 is a hollow cylindrical structure, when the rotating rod 26 drives the first filter plate 12 to rotate and move downwards, the upper end of the guide pipe 122 passes through the first filter plate 12 and enters the inside of the rotating rod 26, so that the petroleum is filtered to the space below the first filter plate 12 and is discharged from the discharge pipe 19, and the sand and stone are accumulated on the first filter plate 12; when the buffer plate 21 moves up to drive the rotating rod 26 and the first filter plate 12 to move up, the first filter plate 12 stops rotating, sand and gravel impurities fall to the middle part of the first filter plate 12 and enter the upper part of the second filter plate 31 through the opening 121 and the inclined conduit 122, a small amount of oil attached to the sand and gravel is filtered to the lower part of the second filter plate 31 through the secondary filtration of the second filter plate 31, and the sand and gravel are taken out from the discharge port 32; meanwhile, the buffer plate 21 and the guide post 13 are arranged to realize the rotation of the rotating rod 26 and the first filter plate 12, so that the device does not need to be provided with too many power devices, and the energy consumption and the operation cost are reduced.
As an embodiment of the present invention, a rubber layer 15 is disposed above the first filter plate 12, the rubber layer 15 is of an annular design, one side of the rubber layer 15 relative to the rotating rod 26 is of a sawtooth design, one side of the rubber layer 15 relative to the rotating rod 26 is of an inclined design, and the cross-sectional area of one side of the rubber layer 15 relative to the rotating rod 26 increases from top to bottom; during operation, oil and gravel in the feeding cylinder 2 drop to the rubber layer 15 through leading to groove 24 to along the downward landing of one side of the 15 cockscomb structure in rubber layer, the multilayer buffering through rubber layer 15 can further reduce the falling velocity of oil and gravel, reduces the impact force of oil and gravel, prevents that oil and gravel impact from damaging first filter plate 12, thereby effectively improves the life of first filter plate 12.
As an embodiment of the present invention, soft rods 14 are fixedly connected to the inside of the filter cartridge 1, the soft rods 14 are arranged in an annular and equidistant manner with the center line of the filter cartridge 1 as an axis, the surfaces of the soft rods 14 are fixedly connected with uniformly distributed brushes, and the soft rods 14 are bent to be tightly attached to the upper surface of the first filter plate 12 in an initial state; when the filter plate works, the rotating rod 26 drives the first filter plate 12 to move, the first filter plate 12 rotates relative to the soft rod 14, and the soft rod 14 and the hairbrush can wash and clean sand and stone impurities on the surface of the first filter plate 12, so that more sand and stone impurities are prevented from being accumulated and attached to the surface of the first filter plate 12, the filtering effect of the first filter plate 12 is enhanced, and the service life of the first filter plate 12 is prolonged; meanwhile, when the rotating rod 26 drives the first filter plate 12 to rotate and move upwards, the soft rod 14 is gradually bent to be tightly attached to the upper surface of the first filter plate 12, and since the first filter plate 12 rotates relative to the soft rod 14 at the same time, the soft rod 14 stirs sand and stone impurities on the surface of the first filter plate 12, so that the sand and stone impurities fall to the middle of the first filter plate 12 and enter the upper part of the second filter plate 31 through the opening 121 and the guide pipe 122 at an accelerated speed.
As an embodiment of the present invention, a first cavity 16 is formed inside the soft rod 14, micropores 17 are uniformly distributed on the surface of the soft rod 14, the micropores 17 are all communicated with the first cavity 16, and filter screens are arranged in the micropores 17 and are used for preventing sand and gravel impurities from entering the micropores 17 and the first cavity 16; the rubber layer 15 is provided with uniformly distributed second cavities 18 in one side opposite to the rotating rod 26, and the second cavities 18 are communicated with the first cavity 16 through air grooves; during operation, the oil and the sand flowing out of the feeding cylinder 2 drop to the rubber layer 15 to intermittently extrude the second cavity 18, when the second cavity 18 is extruded, the compressed internal gas enters the first cavity 16 and is sprayed out from the micropores 17, the gas continuously sprayed out from the surface of the soft rod 14 can clean the soft rod 14 and the first filter plate 12, sand and sand sundries are prevented from being accumulated and attached to the soft rod 14 and the first filter plate 12, and therefore the service life of the soft rod 14 and the service life of the first filter plate 12 are prolonged.
As an embodiment of the invention, the inner walls of the left and right sides of the filter box 3 are both provided with chutes 33, the chutes 33 are connected with second filter plates 31 in a sliding manner, and uniformly arranged elastic members 34 are fixedly connected between the lower surfaces of the left and right sides of the second filter plates 31 and the inner walls of the chutes 33; during operation, the filtered matter discharged from the first filter plate 12 falls onto the second filter plate 31, and the elastic member 34 is arranged to play a buffering role, so that the second filter plate 31 is prevented from being damaged due to excessive stress caused by excessive feeding on the second filter plate 31, and the service life of the second filter plate 31 is prolonged.
As an embodiment of the present invention, the second filter plate 31 is designed to be inclined, the discharge port 32 is located at the lower end of the second filter plate 31, the discharge port 32 is hinged to a cover plate 35, and a torsion spring is installed between one end of the cover plate 35 far away from the second filter plate 31 and the side wall of the filter box 3; a scraper 36 is arranged above the second filter plate 31, two ends of the scraper 36 are slidably connected in a sliding groove 37 formed in the side wall of the filter box 3, the scraper 36 is designed to be inclined, and a pull rope 38 is fixedly connected between the scraper 36 and the cover plate 35; when the filter works, the second filter plate 31 is obliquely designed, so that the sandstone filter screen falls along the second filter plate 31 to realize automatic discharging, meanwhile, the cover plate 35 is arranged, the cover plate 35 blocks the discharge hole 32 to reduce the discharging speed, the filtering time is prolonged, the filtering effect is improved, and fluid is prevented from flowing out of the discharge hole 32 too fast; along with the increase of the gravels piled up on the second filter plate 31, the gravels move down and the force applied to the cover plate 35 is larger than the force applied to the cover plate 35 by the torsion spring, the cover plate 35 rotates to open the discharge hole 32, the gravels are discharged, meanwhile, the cover plate 35 rotates to pull the scraper 36 to slide on the surface of the second filter plate 31, so that the discharging speed is accelerated, partial filter substances are prevented from being attached to the second filter plate 31, the cleaning effect on the second filter plate 31 is improved, and the service life of the second filter plate 31 is prolonged.
The specific working process of the invention is as follows:
when the oil pump works, the oil pump is controlled to be intermittently controlled, oil enters a space above the buffer plate 21 through the feeding pipe 11, the flowing oil and sand impact the buffer plate 21 under the action of the oil pump, when the force applied by the oil and the sand to the buffer plate 21 is greater than the elastic force of the powerful spring 25, the buffer plate 21 moves downwards, the powerful spring 25 compresses, and partial kinetic energy of the oil and the sand is converted into the elastic potential energy of the powerful spring 25, so that the speed of the oil and the sand is reduced, and the impact force of the oil and the sand is reduced; meanwhile, the buffer plate 21 moves downwards to enable oil to flow downwards through the through groove 24, after the oil above the buffer plate 21 is discharged, the buffer plate 21 moves upwards under the action of the strong spring 25 to collide with the fixing seat 22, so that large gravels which do not pass through the through groove 24 and are left on the buffer plate 21 are collided and crushed, the particle size of the gravels falling on the first filter plate 12 is controlled, the large gravels are prevented from falling to impact the first filter plate 12, the first filter plate 12 is prevented from being damaged, and the service life of the first filter plate 12 is effectively prolonged; and the intermittent feeding above the filter cartridge 1 and the first filter plate 12 is controlled, so that the situation that the filtering effect is influenced by excessive materials on the first filter plate 12 can be prevented; meanwhile, when the buffer plate 21 moves downwards, the rotating rod 26 is driven to move downwards, and when the rotating rod 26 moves downwards, due to the guiding effect of the guide post 13, the rotating rod 26 moves downwards spirally along the track of the guide groove 28, so as to drive the first filter plate 12 to move; on one hand, the rotating rod 26 moves up and down to drive the first filter plate 12 to vibrate up and down to improve the filtering effect on petroleum, on the other hand, the rotating rod 26 simultaneously drives the first filter plate 12 to rotate, so that the petroleum and sand-stone mixture falling on the first filter plate 12 is effectively separated under the action of centrifugal force, and the separation efficiency of the petroleum and sand-stone is further improved; moreover, because the inside of the rotating rod 26 is a hollow cylindrical structure, when the rotating rod 26 drives the first filter plate 12 to rotate and move downwards, the upper end of the guide pipe 122 passes through the first filter plate 12 and enters the inside of the rotating rod 26, so that the petroleum is filtered to the space below the first filter plate 12 and is discharged from the discharge pipe 19, and the sand and stone are accumulated on the first filter plate 12; when the buffer plate 21 moves up to drive the rotating rod 26 and the first filter plate 12 to move up, the first filter plate 12 stops rotating, sand and gravel impurities fall to the middle part of the first filter plate 12 and enter the upper part of the second filter plate 31 through the opening 121 and the inclined conduit 122, a small amount of oil attached to the sand and gravel is filtered to the lower part of the second filter plate 31 through the secondary filtration of the second filter plate 31, and the sand and gravel are taken out from the discharge port 32; meanwhile, the buffer plate 21 and the guide post 13 are arranged to realize the rotation of the rotating rod 26 and the first filter plate 12, so that the device does not need to be provided with excessive power devices, and the energy consumption and the operation cost are reduced;
meanwhile, the rotating rod 26 drives the first filter plate 12 to move, the first filter plate 12 rotates relative to the soft rod 14, and the soft rod 14 can wash and clean sand and stone impurities on the surface of the first filter plate 12, so that more sand and stone impurities are prevented from being accumulated and attached to the surface of the first filter plate 12, the filtering effect of the first filter plate 12 is enhanced, and the service life of the first filter plate 12 is prolonged; when the rotating rod 26 drives the first filter plate 12 to rotate and move upwards, the soft rod 14 is gradually bent to cling to the upper surface of the first filter plate 12, and because the first filter plate 12 rotates relative to the soft rod 14 at the same time, the soft rod 14 stirs sand and stone impurities on the surface of the first filter plate 12, so that the sand and stone impurities fall to the middle of the first filter plate 12 and enter the upper part of the second filter plate 31 through the opening 121 and the guide pipe 122 at an accelerated speed; meanwhile, the petroleum and the sand stones in the feeding cylinder 2 fall to the rubber layer 15 through the through groove 24 and slide downwards along the serrated side of the rubber layer 15, the falling speed of the petroleum and the sand stones can be further reduced through the multi-layer buffering of the rubber layer 15, the impact force of the petroleum and the sand stones is reduced, and the first filter plate 12 is prevented from being damaged by the petroleum and the sand stones; the petroleum and the sand fall onto the rubber layer 15 to intermittently extrude the second cavity 18, when the second cavity 18 is extruded, the compressed internal gas enters the first cavity 16 and is sprayed out from the micropores 17, the gas continuously sprayed out from the surface of the soft rod 14 can clean the soft rod 14 and the first filter plate 12, and sand and gravel are prevented from being accumulated and attached to the soft rod 14 and the first filter plate 12, so that the service lives of the soft rod 14 and the first filter plate 12 are prolonged;
meanwhile, the filtered substances discharged from the first filter plate 12 fall onto the second filter plate 31, and the elastic piece 34 can play a role in buffering, so that the second filter plate 31 is prevented from being damaged due to overlarge stress caused by excessive feeding on the second filter plate 31, and the service life of the second filter plate 31 is prolonged; the second filter plate 31 is obliquely designed, so that the sandstone filter screen falls along the second filter plate 31 to realize automatic discharging, meanwhile, the cover plate 35 is arranged, the cover plate 35 blocks the discharge hole 32 to reduce the discharging speed, the filtering time is prolonged, the filtering effect is improved, and fluid is prevented from flowing out of the discharge hole 32 too fast; along with the increase of the gravels piled up on the second filter plate 31, the gravels move down and the force applied to the cover plate 35 is larger than the force applied to the cover plate 35 by the torsion spring, the cover plate 35 rotates to open the discharge hole 32, the gravels are discharged, meanwhile, the cover plate 35 rotates to pull the scraper 36 to slide on the surface of the second filter plate 31, so that the discharging speed is accelerated, partial filter substances are prevented from being attached to the second filter plate 31, the cleaning effect on the second filter plate 31 is improved, and the service life of the second filter plate 31 is prolonged.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A filtration equipment for oil development which characterized in that: the oil-well pump filter comprises a filter cylinder (1), a feeding cylinder (2) and a filter box (3), wherein the filter cylinder (1) is of a cylindrical hollow structure, a feeding pipe (11) is arranged at the top of the filter cylinder (1), and the feeding pipe (11) is externally connected with an oil-well pump; a feeding cylinder (2) is fixedly connected to the inner part of the upper end of the filter cylinder (1), and the feeding cylinder (2) is coaxial with the filter cylinder (1); the feeding device is characterized in that a buffer plate (21) with an arc-shaped cross section is connected in the feeding cylinder (2) in a sliding mode, the top of the feeding cylinder (2) is fixedly connected with a fixing seat (22) with an annular design, the fixing seat (22) is located above the buffer plate (21), the fixing seat (22) and the buffer plate (21) are designed correspondingly, and the side face of one side, opposite to the buffer plate (21), of the fixing seat (22) is designed into a curved surface; the side face of one side, opposite to the buffer plate (21), of the fixed seat (22) is provided with lugs (23) which are uniformly arranged, the lugs (23) are of a hemispherical design, and the lugs (23) on the fixed seat (22) and the lugs (23) on the buffer plate (21) are alternately arranged; through grooves (24) which are uniformly distributed are formed in the side wall of the feeding cylinder (2) at the position below the buffer plate (21); strong springs (25) which are uniformly distributed are fixedly connected between the lower surface of the buffer plate (21) and the inner wall of the bottom of the feeding cylinder (2), the lower surface of the buffer plate (21) is rotatably connected with a rotating rod (26) through a bearing, one end of the rotating rod (26) penetrates out of the feeding cylinder (2) and is fixedly connected with a first filter plate (12) through uniformly arranged connecting rods (27), and the section of the first filter plate (12) is designed in an arc shape; the upper end surface of the rotating rod (26) is provided with a guide groove (28) in a spiral surrounding design, the bottom of the feeding cylinder (2) is fixedly connected with an L-shaped guide post (13), and one end of the guide post (13) slides in the guide groove (28); a discharge pipe (19) is arranged on one side of the filter cylinder (1), a filter box (3) is arranged on the other side of the filter cylinder, a second filter plate (31) is arranged in the filter box (3), and a discharge hole (32) is formed in one side, far away from the filter cylinder (1), of the second filter plate (31); an opening (121) is formed in the center of the bottom of the first filter plate (12), an L-shaped guide pipe (122) is rotatably connected to the opening (121), and one end of the guide pipe (122) obliquely extends into a space above the second filter plate (31); the inside hollow tubular structure that is of dwang (26), filter box (3) bottom is through pipeline and straining a section of thick bamboo (1) bottom intercommunication.
2. The filtering apparatus for oil exploitation according to claim 1, wherein: first filter plate (12) top is equipped with rubber layer (15), rubber layer (15) are the annular design, rubber layer (15) are the cockscomb structure design for one side of dwang (26), rubber layer (15) are for the one side slope design of dwang (26), rubber layer (15) increase gradually from last to down for the one side sectional area of dwang (26).
3. The filtering apparatus for oil exploitation according to claim 1, wherein: the filter cartridge is characterized in that soft rods (14) which are uniformly distributed are fixedly connected inside the filter cartridge (1), the soft rods (14) are arranged in an annular equidistant mode by taking the center line of the filter cartridge (1) as an axis, uniformly distributed brushes are fixedly connected to the surfaces of the soft rods (14), and the soft rods (14) are bent to be tightly attached to the upper surface of the first filter plate (12) in an initial state.
4. The filtering apparatus for oil exploitation according to claim 3, wherein: a first cavity (16) is formed in the soft rod (14), micropores (17) are uniformly distributed on the surface of the soft rod (14), the micropores (17) are communicated with the first cavity (16), filter screens are arranged in the micropores (17), and the filter screens are used for preventing sand and gravel impurities from entering the micropores (17) and the first cavity (16); the rubber layer (15) is provided with evenly distributed second cavities (18) relative to the inside of one side of the rotating rod (26), and the second cavities (18) are communicated with the inside of the first cavity (16) through air grooves.
5. The filtering apparatus for oil exploitation according to claim 1, wherein: spout (33) have all been seted up to filter box (3) left and right sides inner wall, sliding connection has second filter plate (31) in spout (33), link firmly elastic component (34) of evenly arranging between second filter plate (31) left and right sides lower surface and spout (33) inner wall.
6. The filtering apparatus for oil exploitation according to claim 5, wherein: the second filter plate (31) is designed in an inclined mode, the discharge port (32) is located at the lower end of the second filter plate (31), a cover plate (35) is hinged to the discharge port (32), and a torsion spring is installed between one end, far away from the second filter plate (31), of the cover plate (35) and the side wall of the filter box (3); the filter is characterized in that a scraper (36) is arranged above the second filter plate (31), two ends of the scraper (36) are connected with the sliding groove (37) in the side wall of the filter box (3) in a sliding mode, the scraper (36) is designed in an inclined mode, and a pull rope (38) is fixedly connected between the scraper (36) and the cover plate (35).
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|---|---|---|---|
| CN202110459334.5A CN113230742A (en) | 2021-04-27 | 2021-04-27 | Filtration equipment for oil development |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459334.5A CN113230742A (en) | 2021-04-27 | 2021-04-27 | Filtration equipment for oil development |
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| CN113230742A true CN113230742A (en) | 2021-08-10 |
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| CN202110459334.5A Pending CN113230742A (en) | 2021-04-27 | 2021-04-27 | Filtration equipment for oil development |
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| CN114177679A (en) * | 2022-02-16 | 2022-03-15 | 南通市中京机械有限公司 | Oil development grit filter equipment |
| CN114849322A (en) * | 2022-05-23 | 2022-08-05 | 海安县石油科研仪器有限公司 | Sediment settling device in petroleum |
| CN116813003A (en) * | 2023-08-25 | 2023-09-29 | 福建英辉新材料科技有限公司 | Integrated sewage treatment equipment and working method thereof |
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