CN112516661B - Electric high-frequency vibration negative pressure sieve bed - Google Patents

Electric high-frequency vibration negative pressure sieve bed Download PDF

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Publication number
CN112516661B
CN112516661B CN202110083152.2A CN202110083152A CN112516661B CN 112516661 B CN112516661 B CN 112516661B CN 202110083152 A CN202110083152 A CN 202110083152A CN 112516661 B CN112516661 B CN 112516661B
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China
Prior art keywords
sieve bed
negative pressure
vibration
vibrating
high frequency
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CN202110083152.2A
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Chinese (zh)
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CN112516661A (en
Inventor
何德麟
周代川
谭培
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Chengdu West Petroleum Equipment Co ltd
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Chengdu West Petroleum Equipment Co ltd
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    • 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
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • 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
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • B01D33/0376—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported
    • 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
    • B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
    • B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
    • B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
    • B01D33/0376—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported
    • B01D33/0384—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • 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
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • 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
    • B01D33/80—Accessories
    • 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
    • B01D33/80—Accessories
    • B01D33/82—Means for pressure distribution
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065—Separating solids from drilling fluids

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  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Earth Drilling (AREA)

Abstract

The invention provides an electric high-frequency vibrating negative pressure sieve bed, which solves the technical problem of poor solid-liquid separation effect of a vibrating sieve. The device comprises a sieve bed and a negative pressure vacuum device (15) connected with the sieve bed, wherein the sieve bed is also connected with a vibrating device; the vibration device comprises a vibration bench (2); at least one electric vibrator (1) is fixed on the vibration bench (2); the vibrating bench (2) is sequentially connected with a sieve bed and a bracket (14) through a guide post (3); a spring (4) is arranged on the guide post (3) between the vibrating rack (2) and the sieve bed; the spring (4) is externally wrapped with an elastic sealing sleeve. The vibrating device transmits high-frequency vibration to the drilling fluid through the sieve bed, so that the drilling fluid is separated from drill cuttings; the negative pressure vacuum device (15) forms negative pressure of a local space under the screen, sucks drilling fluid, and cooperates with vibration to separate drilling cuttings from the drilling fluid.

Description

Electric high-frequency vibration negative pressure sieve bed
Technical Field
The invention relates to equipment for solid-liquid separation, in particular to an electric high-frequency vibration negative pressure sieve bed.
Background
In the exploration and development process of petroleum and natural gas, drilling fluid discharged from a wellhead contains a large amount of drilling cuttings, a part of drilling fluid is adsorbed on the drilling cuttings, so that the part of drilling fluid is abandoned, and in order to solve the problem, a vibrating screen is used as a first solid-liquid separation link for the drilling cuttings and the drilling fluid.
A drilling fluid treatment apparatus and method of application number CN201410339891.3, the apparatus comprising a vibrating screen for solid-liquid separation of used drilling fluid and discharging the separated solid phase to a conveyor, and conveying the separated mud to a desander; the sand remover is used for carrying out solid-liquid separation on the slurry, discharging the separated solid phase to the conveyor, and conveying the separated liquid phase to a drilling fluid preparation tank so as to prepare new drilling fluid; and the conveyor is used for conveying the solid phase discharged by the vibrating screen and the solid phase discharged by the sand remover to a storage pool for recycling.
The vibrating screen can not thoroughly separate solid from liquid of drilling cuttings in drilling fluid, and a sand remover is required to carry out secondary treatment.
Disclosure of Invention
The invention aims to provide an electric high-frequency vibrating negative pressure sieve bed so as to solve the technical problem of poor solid-liquid separation effect of a vibrating sieve in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an electric high-frequency vibrating negative pressure sieve bed comprises a sieve bed and a negative pressure vacuum device connected with a screen, wherein the negative pressure vacuum device forms a negative pressure state of the sieve bed, and the sieve bed is also connected with a vibrating device; the vibration device comprises a vibration bench; at least one electric vibrator is fixed on the vibration bench; the vibrating bench is sequentially connected with a sieve bed and a bracket through guide posts; a spring is arranged on the guide post between the vibrating rack and the sieve bed; the spring is wrapped with an elastic sealing sleeve.
Optionally or preferably, the sieve bed is provided with a frame for connecting the guide posts; a motor reducer is fixed at one end of the frame; the output end of the motor speed reducer is connected with a driving sprocket; the other end of the frame is connected with a driven sprocket; the driving chain wheel and the driven chain wheel are connected with a drag chain; the drag chain is connected with a screen.
Alternatively or preferably, the upper plane of the bracket is closely attached to the lower plane of the upper drag chain.
Optionally or preferably, the vibration frequency generated by the electric vibrator is 70-90 hertz.
Optionally or preferably, a closed bottom shell is arranged around and at the bottom of the frame.
Optionally or preferably, a flange opening communicated with the negative pressure vacuum device is arranged on the bottom shell.
Alternatively or preferably, both ends of the elastic sealing sleeve are respectively fixed on the frame and the vibration bench.
Optionally or preferably, the sieve bed is also provided with a mud box and a mud distributing device.
Alternatively or preferably, two ends of the slurry distribution device are respectively communicated with the slurry box and the screen.
Optionally or preferably, a flange interface is provided on the mud box.
Based on the technical scheme, the invention can produce the following technical effects:
in the invention, the vibration device transmits high-frequency low-amplitude vibration to the drilling fluid through the sieve bed, so that the drilling fluid is separated from drill cuttings; the negative pressure vacuum device forms the negative pressure of a local space under the screen, sucks drilling fluid, and cooperates with vibration to separate drilling cuttings from the drilling fluid.
Drawings
FIG. 1 is a schematic view of an assembly of a sieve bed and a vibratory apparatus in an embodiment of the invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 with the transmission member removed;
fig. 4 is a schematic structural view of the bracket.
In the figure: 1. an electric vibrator; 2. a vibrating table frame; 3. a guide post; 4. a spring; 5. a frame; 6. a drag chain; 7. a drive sprocket; 8. a motor speed reducer; 9. a bottom case; 10. a flange opening; 11. a driven sprocket; 12. a mud box; 13. a pulp distribution device; 14. a bracket; 15. a negative pressure vacuum device; 16. and a flange interface.
Detailed Description
As shown in fig. 1 to 4, the invention provides an electric high-frequency vibration negative pressure sieve bed, which comprises a sieve bed and a negative pressure vacuum device connected with the sieve bed, wherein the negative pressure vacuum device forms a negative pressure state of the sieve bed; the sieve bed is also connected with a vibrating device; the vibration device comprises a vibration bench 2; at least one electric vibrator 1 is fixed on the vibration bench 2, when one electric vibrator 1 is fixed, the vibration track is circular, and when two electric vibrators 1 are fixed, the vibration track is linear; the vibrating bench 2 is sequentially connected with a sieve bed and a bracket 14 through a guide post 3; a spring 4 is arranged on the guide post 3 between the vibration table frame 2 and the sieve bed to play a supporting role; the spring 4 is wrapped with an elastic sealing sleeve, and an elastic rubber sealing sleeve is selected in the embodiment of the invention.
As an alternative embodiment, the sieve bed is provided with a frame 5 for connecting the guide posts 3; a motor reducer 8 is fixed at one end of the frame 5; the output end of the motor reducer 8 is connected with a driving sprocket 7; the other end of the frame 5 is connected with a driven sprocket 11; the driving chain wheel 7 and the driven chain wheel 11 are connected with a drag chain 6; the drag chain 6 is connected with a screen; the motor reducer drives the driving sprocket 7, and the driving sprocket 7 drives the drag chain 6 to rotate around the driving sprocket 7 and the driven sprocket 11, so that the drag chain 6 is driven to rotate, and drilling fluid containing drill cuttings is driven to move from one end to the other end.
As an alternative embodiment, the upper plane of the carriage 14 runs against the lower plane of the upper drag chain 6, ensuring that vibration can be transferred from the carriage 14 to the drag chain 6, thereby freeing drilling fluid from cuttings.
As an optional implementation manner, the vibration frequency generated by the electric vibrator 1 is 70-90 hz, and the separation effect of drilling fluid is enhanced through high-frequency vibration; the electric vibrator 1 may be connected to a controller, and the frequency of the electric vibrator 1 may be controlled by the controller.
As an alternative implementation manner, a closed bottom shell 9 is arranged at the periphery and the bottom of the frame 5, so that the suction effect of the negative pressure vacuum device 15 is ensured, and a discharge channel is provided for air and screened drilling fluid, and steel plates are welded at the periphery and the bottom of the frame 5 in the embodiment of the invention.
As an alternative embodiment, the bottom shell 9 is provided with a flange opening 10 communicated with a negative pressure vacuum device 15, so as to provide a discharge channel for air and screened drilling fluid.
As an alternative embodiment, the two ends of the elastic sealing sleeve are respectively fixed on the frame 5 and the vibration bench 2, so as to play a role in space isolation and sealing.
As an alternative embodiment, the sieve bed is further provided with a mud box 12 and a mud distributing device 13 for introducing and uniformly distributing drilling fluid containing drill cuttings.
As an alternative embodiment, two ends of the slurry distributing device 13 are respectively connected to the slurry box 12 and the screen, and a plurality of slurry distributing rails are arranged on the slurry distributing device 13 to uniformly distribute the drilling fluid containing drill cuttings in the slurry box 12 to the screen.
As an alternative embodiment, the mud box 12 is provided with a flange joint 16, and the flange joint 16 is connected with an external pipeline and is input into the mud box 12 through the flange joint 16.
The working process of the invention is as follows:
drilling fluid containing drill cuttings enters the mud box 12 from the flange joint 16, then enters the slurry distributing device 13 through the mud box 12, and the slurry distributing device 13 distributes the drilling fluid containing drill cuttings on a screen uniformly; the motor reducer 8 is started, and the drag chain 6 rotates around the driving sprocket 7 and the driven sprocket 11; drilling fluid containing drill cuttings moves from one end of the sieve bed to the other end along with the rotation of the drag chain 6; the electric vibrator 1 is started to generate high-frequency vibration of 70-90 Hz, the high-frequency vibration is transmitted to the drag chain 6 at the upper end of the bracket 14 through the vibration rack 2, the guide post 3 and the bracket 14, and the drilling fluid is separated from drill cuttings by the high-frequency vibration; the negative pressure vacuum device 15 is started, the drilling fluid after the drill cuttings are separated passes through the screen mesh and the drag chain 6 under the action of negative pressure and self gravity, and after passing through the flange port 10, gas enters the negative pressure vacuum device 15, and the drilling fluid can flow into the mud tank from the liquid discharge port; the remaining cuttings move with the screen and are discharged from the front end of the screen.

Claims (8)

1. The utility model provides an electronic high frequency vibration negative pressure sieve bed, includes sieve bed and negative pressure vacuum apparatus (15) that are connected with sieve bed, its characterized in that: the sieve bed is also connected with a vibrating device; the vibration device comprises a vibration bench (2); at least one electric vibrator (1) is fixed on the vibration bench (2); the vibrating bench (2) is sequentially connected with a sieve bed and a bracket (14) through a guide post (3); a spring (4) is arranged on the guide post (3) between the vibrating rack (2) and the sieve bed; the spring (4) is externally wrapped with an elastic sealing sleeve; the sieve bed is provided with a frame (5) for connecting the guide posts (3); one end of the frame (5) is fixed with a motor reducer (8); the output end of the motor reducer (8) is connected with a driving chain wheel (7); the other end of the frame (5) is connected with a driven sprocket (11); the driving chain wheel (7) and the driven chain wheel (11) are connected with a drag chain (6); the drag chain (6) is connected with a screen; the upper plane of the bracket (14) is closely attached to the lower plane of the upper drag chain (6).
2. An electric high frequency vibratory negative pressure sieve bed according to claim 1, wherein: the vibration frequency generated by the electric vibrator (1) is 70-90 Hz.
3. An electric high frequency vibratory negative pressure sieve bed according to claim 1, wherein: the periphery and the bottom of the frame (5) are provided with a closed bottom shell (9).
4. An electric high frequency vibratory negative pressure sieve bed according to claim 3, wherein: the bottom shell (9) is provided with a flange opening (10) communicated with a negative pressure vacuum device (15).
5. An electric high frequency vibratory negative pressure sieve bed according to claim 1, wherein: the two ends of the elastic sealing sleeve are respectively fixed on the frame (5) and the vibration bench (2).
6. An electric high frequency vibratory negative pressure sieve bed according to claim 1, wherein: the sieve bed is also provided with a mud box (12) and a mud distributing device (13).
7. An electric high frequency vibratory negative pressure sieve bed according to claim 6, wherein: two ends of the slurry distribution device (13) are respectively communicated with the slurry box (12) and the screen.
8. An electric high frequency vibratory negative pressure sieve bed according to claim 7, wherein: the mud box (12) is provided with a flange interface (16).
CN202110083152.2A 2021-01-21 2021-01-21 Electric high-frequency vibration negative pressure sieve bed Active CN112516661B (en)

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CN112516661B true CN112516661B (en) 2023-05-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104001665A (en) * 2014-06-11 2014-08-27 长江大学 Band type linear vibrating screen
WO2015081200A1 (en) * 2013-11-26 2015-06-04 M-I L.L.C. Apparatus, system and method for separating components of a slurry
CN205270121U (en) * 2015-12-15 2016-06-01 府谷县鑫兴泰农贸有限公司 Forage grass grass seeds separator
CN205949279U (en) * 2016-07-26 2017-02-15 深圳市福盈混凝土有限公司 Vibrating screen
CN207576913U (en) * 2017-11-27 2018-07-06 江西石城县永盛选矿设备制造有限公司 A kind of de-dusting type vibrating screen
CN108553993A (en) * 2018-05-17 2018-09-21 陈鑫 One kind being used for oil exploitation vibrating type filtering equipment
CN209959195U (en) * 2019-05-28 2020-01-17 默泰克（天津）石油装备有限公司 Novel drilling machine liquid vibrating screen
CN211035822U (en) * 2019-11-03 2020-07-17 张涛涛 Solid-liquid separation device for oil production plant
CN112122090A (en) * 2020-10-12 2020-12-25 濮阳市中原锐实达石油设备有限公司 Solid-liquid-gas separation integrated screen for drilling mud

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US7740021B2 (en) * 2006-02-17 2010-06-22 Rng Oilfield Sales & Service, Llc Methods and apparatus for cleaning screens used in solid/liquid separations in oilfield operations
US8613360B2 (en) * 2006-09-29 2013-12-24 M-I L.L.C. Shaker and degasser combination
CN205887426U (en) * 2016-07-26 2017-01-18 成都西部石油装备股份有限公司 Double -deck operation shale shaker
CN106955840B (en) * 2017-05-08 2023-02-03 长江大学 Vibrating screen for drilling fluid mud
CN108854226A (en) * 2018-09-11 2018-11-23 青岛核盛智能环保设备有限公司 Vacuum vibration dewatering filter
CN110578484A (en) * 2019-10-11 2019-12-17 西南石油大学 Drilling cutting liquid-containing decrement device based on pulsating negative pressure and vibration screening

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015081200A1 (en) * 2013-11-26 2015-06-04 M-I L.L.C. Apparatus, system and method for separating components of a slurry
CN104001665A (en) * 2014-06-11 2014-08-27 长江大学 Band type linear vibrating screen
CN205270121U (en) * 2015-12-15 2016-06-01 府谷县鑫兴泰农贸有限公司 Forage grass grass seeds separator
CN205949279U (en) * 2016-07-26 2017-02-15 深圳市福盈混凝土有限公司 Vibrating screen
CN207576913U (en) * 2017-11-27 2018-07-06 江西石城县永盛选矿设备制造有限公司 A kind of de-dusting type vibrating screen
CN108553993A (en) * 2018-05-17 2018-09-21 陈鑫 One kind being used for oil exploitation vibrating type filtering equipment
CN209959195U (en) * 2019-05-28 2020-01-17 默泰克（天津）石油装备有限公司 Novel drilling machine liquid vibrating screen
CN211035822U (en) * 2019-11-03 2020-07-17 张涛涛 Solid-liquid separation device for oil production plant
CN112122090A (en) * 2020-10-12 2020-12-25 濮阳市中原锐实达石油设备有限公司 Solid-liquid-gas separation integrated screen for drilling mud

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