CN116550479B - Drilling fluid rapid filtration centrifuge - Google Patents
Drilling fluid rapid filtration centrifuge Download PDFInfo
- Publication number
- CN116550479B CN116550479B CN202310798805.4A CN202310798805A CN116550479B CN 116550479 B CN116550479 B CN 116550479B CN 202310798805 A CN202310798805 A CN 202310798805A CN 116550479 B CN116550479 B CN 116550479B
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- conveying pipe
- drilling fluid
- movable
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 59
- 238000005553 drilling Methods 0.000 title claims abstract description 57
- 238000001914 filtration Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 25
- 230000009471 action Effects 0.000 abstract description 16
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000007790 scraping Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/04—Periodical feeding or discharging; Control arrangements therefor
- B04B11/05—Base discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/18—Rotary bowls formed or coated with sieving or filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
- B04B2011/086—Skimmers or scrapers for discharging ; Regulating thereof with a plurality of scraper blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a drilling fluid rapid filtering centrifuge, which relates to the technical field of filtering equipment and comprises a treatment bin, a rotary drum, a filtering hole, a conveying pipe and a movable baffle plate; when the rotary drum rotates, the lifting part can drive the movable baffle to move upwards, when the rotary drum rotates, the lifting part can drive the movable baffle to automatically move upwards under the action of centrifugal force, so that the movable baffle can seal the opening part at the bottom of the rotary drum, drilling fluid is conveyed into the conveying pipe and sprayed to the inner wall of the rotary drum from the spraying hole, then liquid in the drilling fluid can be thrown out from the filtering hole under the action of the centrifugal force of the rotary drum, slurry is reserved in the rotary drum, solid-liquid separation of the drilling fluid is realized, after dehydration and filtration are finished, the rotary drum stops rotating, the centrifugal force is withdrawn on the acting force of the lifting part, so that the movable baffle can move downwards, the opening part of the rotary drum can be opened, and slurry in the rotary drum can be automatically discharged out of the rotary drum under the action of gravity.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a drilling fluid rapid filtering centrifuge.
Background
The filter centrifuge is a dehydration and washing integrated machine, after slurry enters the filter through a feed inlet, liquid phase is discharged from the drum through a filter medium and a drum wall with holes under the action of centrifugal force, solid phase particles are trapped on the filter medium to form a filter cake layer, the filter cake layer is discharged from the drum under the pushing of a spiral, the filter centrifuge can be used for filtering drilling fluid to carry out solid-liquid separation, and circulating flushing medium used in holes can be divided into clear water, slurry, clay-free phase flushing fluid, emulsion, foam, compressed air and the like in the drilling process of the drilling fluid.
When the prior art filters drilling fluid, the liquid in the drilling fluid is thrown out from the drum filter hole of the centrifuge, slurry in the drilling fluid is attached to the inner wall of the drum of the centrifuge under the action of centrifugal force, after the filtering is finished, a worker is required to open the drum to clean the slurry attached to the inner wall of the drum, the inner space of the drum is smaller, the worker cannot extend hands into the drum completely when cleaning the slurry on the inner wall of the drum, and in addition, the inside of the drum is closed, and only the top or one end of the drum is open, so that the slurry cleaned by the worker from the inner wall of the drum cannot be discharged out of the drum in time.
To this end, we propose a drilling fluid rapid filtration centrifuge.
Disclosure of Invention
The invention aims to provide a drilling fluid rapid filtering centrifuge so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a drilling fluid filters centrifuge fast, includes that the lower extreme is equipped with the processing storehouse of outlet, still includes:
a rotary drum which is rotatably connected in the treatment bin and is arranged with an open bottom; the outer wall of the rotary drum is provided with a plurality of filtering holes, and the rotary drum is coaxial with the treatment bin;
the conveying pipe is coaxially connected to the inner wall of the rotary drum, and the lower end of the conveying pipe extends into the treatment bin; the lower end of the conveying pipe is open, and the lower end of the conveying pipe is connected with a drilling fluid conveying pump; the part of the conveying pipe, which is positioned in the rotary drum, is provided with a plurality of liquid spraying holes, and the plurality of liquid spraying holes are arranged from bottom to top;
the movable baffle plate is sleeved on the conveying pipe and can slide up and down freely, and after the movable baffle plate moves upwards, the opening of the rotary drum can be closed;
and the lifting part is used for driving the movable baffle to move upwards when the rotary drum rotates.
Preferably, a motor is arranged at the top of the treatment bin, and an output shaft of the motor is in driving connection with the rotary drum.
Preferably, the lifting part includes:
a plurality of swing arms hinged to the outer wall of the rotary drum along the axial direction of the rotary drum in an array manner, wherein one end, far away from the rotary drum, of each swing arm is provided with a counterweight ball;
a plurality of ear plates arranged on the movable baffle plate;
the connecting rod on the otic placode is vertically located, the sliding pin is worn to be equipped with to connecting rod upper end level, offer the void space that keeps away that supplies the connecting rod to remove the free passage on the swing arm, still offered the waist type hole that supplies the sliding pin to insert to close on the swing arm, the length direction in waist type hole is parallel with the length direction of swing arm.
Preferably, a boss is coaxially arranged on the bottom wall in the treatment bin, and a storage cavity is defined between the boss and the inner wall of the treatment bin.
Preferably, the lower end of the conveying pipe rotatably penetrates out of the boss, and the rotary joint is sleeved on the rotary sleeve.
Preferably, one end of the conveying pipe, which is positioned below the rotary drum, is sleeved with a limiting ring, the conveying pipe is sleeved with a tension spring, and two ends of the tension spring in the elastic direction are respectively connected with the limiting ring and the movable baffle.
Preferably, a floating ring is arranged in the rotary drum, a plurality of longitudinal scrapers are arranged on the floating ring along the axial array of the floating ring, a driving part is arranged in the treatment bin, and the driving part is used for driving the floating ring to rotate and vertically move when the movable baffle moves up and down.
Preferably, the driving part includes:
the movable ring is rotatably connected to the upper end surface of the movable baffle and is movably sleeved on the conveying pipe, and the movable ring and the conveying pipe are in rolling spiral transmission, so that when the movable ring axially moves along the conveying pipe, the movable ring can axially rotate around the movable ring;
the movable ring is axially provided with a plurality of supports on the end face of the movable ring in an array mode, and the supports are connected with the floating ring so that the movable ring can move synchronously with the floating ring.
Preferably, the movable baffle is coaxially provided with a hollow flange seat, the lower end part of the movable ring is provided with an annular protruding part which is made to be turned outwards, and the flange seat is provided with an annular clamping groove which is used for clamping the annular protruding part and can rotate freely.
Preferably, two balls are symmetrically and rotationally embedded on the wall of the middle hole of the movable ring along the axial direction, a spiral rolling groove which is used for the balls to be clamped and can rotate freely is formed in the outer wall of the conveying pipe, and when the balls roll on the spiral rolling groove, the movable ring is enabled to rotate at least 180 degrees.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the movable baffle, the conveying pipe and the rotary drum are arranged, when the rotary drum rotates, the lifting part drives the movable baffle to automatically move upwards under the action of centrifugal force, so that the movable baffle can seal the opening part at the bottom of the rotary drum, the inside of the rotary drum can be sealed, at the moment, drilling fluid is conveyed into the conveying pipe and sprayed to the inner wall of the rotary drum from the spraying hole, then liquid in the drilling fluid can be thrown out from the filtering hole of the rotary drum under the action of the centrifugal force of the rotary drum, slurry in the drilling fluid is remained in the rotary drum, solid-liquid separation of the drilling fluid is realized, after dehydration and filtration are finished, the rotary drum stops rotating, the acting force of the centrifugal force on the lifting part is removed, so that the movable baffle can move downwards, the opening part of the rotary drum can be opened, and slurry in the rotary drum can be automatically discharged out of the rotary drum under the action of gravity, and in addition, the movable baffle can automatically move vertically under the action of the rotary drum without arranging driving parts such as a cylinder;
according to the invention, the swing arm, the connecting rod, the counterweight ball and the sliding pin are arranged, when the rotary drum rotates, the counterweight ball synchronously rotates, so that the counterweight ball is subjected to the centrifugal force and swings towards the radial outer side of the rotary drum and tends to be in a horizontal state, when the counterweight ball swings upwards, the sliding pin is driven to slide in the waist-shaped hole, so that the connecting rod can move upwards, and the movable baffle is driven to move upwards until the upper surface of the movable baffle is abutted against the mouth end surface of the rotary drum, so that the mouth end surface of the rotary drum can be sealed, the inside of the rotary drum can be sealed, centrifugal dehydration filtration can be further carried out, and in addition, after the rotary drum stops rotating, the counterweight ball swings downwards, and the swing arm is driven to swing downwards, so that the movable baffle can move downwards, the mouth of the rotary drum can be opened, and slurry in the rotary drum can automatically fall from the mouth of the opened rotary drum;
according to the invention, the scraper and the floating ring are arranged, when the movable baffle moves up and down, the driving part drives the floating ring to rotate and vertically move, so that the scraper can rotate and scrape off slurry attached to the inner wall of the rotary drum;
according to the invention, the movable ring is arranged, when the movable baffle moves up and down, the movable ring is in rolling spiral transmission with the conveying pipe, so that the movable ring can synchronously rotate when moving vertically, further the rotation of the scraping plate is realized, and the slurry attached to the inner wall of the rotary drum can be scraped off, so that the structure is simple.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of a drilling fluid rapid filtration centrifuge of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the treatment chamber omitted;
FIG. 3 is an enlarged schematic view of a partial structure at A in FIG. 2;
FIG. 4 is an exploded schematic view of the structure of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 2;
FIG. 6 is a schematic view of the assembled drum and duct of the present invention;
FIG. 7 is a schematic cross-sectional view of the structure of FIG. 6;
FIG. 8 is a schematic view of the bottom angle of the structure of FIG. 6;
FIG. 9 is a schematic view of a flange seat according to the present invention;
FIG. 10 is a schematic cross-sectional view of the structure of FIG. 9;
FIG. 11 is a schematic view of the assembled floating ring, scraper and movable ring of the present invention;
fig. 12 is a schematic view of the structure of fig. 11 from the bottom.
In the figure: 1-a treatment bin; 2-filtering holes; 3-a tension spring; 4-a conveying pipe; 5-a storage chamber; 6-a water outlet; 7-a rotary joint; 8-a boss; 9-limiting rings; 10-a movable baffle; 11-ear panels; 12-connecting rods; 13-a weighted ball; 14-swinging arms; 15-a rotary drum; 16-an electric motor; 17-a flange seat; 18-a movable ring; 19-floating ring; 20-scraping plate; 21-a sliding pin; 22-an empty-avoiding groove; 23-waist-shaped holes; 24-an annular clamping groove; 25-spiral rolling grooves; 26-spraying holes; 27-an annular projection; 28-ball.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present invention provides a technical solution: the utility model provides a drilling fluid filters centrifuge fast, includes that the lower extreme is equipped with the processing storehouse 1 of outlet 6, and processing storehouse 1 inside seals, and this filters centrifuge still includes:
the rotary drum 15 is rotatably connected in the treatment bin 1, the bottom of the rotary drum is open, the motor 16 is installed at the top of the treatment bin 1, an output shaft of the motor 16 penetrates into the treatment bin 1 in a sliding way and is connected with the top of the rotary drum 15, so that when the motor 16 is externally connected with a power supply, the motor 16 can drive the rotary drum 15 to rotate, a plurality of filter holes 2 are formed in the outer wall of the rotary drum 15, the rotary drum 15 is coaxial with the treatment bin 1, the filter holes 2 can be uniformly distributed on the outer surface of the rotary drum 15, and in addition, the axial direction of the filter holes 2 is perpendicular to the axial direction of the rotary drum 15;
the conveying pipe 4 is coaxially connected to the inner wall of the rotary drum 15, and the lower end of the conveying pipe 4 extends into the treatment bin 1, so that when the rotary drum 15 rotates, the conveying pipe 4 can be synchronously driven to rotate, in addition, the lower end of the conveying pipe 4 is opened, the lower end of the conveying pipe is connected with the drilling fluid conveying pump, the drilling fluid conveying pump is started and can convey the drilling fluid to the lower end of the conveying pipe 4 and then to the inside of the conveying pipe 4, in addition, a plurality of spraying holes 26 are formed in the part of the conveying pipe 4, which is positioned in the rotary drum 15, the spraying holes 26 are formed from bottom to top, after the drilling fluid is conveyed into the conveying pipe 4, the drilling fluid is sprayed out from the opening of the spraying holes 26 under the conveying pressure of the drilling fluid conveying pump, so that the drilling fluid is sprayed to the inner surface of the rotary drum 15, and the fluid in the drilling fluid is filtered out from the filtering holes 2 of the rotary drum 15 under the action of centrifugal force, and the slurry in the drilling fluid is remained in the rotary drum 15, so that solid-liquid separation of the drilling fluid is realized through the rotation of the rotary drum 15;
the movable baffle 10 which is sleeved on the conveying pipe 4 and can slide freely up and down, in addition, the movable baffle 10 is connected with the pipe wall of the conveying pipe 4 through keys, so that the movable baffle 10 cannot automatically rotate on the conveying pipe 4, the opening of the rotary drum 15 can be closed after the movable baffle 10 moves upwards, and further, an annular rubber pad is arranged on the end face of the opening of the rotary drum 15, so that when the lower end face of the rotary drum 15 is propped against the upper surface of the movable baffle 10, the propping face of the rotary drum 15 and the movable baffle can have a good sealing effect through the rubber pad;
and a lifting part for driving the movable baffle 10 to move upwards when the drum 15 rotates, and the lifting part is influenced by the centrifugal force when the drum rotates and can drive the movable baffle 10 to move upwards.
The drilling fluid conveying pump pumps the drilling fluid into the conveying pipe 4, and spray the drilling fluid from a plurality of spray holes 26 at the upper end of the conveying pipe 4 to the inner surface of the rotary drum 15, the motor 16 is started and drives the rotary drum 15 to rotate, so that the rotary drum 15 rotates at a high speed and generates centrifugal force, and further, the lifting part can be triggered to act, so that the lifting part drives the movable baffle 10 to move upwards, the upper surface of the movable baffle 10 is abutted against the lower end face of the rotary drum 15, the upper surface of the movable baffle 10 is further sealed against the lower surface of the rotary drum 15, the inner part of the rotary drum 15 is in a closed state, when the rotary drum 15 rotates, the drilling fluid sprayed out by the spray holes 26 is subjected to centrifugal force, so that the fluid in the drilling fluid can be filtered out from the filter holes 2, in addition, the slurry in the drilling fluid remains in the rotary drum 15, and the slurry is attached to the inner surface of the rotary drum 15 due to the effect of the centrifugal force, after dehydration and filtration, the motor 16 is disconnected, so that the rotary drum 15 stops rotating, the centrifugal force applied to the lifting part is subjected to the lifting part, the lifting part is further, the upper surface of the movable baffle 10 is abutted against the lower surface of the rotary drum 15, so that the upper surface of the movable baffle 10 is driven to move downwards, and the slurry is completely removed from the rotary drum 15, and the inner part is completely opened, and the slurry can be completely removed from the rotary drum 15.
As shown in fig. 1 to 12, the lifting part includes:
the plurality of swing arms 14 are hinged to the outer wall of the rotary drum 15 along the axial direction of the rotary drum 15, specifically, the number of the swing arms 14 can be four, in addition, the swing arms 14 are uniformly distributed on the outer wall of the rotary drum 15, a counterweight ball 13 is arranged at one end of the swing arm 14 far away from the rotary drum 15, and the counterweight ball 13 is arranged, so that when the rotary drum 15 rotates, the counterweight ball 13 synchronously rotates, centrifugal force can be generated, and the counterweight ball 13 drives the swing arm 14 to swing upwards and swing towards the radial outer side of the rotary drum 15 under the action of the centrifugal force;
a plurality of ear plates 11 provided on the movable barrier 10, the ear plates 11 being connected to the outer periphery of the movable barrier 10 by welding;
the connecting rod 12 of vertical welding on otic placode 11, the sliding pin 21 is worn to be equipped with in connecting rod 12 upper end level, offer on the swing arm 14 and supply connecting rod 12 removal can freely pass through keep away empty groove 22, still offered on the swing arm 14 and supply sliding pin 21 to insert waist type hole 23, slide in waist type hole 23 through sliding pin 21 for connecting rod 12 can drive movable baffle 10 and reciprocate, and the length direction in waist type hole 23 is parallel with the length direction of swing arm 14 in addition.
When the rotary drum 15 rotates, the counterweight balls 13 synchronously rotate, centrifugal force can be generated, under the action of the centrifugal force, the counterweight balls 13 drive the swing arms 14 to swing upwards and swing towards the radial outer side of the rotary drum 15, so that the sliding pins 21 slide in the waist-shaped holes 23, in the sliding process, the connecting rods 12 are driven to move upwards, the connecting rods 12 drive the movable baffle 10 to move upwards, the upper surface of the movable baffle 10 abuts against the lower surface of the rotary drum 15, and the inside of the rotary drum 15 can be sealed after the upper surface of the movable baffle is abutted against the lower surface of the rotary drum 15.
As shown in fig. 1-12, a boss 8 is coaxially arranged on the inner bottom wall of the treatment bin 1, the boss 8 is in a shape of a truncated cone with a narrow upper part and a wide lower part, a storage cavity 5 is formed between the boss 8 and the inner wall of the treatment bin 1, the storage cavity 5 is arranged, when the rotary drum 15 rotates, liquid of drilling fluid is filtered out from the filtering holes 2 and is thrown on the inner wall of the treatment bin 1, then flows into the storage cavity 5 along the inner wall of the treatment bin 1 for storage, a water outlet is opened, and the liquid in the storage cavity 5 is discharged from the water outlet.
As shown in fig. 1-12, the lower end of the conveying pipe 4 rotatably passes through the boss 8, and the rotary sleeve is provided with a rotary joint 7, the rotary joint 7 is connected with an external drilling fluid conveying pump through a pipeline, so that the drilling fluid conveying pump conveys drilling fluid into the rotary joint 7 and then into the conveying pipe 4 through the rotary joint 7, and in addition, when the conveying pipe 4 rotates due to the rotary joint 7 being rotatably sleeved on the conveying pipe 4, the rotary joint 7 can rotate, and the drilling fluid conveying pump is not influenced.
As shown in fig. 1-12, one end of the conveying pipe 4 below the rotary drum 15 is sleeved with a limiting ring 9, the conveying pipe 4 is sleeved with a tension spring 3, two ends of the elastic force direction of the tension spring 3 are respectively connected with the limiting ring 9 and the movable baffle 10, when the rotary drum 15 rotates, the movable baffle 10 is driven to move upwards, when the movable baffle 10 moves upwards, the tension spring 3 is in a stretching state, when the rotary drum 15 stops rotating, the tension spring 3 generates tension on the movable baffle 10 and swings downwards in cooperation with a counterweight ball 13, and therefore the movable baffle 10 can move downwards rapidly.
As shown in fig. 1-12, a floating ring 19 is disposed in the drum 15, a plurality of longitudinal scrapers 20 are disposed on the floating ring 19 along the axial direction thereof, the side walls of the scrapers 20 are in sliding contact with the inner wall of the drum 15, a driving part is disposed in the treatment bin 1, the driving part is used for driving the floating ring 19 to rotate and vertically move when the movable baffle 10 moves up and down, the driving part drives the floating ring 19 to vertically move when the movable baffle 10 moves up and down, and in addition, the floating ring 19 can rotate while moving up and down, so that the scrapers 20 can rotate and vertically move, and further, the scrapers 20 can scrape slurry on the inner surface of the drum 15.
As shown in fig. 1 to 12, the driving section includes:
the movable ring 18 is rotatably connected to the upper end surface of the movable baffle 10 and is movably sleeved on the conveying pipe 4, the movable ring 18 can freely slide on the conveying pipe 4, and the movable ring 18 and the conveying pipe 4 are in rolling spiral transmission, so that when the movable ring 18 axially moves along the conveying pipe 4, the movable ring 18 can axially rotate around the movable ring 18;
the movable ring 18 is axially arranged on the end face of the movable ring 18 in an array manner, the supports are connected with the floating ring 19, the movable ring 18 can synchronously move with the floating ring 19, two ends of each support can be connected to the movable ring 18 and the floating ring 19 in a welding manner, when the movable baffle 10 moves up and down, the movable ring 18 is driven to move up and down, the scraping plate 20 can move up and down, in addition, when the movable ring 18 moves up and down, the movable ring 18 can synchronously rotate relative to the conveying pipe 4 due to the rolling spiral transmission of the movable ring 18 and the conveying pipe 4, and then the scraping plate 20 can rotate, and when the movable ring rotates, the scraping plate 20 can scrape slurry on the inner surface of the rotary drum 15.
As shown in fig. 1-12, a hollow flange seat 17 is coaxially arranged on the movable baffle 10, an annular protruding portion 27 which is turned outwards is arranged at the lower end portion of the movable ring 18, an annular clamping groove 24 which is used for clamping the annular protruding portion 27 and can rotate freely is formed in the flange seat 17, the movable ring 18 rotates in the annular clamping groove 24 through the annular protruding portion 27, and the movable ring 18 and the flange seat 17 are axially limited, so that the movable ring 18 is connected to the movable baffle 10 in a rotating mode.
As shown in fig. 1-12, two balls 28 are symmetrically and rotationally embedded on the middle hole wall of the movable ring 18 along the axial direction, a spiral rolling groove 25 which is used for the balls 28 to be clamped and capable of freely rotating is arranged on the outer wall of the conveying pipe 4, the balls 28 can rotate at least 180 degrees when rolling on the spiral rolling groove 25, when the movable ring 18 moves downwards, the balls 28 on the movable ring 18 can roll in the spiral rolling groove 25 and roll along the spiral direction of the spiral rolling groove 25, and then the movable ring 18 can be driven to rotate, and as the movable ring 18 rotates at least 180 degrees, the scraping plate 20 rotates at least half a circle, and then slurry on the inner surface of the rotary drum 15 can be scraped.
Working principle: the drilling fluid conveying pump pumps the drilling fluid into the conveying pipe 4, the drilling fluid is sprayed to the inner surface of the rotary drum 15 from a plurality of spray holes 26 at the upper end of the conveying pipe 4, the motor 16 is started, the rotary drum 15 is driven to rotate, when the rotary drum 15 rotates, the counterweight ball 13 synchronously rotates, centrifugal force can be generated, under the action of the centrifugal force, the counterweight ball 13 drives the swing arm 14 to swing upwards and swing towards the radial outer side of the rotary drum 15, the sliding pin 21 slides in the waist-shaped hole 23, in the sliding process, the connecting rod 12 is driven to move upwards, the connecting rod 12 drives the movable baffle 10 to move upwards, the upper surface of the movable baffle 10 is propped against the lower surface of the rotary drum 15, after propped against the lower surface of the rotary drum 15, the inside of the rotary drum 15 can be sealed, when the rotary drum 15 rotates, the drilling fluid sprayed out from the spray holes 26 is subjected to centrifugal force, and the liquid in the drilling fluid can be filtered from the filter holes 2, in addition, slurry in the drilling fluid remains in the drum 15, and the slurry is adhered to the inner surface of the drum 15 due to the effect of centrifugal force, when the drum 15 stops rotating, the tension spring 3 generates tension on the movable baffle 10 and swings downwards in cooperation with the counterweight ball 13, so that the movable baffle 10 can move downwards rapidly, the opening of the drum 15 is opened, the slurry remaining in the drum 15 falls from the opening of the opened drum 15, when the movable baffle 10 moves downwards, the movable ring 18 is driven to move downwards, when the movable ring 18 moves downwards, the balls 28 on the movable ring 18 can roll in the spiral rolling groove 25 and roll along the spiral direction of the spiral rolling groove 25, further the movable ring 18 can be driven to rotate, and as the movable ring 18 rotates at least 180 degrees, the scraper 20 rotates at least half circle, and the slurry on the inner surface of the drum 15 can be scraped off.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a drilling fluid filters centrifuge fast, includes that the lower extreme is equipped with treatment bin (1) of outlet (6), its characterized in that still includes:
a rotary drum (15) which is rotatably connected in the treatment bin (1) and is arranged with an open bottom; a plurality of filter holes (2) are formed in the outer wall of the rotary drum (15), and the rotary drum (15) is coaxial with the treatment bin (1);
a conveying pipe (4) coaxially connected to the inner wall of the rotary drum (15) and the lower end of which extends into the treatment bin (1); the lower end of the conveying pipe (4) is open, and the lower end of the conveying pipe is connected with a drilling fluid conveying pump; the conveying pipe (4) is provided with a plurality of liquid spraying holes (26) at the position in the rotary drum (15), and the plurality of liquid spraying holes (26) are arranged from bottom to top;
a movable baffle (10) sleeved on the conveying pipe (4) and capable of freely sliding up and down, wherein the movable baffle (10) can seal the opening of the rotary drum (15) after moving upwards;
lifting part for being able to drive the mobile flap (10) to move upwards when the drum (15) rotates, the lifting part comprising:
a plurality of swing arms (14) hinged to the outer wall of the rotary drum (15) along the axial array of the rotary drum (15), wherein a counterweight ball (13) is arranged at one end of each swing arm (14) far away from the rotary drum (15);
a plurality of ear plates (11) provided on the movable baffle plate (10);
the connecting rod (12) is vertically arranged on the ear plate (11), the upper end of the connecting rod (12) is horizontally provided with a sliding pin (21) in a penetrating mode, the swinging arm (14) is provided with a clearance groove (22) through which the connecting rod (12) can freely pass, the swinging arm (14) is also provided with a waist-shaped hole (23) through which the sliding pin (21) is inserted, and the length direction of the waist-shaped hole (23) is parallel to the length direction of the swinging arm (14);
a floating ring (19) is arranged in the rotary drum (15), a plurality of longitudinal scrapers (20) are arranged on the floating ring (19) along the axial direction of the floating ring in an array manner, a driving part is arranged in the treatment bin (1), and the driving part is used for driving the floating ring (19) to rotate and vertically move when the movable baffle (10) moves up and down;
the movable ring (18) is rotatably connected to the upper end face of the movable baffle (10) and is movably sleeved on the conveying pipe (4), and the movable ring (18) and the conveying pipe (4) are in rolling spiral transmission, so that when the movable ring (18) moves axially along the conveying pipe (4), the movable ring (18) can rotate axially around the movable ring (18);
the movable ring (18) is axially arranged on the end face of the movable ring (18) in an array manner, and the brackets are connected with the floating ring (19) so that the movable ring (18) can synchronously move with the floating ring (19);
the movable baffle (10) is coaxially provided with a hollow flange seat (17), the lower end part of the movable ring (18) is provided with an annular protruding part (27) which is made to be turned outwards, and the flange seat (17) is provided with an annular clamping groove (24) which is used for clamping the annular protruding part (27) and can rotate freely.
2. A drilling fluid rapid filtration centrifuge according to claim 1, characterized in that the top of the treatment bin (1) is provided with a motor (16), and the output shaft of the motor (16) is in driving connection with a rotary drum (15).
3. The drilling fluid rapid filtering centrifuge as defined in claim 2, wherein a boss (8) is coaxially arranged on the inner bottom wall of the treatment bin (1), and a storage cavity (5) is defined between the boss (8) and the inner wall of the treatment bin (1).
4. A drilling fluid rapid filtration centrifuge according to claim 3, wherein the lower end of the conveying pipe (4) is rotatably penetrated out of the boss (8), and the rotary joint (7) is sleeved on the rotary sleeve.
5. The rapid drilling fluid filtering centrifuge as claimed in claim 4, wherein the end of the conveying pipe (4) located below the rotary drum (15) is sleeved with a limiting ring (9), the conveying pipe (4) is sleeved with a tension spring (3), and two ends of the tension spring (3) in the elastic direction are respectively connected with the limiting ring (9) and the movable baffle (10).
6. The drilling fluid rapid filtering centrifuge as defined in claim 5, wherein two balls (28) are symmetrically and rotationally embedded on the wall of the middle hole of the movable ring (18) along the axial direction, a spiral rolling groove (25) which is used for the balls (28) to be clamped and can freely rotate is arranged on the outer wall of the conveying pipe (4), and the balls (28) enable the movable ring (18) to rotate at least 180 ° when rolling on the spiral rolling groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310798805.4A CN116550479B (en) | 2023-07-03 | 2023-07-03 | Drilling fluid rapid filtration centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310798805.4A CN116550479B (en) | 2023-07-03 | 2023-07-03 | Drilling fluid rapid filtration centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116550479A CN116550479A (en) | 2023-08-08 |
| CN116550479B true CN116550479B (en) | 2023-09-19 |
Family
ID=87496748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310798805.4A Active CN116550479B (en) | 2023-07-03 | 2023-07-03 | Drilling fluid rapid filtration centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116550479B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117339771B (en) * | 2023-12-04 | 2024-02-23 | 清控环境(北京)有限公司 | Centrifugal separation equipment for oil sludge treatment and separation method thereof |
| CN117658394B (en) * | 2024-02-01 | 2024-04-02 | 山东轻工职业学院 | Pharmaceutical wastewater recycling device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB708192A (en) * | 1951-04-24 | 1954-04-28 | Shell Refining & Marketing Co | Improvements relating to rotary regenerators |
| US5037373A (en) * | 1988-06-24 | 1991-08-06 | Richard Mozley Limited | Solids-liquids separator |
| WO2002055839A1 (en) * | 2001-01-15 | 2002-07-18 | Zijiu Niu | The method for filtrating drilling fluid in rotary way and devices used in the method |
| CN204638366U (en) * | 2015-04-30 | 2015-09-16 | 湖南贝花食品有限公司 | A kind of vertical centrifugal filter |
| CN106238229A (en) * | 2016-08-31 | 2016-12-21 | 苏州盛天力离心机制造有限公司 | Sucking filtration bowl assembly |
| CN207238278U (en) * | 2017-09-19 | 2018-04-17 | 北京航兴宏达化工有限公司 | A kind of lower discharging centrifuge |
| CN216500047U (en) * | 2021-12-03 | 2022-05-13 | 宁波翔神生化有限公司 | Automatic centrifugal device of unloading |
| CN217017012U (en) * | 2021-12-17 | 2022-07-22 | 浙江久绿环境科技有限公司 | Automatic centrifugal solid-liquid separation machine of unloading |
| CN217249754U (en) * | 2021-12-30 | 2022-08-23 | 云南自由贸易试验区睿之成医药科技有限公司 | Centrifugal equipment for separation and extraction |
-
2023
- 2023-07-03 CN CN202310798805.4A patent/CN116550479B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB708192A (en) * | 1951-04-24 | 1954-04-28 | Shell Refining & Marketing Co | Improvements relating to rotary regenerators |
| US5037373A (en) * | 1988-06-24 | 1991-08-06 | Richard Mozley Limited | Solids-liquids separator |
| WO2002055839A1 (en) * | 2001-01-15 | 2002-07-18 | Zijiu Niu | The method for filtrating drilling fluid in rotary way and devices used in the method |
| CN204638366U (en) * | 2015-04-30 | 2015-09-16 | 湖南贝花食品有限公司 | A kind of vertical centrifugal filter |
| CN106238229A (en) * | 2016-08-31 | 2016-12-21 | 苏州盛天力离心机制造有限公司 | Sucking filtration bowl assembly |
| CN207238278U (en) * | 2017-09-19 | 2018-04-17 | 北京航兴宏达化工有限公司 | A kind of lower discharging centrifuge |
| CN216500047U (en) * | 2021-12-03 | 2022-05-13 | 宁波翔神生化有限公司 | Automatic centrifugal device of unloading |
| CN217017012U (en) * | 2021-12-17 | 2022-07-22 | 浙江久绿环境科技有限公司 | Automatic centrifugal solid-liquid separation machine of unloading |
| CN217249754U (en) * | 2021-12-30 | 2022-08-23 | 云南自由贸易试验区睿之成医药科技有限公司 | Centrifugal equipment for separation and extraction |
Non-Patent Citations (1)
| Title |
|---|
| 碟式活塞排渣分离机技术新进展;陈森;石油化工设备(第03期);第66-71页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116550479A (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116550479B (en) | Drilling fluid rapid filtration centrifuge | |
| CN206463569U (en) | Sewage water filtration tank | |
| CN107961600B (en) | A kind of flue automatic dust removing apparatus | |
| CN207562469U (en) | A kind of backwash mechanism for cylinder type filter net | |
| CN106563303B (en) | The Waste oil filter by oil of high pressure continuous production automatic scraping slag, deslagging | |
| CN205948470U (en) | Sewage filtering device | |
| CN214516454U (en) | Cleaning device for stamping die | |
| CN219483012U (en) | High-efficient centrifugal device | |
| CN210815744U (en) | Tubular centrifuge is used in production of living fungus | |
| CN218796585U (en) | Spherical graphite centrifuge of easy clearance | |
| CN117018736A (en) | High-temperature-resistant valve for industrial sewage treatment system | |
| CN208390387U (en) | A kind of Sand screen preventing blocking | |
| CN108837604B (en) | Multistage dust collector | |
| CN204672447U (en) | A kind of centrifugal solid-liquid separator | |
| CN106582100B (en) | A kind of net formula fluid filtration method and device | |
| CN113560096B (en) | Paint spraying device | |
| CN106039814B (en) | A kind of hollow sheeting filtration washing centrifugal rotation gets rid of slag machine | |
| CN208098395U (en) | A kind of chemical industry vertical centrifugal machine | |
| CN206676559U (en) | A kind of scraper type lower discharging centrifuge | |
| CN206315923U (en) | From washing type hanging bag centrifuge | |
| CN209451442U (en) | A kind of drum filter of belt scraping plate | |
| CN207086138U (en) | The bag-filter type centrifugal machine of scraper discharging | |
| CN215465252U (en) | Horizontal vibration scraper integration analog equipment is clear away to filter cake in pit | |
| CN113754232B (en) | Sludge dewatering equipment for paper mill wastewater treatment | |
| CN216605652U (en) | Unloading centrifuge under clean type bag scraper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |