CN113644775A - Motor sand filtering device for petroleum drilling - Google Patents
Motor sand filtering device for petroleum drilling Download PDFInfo
- Publication number
- CN113644775A CN113644775A CN202111206708.9A CN202111206708A CN113644775A CN 113644775 A CN113644775 A CN 113644775A CN 202111206708 A CN202111206708 A CN 202111206708A CN 113644775 A CN113644775 A CN 113644775A
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- motor
- fixed
- annular rack
- filtering device
- filter screen
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- 239000004576 sand Substances 0.000 title claims abstract description 31
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 239000003208 petroleum Substances 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000533950 Leucojum Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/106—Ring-shaped filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a motor sand filtering device for petroleum drilling, which comprises a base with a bracket, wherein a filtering device is arranged on the bracket; the filter device comprises a left shell and a right shell which are hermetically connected with each other, an inner layer is arranged in the left shell, the inner layer and the left shell form an annular space, and two layers of filter screens are arranged in the right shell; one end of the inner layer is fixed on the inner end face of the left shell, and the other end of the inner layer is fixedly connected with one end of the filter screen; a fan is arranged in the filter screen; and an air outlet is arranged on the side wall of the right shell and is connected to the inlet of the circulating fan of the drilling motor through a pipeline. The invention separates solid and liquid in the air, and filters the sand and soil of the air by using the filter screens with different densities, thereby effectively preventing blockage and cleaning the filter screens at regular intervals; has the advantages of high filtering efficiency and good cleaning effect.
Description
Technical Field
The invention belongs to the technical field of motor sand prevention, and particularly relates to a motor sand filtering device for petroleum drilling.
Background
The oil-well rig field work environment is abominable, in order to satisfy the requirement of on-the-spot explosive gas environment, the ventilation cooling device that slush pump, winch, carousel direct drive direct current motor were equipped with receives sand blown by the wind, snowflake, rainwater factor influence, leads to the fan very easily to be drawn into sand blown by the wind, snowflake, rainwater inside the motor, leads to the motor to burn out, causes huge loss. The Chinese utility model with the publication number of CN211562163U discloses a sand filtering device for an oil drilling motor, which comprises a box body, wherein one side of the upper end of the box body is provided with an air outlet, the lower end of the box body is provided with a sand removing port, and an air inlet is arranged below the air outlet of the side body of the box body; an upper baffle and a lower baffle are also arranged in the box body, the upper baffle is positioned below the air outlet, and the lower baffle is positioned above the sand removing port; and a plurality of filtering devices are uniformly distributed between the upper baffle and the lower baffle. Chinese utility model patent with publication number CN202659490U discloses a motor oil-well pump sand filtering device, including the sand filtering sleeve pipe, the sand filtering sleeve pipe in be equipped with the filter screen pipe, the filter screen pipe front end is provided with the sand bag that sinks, sand filtering sleeve pipe upper end and casing threaded connection, sand filtering sleeve pipe lower extreme is connected with the pump seat through the connector. The solid-liquid-gas separation is realized by centrifugal filtration, but the effect is poor if the common filter screen is too thick, the common filter screen is easy to block if the common filter screen is too thin, the service life is short, and frequent maintenance is needed; in addition, it is difficult to achieve automatic cleaning.
Disclosure of Invention
The invention aims to provide a motor sand filtering device for petroleum drilling, which is used for separating solid from liquid in air, filtering sand and soil in the air by using filter screens with different densities, effectively preventing blockage and cleaning the filter screens regularly.
A motor sand filtering device for petroleum drilling comprises a base with a bracket, wherein a filtering device is arranged on the bracket; the filter device comprises a left shell and a right shell which are hermetically connected with each other, an inner layer is arranged in the left shell, the inner layer and the left shell form an annular space, and two layers of filter screens with different apertures are arranged in the right shell; one end of the inner layer is fixed on the inner end face of the left shell, and the other end of the inner layer is fixedly connected with one end of the filter screen; a fan is arranged in the filter screen; and an air outlet is arranged on the side wall of the right shell and is connected to the inlet of the circulating fan of the drilling motor through a pipeline.
Furthermore, the inner layer can realize a telescopic function, and the telescopic function is realized in a mode of adopting a superposition mode or a corrugated pipe with gradually reduced diameter.
Furthermore, a driving motor is fixed at the end part of one side of the left shell, which is close to the right shell, and a first annular rack is concentrically and rotatably connected to the end surface of the left shell, which is close to the right shell; a first driving gear is fixed on a rotating shaft of the driving motor and is meshed with the first annular rack (the driving motor drives the first annular rack to rotate through the first driving gear); one side that the filter screen is close to right casing terminal surface is equipped with the filter screen flange, is fixed with several lead screws on the filter screen flange, and threaded connection has No. two drive gears on the lead screw, and No. two drive gears are connected with an annular rack toothing (when annular rack rotates, drive No. two drive gears and rotate, and No. two drive gears drive the lead screw casing direction removal left, and then drive the filter screen casing direction removal left, finally for the filter screen together with the lead screw remove extremely annular space in, at this moment, control the casing and can realize the complete segregation).
Furthermore, the side wall of the right shell is rotatably provided with a second annular rack, the second annular rack is connected with a sealing shell through a screw rod in the same mode as the first annular rack (the second annular rack rotates under the drive of power, and then the sealing shell is driven by the screw rod to move and extrude towards the left shell, so that the left shell and the right shell are hermetically connected.
Furthermore, the fan comprises an air supply motor arranged on the end surface of the right shell, an outer blade bracket is directly and fixedly connected to a rotating shaft of the air supply motor, outer blades are fixed on the outer blade bracket, and the outer blades are positioned between the two layers of filter screens; the rotating shaft of the air supply motor is indirectly connected with an inner blade through a reduction gear set, and the inner blade is positioned inside the inner-layer filter screen.
Furthermore, reduction gear group is including fixing the epaxial Y shape frame of air supply motor pivot, and it is connected with three intermediate gear to rotate on the Y shape frame, and the outside meshing of three intermediate gear is connected with No. three annular racks simultaneously, is fixed with the inner vane on No. three annular racks.
Furthermore, a rotating motor is fixed on a support connected with the left shell, and a rotating shaft of the rotating motor is fixedly connected with the left shell.
Furthermore, a cleaning device is also arranged on the base and is positioned on one side of the condensing device; the cleaning device comprises a support fixed on a base, an annular seat is fixed on the support, a fourth annular rack is rotatably connected to the annular seat, a three-fork-shaped strip plate is fixed inside the fourth annular rack, a large gear is arranged at the center of the three-fork-shaped strip plate, and three small gears are meshed with the outer side of the large gear; the large gear and the end part of the three-fork-shaped strip plate are respectively and vertically provided with a water spraying column, the three-fork-shaped strip plate is also vertically provided with three pairs of cleaning wheels, and one of each pair of cleaning wheels is fixed on the small gear; an autorotation motor and a revolution motor are respectively arranged inside and outside the fourth annular rack, the revolution motor is meshed and connected with the fourth annular rack through a third gear, and the autorotation motor is meshed and connected with the large gear through a fourth gear; the cleaning device is connected with an external water source through a water pipe.
The cleaning device comprises a left shell, a right shell, a rotating motor, a cleaning device and a cleaning component, wherein the left shell is provided with a cleaning wheel, the cleaning wheel is provided with a cleaning component, the cleaning wheel is provided with a cleaning motor, the cleaning wheel is provided with a cleaning wheel, the cleaning wheel is provided with a cleaning motor, the cleaning motor is driven by the cleaning wheel, the cleaning motor is driven by the rotating motor and the revolving motor, the cleaning wheel is driven by the rotating motor and the revolving motor, and the cleaning efficiency is greatly improved.
Furthermore, a condensing device is connected in series on the pipeline and is arranged on the base. The outlet of the condensing device is connected with the inlet of a circulating fan of the drilling motor through a flange plate.
The invention has the beneficial effects that: according to the invention, by arranging two layers of filter screens and matching with double wind power with different wind volumes, the problem of easy blockage caused by excessively thin conventional filter screens is avoided while the filtering effect is improved; the filter device is designed into two parts, an integrated closed space is formed during working, the blowing efficiency is increased, the cleaning device and the filter device are arranged separately and are not influenced mutually, the filter device can be separated during cleaning, and the filter screen can be cleaned comprehensively; the fan realizes higher vacuum degree in the filter screen through double fan blades and double wind speeds, and effectively avoids the filter screen from being blocked; the cleaning device can simultaneously realize the performance of integral rotation and main part autorotation, and greatly improves the cleaning effect.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the reverse side of the present invention;
FIG. 3 is a schematic view of a reverse side partial structure of the filter apparatus of the present invention;
FIG. 4 is a schematic front view of a partial configuration of the filter apparatus of the present invention;
FIG. 5 is a schematic view of a filter apparatus of the present invention in reverse detail;
FIG. 6 is a schematic view of the cleaning apparatus of the present invention.
1. The device comprises a base, 2, a support, 3, a left shell, 4, a right shell, 301, an inner layer, 302, a first annular rack, 303, a screw rod, 304, a second driving gear, 305, a driving motor, 306, a first driving gear, 402, a filter screen, 403, a second annular rack, 404, a filter screen flange, 405, an air supply motor, 406, an outer blade support, 407, an outer blade, 408, an inner blade, 409, a Y-shaped frame, 410, a middle gear, 411, a third annular rack, 5, a condensing device, 6, a pipeline, 7, a cleaning device, 701, a support, 702, an annular seat, 703, a fourth annular rack, 704, a three-fork-shaped strip plate, 705, a gearwheel, 706, a pinion, 707, a water spray column, 708, a cleaning wheel, 709, a rotation motor, 710, a revolution motor, 711, a third gear, 712, a fourth gear, 713, a water pipe, 8 and a rotation motor.
Detailed Description
As shown in fig. 1 to 6, a motor sand filtering device for petroleum drilling comprises a base 1 with a bracket 2, wherein the bracket 2 is provided with a filtering device; the filtering device comprises a left shell 3 and a right shell 4 which are hermetically connected with each other, an inner layer 301 is arranged in the left shell 3, the inner layer 301 and the left shell 3 form an annular space, and two layers of filter screens 402 with different apertures are arranged in the right shell 4; one end of the inner layer 301 is fixed on the inner end surface of the left shell 3, and the other end of the inner layer is fixedly connected with one end of the filter screen 402; a fan is arranged in the filter screen 402; and an air outlet is arranged on the side wall of the right shell 4 and is connected to the inlet of a circulating fan of the drilling motor through a pipeline 6. The inner layer 301 can realize a telescopic function, and the telescopic function is realized by adopting a stacking mode or a corrugated pipe mode with gradually reduced diameter.
A driving motor 305 is fixed at the end part of the left shell 3 close to the right shell 4, and a first annular rack 302 is concentrically and rotatably connected to the end surface of the left shell 3 at the side; a first driving gear 306 is fixed on a rotating shaft of the driving motor 305, and the first driving gear 306 is meshed with the first annular rack 302.
The driving motor 305 drives the first annular rack 302 to rotate through the first driving gear 306; one side that filter screen 402 is close to 4 terminal surfaces of right casing is equipped with filter screen flange 404, be fixed with several lead screws 303 on filter screen flange 404, threaded connection has No. two drive gear 304 on the lead screw 303, when No. two drive gear 304 and annular rack 302 meshing are connected annular rack 302 and are rotated, drive No. two drive gear 304 and rotate, No. two drive gear 304 drive lead screw 303 3 direction removal of casing left, and then drive filter screen 402 3 direction removal of casing left, finally, make filter screen 402 move together with lead screw 303 extremely annular space in, at this moment, the casing can realize the complete separation about.
A second annular rack 403 is rotatably arranged on the side wall of the right shell 4, and the second annular rack 403 is connected with a sealing shell 401 through a lead screw 303 in the same way as the first annular rack 302. The second annular rack 403 is driven by power to rotate, and then the seal shell 401 is driven by the lead screw 303 to move and extrude towards the left shell 3, so that the left shell and the right shell are connected in a sealing manner.
The fan comprises an air supply motor 405 arranged on the end surface of the right shell 4, an outer blade bracket 406 is directly and fixedly connected to a rotating shaft of the air supply motor 405, an outer blade 407 is fixed on the outer blade bracket 406, and the outer blade 407 is positioned between two layers of filter screens 402; an inner blade 408 is indirectly connected to a rotating shaft of the blower motor 405 through a reduction gear set, and the inner blade 408 is located inside the inner screen 402. The speed reduction gear set comprises a Y-shaped frame 409 fixed on a rotating shaft of the air supply motor 405, three intermediate gears 410 are rotatably connected to the Y-shaped frame 409, the outer sides of the three intermediate gears 410 are simultaneously meshed with a third annular rack 411, and inner blades 408 are fixed on the third annular rack 411.
A rotating motor 8 is fixed on the bracket 2 connected with the left shell 3, and a rotating shaft of the rotating motor 8 is fixedly connected with the left shell 3. The pipeline 6 is connected with a condensing device 5 in series, and the condensing device 5 is arranged on the base 1. The outlet of the condensing device 5 is connected with the inlet of a circulating fan of the drilling motor through a flange plate.
A cleaning device 7 is also arranged on the base 1, and the cleaning device 7 is positioned on one side of the condensing device 5; the cleaning device 7 comprises a support 701 fixed on the base 1, an annular seat 702 is fixed on the support 701, a fourth annular rack 703 is rotatably connected on the annular seat 702, a three-fork-shaped strip plate 704 is fixed inside the fourth annular rack 703, a large gear 705 is arranged at the center of the three-fork-shaped strip plate 704, and three small gears 706 are meshed outside the large gear 705; a water spray column 707 is vertically arranged on the big gear 705 and the end part of the three-fork-shaped strip-shaped plate 704, three pairs of cleaning wheels 708 are also vertically arranged on the three-fork-shaped strip-shaped plate 704, and one of the cleaning wheels 708 in each pair is fixed on the small gear 706; a rotation motor 709 and a revolution motor 710 are respectively arranged inside and outside the fourth annular rack 703, the revolution motor 710 is meshed with the fourth annular rack 703 through a third gear 711, and the rotation motor 709 is meshed with the large gear 705 through a fourth gear 712; the washing device 7 is connected to an external water source through a water pipe 713.
The working process of the invention is as follows: the device is connected to the inlet of a circulating fan of a drilling motor; the fan 405 in the right shell 4 is opened, cold air is continuously sent into a cooling circulation system of the drilling motor through the pipeline 6, negative pressure is formed in the right shell 4 when the fan 405 supplies air, and fresh cold air enters from an air inlet (a circular air inlet in fig. 1) of the left shell 3; the entering cold air can carry impurities such as gravel and the like, and the impurities can be filtered and adhered to the filter screens when passing through the two filter screens 402 with different pore diameters (similar to the working principle of the filter screens of the kitchen range hoods); because gravel impurities and the like are filtered, circulating cold air sent into the drilling motor becomes cleaner, and the drilling motor cannot be abraded and damaged.
Cold air passing through the filter screen 402 contains water vapor, which, if not removed, can cause rusting and corrosion of drilling motor parts; therefore, the condensing device 5 is arranged on the pipeline, the condensing device 5 can condense water vapor in the cold air into liquid drops, the liquid drops are further separated from the cold air, and only the dry gas is left to enter the circulating system of the drilling motor. The condenser 5 is a general liquefaction/separation unit. After a period of use, as the amount of adhered gravel on the screen 402 increases, the amount of ventilation of the screen 402 decreases, affecting the air supply effect, and at this time, the screen 402 is cleaned. The cleaning process comprises the following steps: the filter screen 402 is first moved into the annular space of the left housing 3 by the drive motor 305, at which time the left and right housings are separated; the rotating motor 8 drives the left shell 3 to rotate 90 degrees downwards, and under the action of gravity, the filter screen 402 extends out of the left shell 3, so that the filter screen 402 is sleeved on the cleaning device 7, and each layer of filter screen 402 is just positioned between the adjacent cleaning wheels 708; because the cleaning device 7 is driven by the rotation motor 709 and the revolution motor 710 respectively, the whole rotation can be realized, and the rotation and double rotation of partial cleaning parts can be realized, so that the cleaning efficiency is greatly improved.
To sum up: the invention filters gravel in the air by combining the fan 405 with the filter screen 402, and liquefies and separates water vapor from the filtered air by the condensing device 5; the gravel stuck to the screen 402 is removed in the cleaning device 7.
Claims (9)
1. A motor sand filtering device for petroleum drilling comprises a base with a support, wherein the support is provided with a filtering device, and the motor sand filtering device is characterized in that the filtering device comprises a left shell and a right shell which are hermetically connected with each other, an inner layer is arranged in the left shell, the inner layer and the left shell form an annular space, and two layers of filter screens with different apertures are arranged in the right shell; one end of the inner layer is fixed on the inner end face of the left shell, and the other end of the inner layer is fixedly connected with one end of the filter screen; a fan is arranged in the filter screen; and an air outlet is arranged on the side wall of the right shell and is connected to the inlet of the circulating fan of the drilling motor through a pipeline.
2. An electro-mechanical sand screen for oil drilling according to claim 1, wherein the inner layer is capable of performing a telescoping function in the form of a bellows or a stack of progressively decreasing diameters.
3. The motor sand filtering device for the oil drilling as claimed in claim 1, wherein a driving motor is fixed at the end part of one side of the left shell close to the right shell, and a first annular rack is concentrically and rotatably connected to the end surface of the left shell; a first driving gear is fixed on a rotating shaft of the driving motor and is meshed and connected with the first annular rack; one side that the filter screen is close to right casing terminal surface is equipped with the filter screen flange, is fixed with several lead screws on the filter screen flange, and threaded connection has No. two drive gear on the lead screw, and No. two drive gear are connected with an annular rack meshing.
4. The motor sand filtering device for oil drilling as claimed in claim 1, wherein a second annular rack is rotatably provided on the side wall of the right casing, and the second annular rack is connected to the sealing housing through a lead screw in the same manner as the first annular rack.
5. The motor sand filtering device for the oil drilling as claimed in claim 1, wherein the fan comprises an air supply motor arranged on the end surface of the right shell, an outer blade bracket is directly and fixedly connected to a rotating shaft of the air supply motor, an outer blade is fixed on the outer blade bracket, and the outer blade is positioned between two layers of filter screens; the rotating shaft of the air supply motor is indirectly connected with an inner blade through a reduction gear set, and the inner blade is positioned inside the inner-layer filter screen.
6. The motor sand filtering device for oil drilling as claimed in claim 5, wherein the reduction gear set comprises a Y-shaped frame fixed on the rotating shaft of the air supply motor, three intermediate gears are rotatably connected to the Y-shaped frame, the outer sides of the three intermediate gears are simultaneously engaged and connected with a third annular rack, and inner blades are fixed on the third annular rack.
7. The motor sand filter for oil drilling as claimed in claim 1, wherein a rotating motor is fixed to a bracket connected to the left housing, and a rotating shaft of the rotating motor is fixedly connected to the left housing.
8. The motor sand filter for oil drilling as claimed in claim 1, wherein a condensing unit is connected in series to the pipeline, and the condensing unit is provided on the base.
9. The motor sand filter for oil drilling as claimed in claim 8, wherein a cleaning means is further provided on the base, the cleaning means being located at a side of the condensing means; the cleaning device comprises a support fixed on a base, an annular seat is fixed on the support, a fourth annular rack is rotatably connected to the annular seat, a three-fork-shaped strip plate is fixed inside the fourth annular rack, a large gear is arranged at the center of the three-fork-shaped strip plate, and three small gears are meshed with the outer side of the large gear; the large gear and the end part of the three-fork-shaped strip plate are respectively and vertically provided with a water spraying column, the three-fork-shaped strip plate is also vertically provided with three pairs of cleaning wheels, and one of each pair of cleaning wheels is fixed on the small gear; an autorotation motor and a revolution motor are respectively arranged inside and outside the fourth annular rack, the revolution motor is meshed and connected with the fourth annular rack through a third gear, and the autorotation motor is meshed and connected with the large gear through a fourth gear; the cleaning device is connected with an external water source through a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206708.9A CN113644775B (en) | 2021-10-18 | 2021-10-18 | Motor sand filtering device for petroleum drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206708.9A CN113644775B (en) | 2021-10-18 | 2021-10-18 | Motor sand filtering device for petroleum drilling |
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| Publication Number | Publication Date |
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| CN113644775A true CN113644775A (en) | 2021-11-12 |
| CN113644775B CN113644775B (en) | 2021-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042353A (en) * | 2021-11-24 | 2022-02-15 | 东营圭璋海洋科技有限公司 | Automatic refining and filtering device for petroleum |
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| CN201184251Y (en) * | 2008-01-29 | 2009-01-21 | 深圳市沃尔奔达新能源股份有限公司 | Electric generating set with sand dust filtering function and sand dust filtering apparatus |
| CN104218738A (en) * | 2014-10-10 | 2014-12-17 | 永济新时速电机电器有限责任公司 | Air-intake and filter device of motor |
| CN207963614U (en) * | 2018-03-08 | 2018-10-12 | 陕西福洛德科技有限公司 | A kind of sand protecting and dust removing device for cooling tower |
| CN209742874U (en) * | 2019-04-11 | 2019-12-06 | 山东地矿新能源有限公司 | Sand separator for exploitation of sandstone heat storage geothermal well |
| CN210949000U (en) * | 2019-12-10 | 2020-07-07 | 大唐滑县风力发电有限责任公司 | Cooling and air guiding device of wind generating set |
| CN213090525U (en) * | 2020-09-07 | 2021-04-30 | 无锡沅江传热系统有限公司 | Sand-proof dust removal device for cooling tower |
| CN113067429A (en) * | 2021-02-26 | 2021-07-02 | 西安中车永电捷力风能有限公司 | Cooling noise reduction structure and wind driven generator |
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| CN114042353A (en) * | 2021-11-24 | 2022-02-15 | 东营圭璋海洋科技有限公司 | Automatic refining and filtering device for petroleum |
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