CN218862563U - Well head rotary dust remover - Google Patents

Abstract

The utility model discloses a rotatory dust remover of well head prevents spouting the unit and links to each other with the dust fall unit, prevents spouting the bottom of unit and fixes on the well head, and the drilling rod inserts and gos deep into the shaft bottom from this dust remover top, and the drilling rod outer wall forms closely to cooperate with rubber seal, and the drilling rod rotates and drives the rotator rotation, forms along with the drilling rod pivoted rotary seal body together. Because the sealing ring, the spacing ring, the sealing rubber ring and the like are matched, the inside of the rotating body is also sealed, so that the dust formed by using high-pressure air drilling is prevented from leaking and diffusing, and the problems of air pollution around a well site and the health of constructors are effectively solved.

Description

Well head rotary dust remover

Technical Field

The utility model relates to a well drilling technical field.

Background

Air drilling is a drilling method using high-pressure air as a rock breaking power and a drilling flushing medium. The well drilling method has the characteristics of high construction speed, good well completion quality, no need of water, convenience in construction and the like, so that the method is adopted by more and more drilling teams. However, when air drilling is carried out, due to the high-frequency impact effect of the down-the-hole hammer, rock soil is broken into fine powder and blown to a wellhead from a bottom of a well under the effect of high-pressure power air, and rock debris carried by air flow is directly ejected from a drainage outlet, so that a serious dust pollution area is formed in a range of tens of meters of the wellhead, and the rock debris is scattered and drifted to zero, thereby seriously affecting the health of constructors and surrounding people.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a rotatory dust remover of well head, its technical scheme is:

the dust-settling dust-prevention device comprises a blowout-prevention unit and a dust-settling unit, wherein the blowout-prevention unit comprises an upper shell, a lower shell and a wellhead connecting seat, the lower shell and the upper shell are coaxially and sequentially detachably connected from bottom to top, the wellhead connecting seat is arranged above a wellhead, and the lower end of the wellhead connecting seat is detachably connected with a pipeline of the wellhead; the lower shell is of a three-way structure, and one side of the lower shell is connected with the dust settling unit; it is characterized in that the preparation method is characterized in that,

the inner side of the main shell is provided with a rotating body, the rotating body is provided with a bearing and a rotating body cover, the rotating body cover is detachably connected with the rotating body, and the inner ring of the bearing is tightly pressed through a space ring II; the lower part of the outer ring of the bearing is supported by a space ring III and a pressure plate;

the sealing rubber ring, the rubber ring frame I, the rubber ring frame II, the rubber ring frame III and the pressing plate are all arranged on the bottom layer in the upper shell, the rubber ring frame I, the rubber ring frame II and the rubber ring frame III are sequentially arranged at the bottom of the pressing plate, and the inner side of the sealing rubber ring is tightly matched with the rotating body;

the rubber sealer is arranged in the rotating body, the top of the rubber sealer is provided with a top plate, and the rubber sealer is detachably connected with the rotating body cover;

the space ring I is detachably connected with the upper shell, and the bottom of one end of the space ring I is tightly pressed on an outer ring of the bearing;

the drill rod passes through the top plate, the rubber sealer and the lower shell in sequence to the inside of the wellhead, and the rubber sealer is installed in a matched mode with the outer wall of the drill rod and rotates along with the rotation of the rotating body.

Further, the detachable connection is a bolt connection or a bolt connection with a matching nut.

Furthermore, a hanging ring is fixedly mounted at the top of the top plate.

The beneficial effects of the utility model are that: the utility model discloses a rotatory dust remover of well head prevents spouting the unit and links to each other with the dust fall unit, prevents spouting the bottom of unit and fixes on the well head, and the drilling rod inserts and gos deep into the shaft bottom from this dust remover top, and the drilling rod outer wall forms closely to cooperate with rubber seal, and the drilling rod rotates and drives the rotator rotation, forms along with the drilling rod pivoted rotary seal body together. Because the sealing ring, the spacing ring, the sealing rubber ring and the like are matched, the inside of the rotating body is also sealed, so that the dust formed by using high-pressure air drilling is prevented from leaking and diffusing, and the problems of air pollution around a well site and the health of constructors are effectively solved.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a sectional view of the present invention;

as shown in the figure, 1 top plate, 2 rubber seal, 3 rotator, 4 rotator covers, 5 space ring I, 6 upper shell, 7 space ring II, 8 space ring III, 9 pressing plate, 10 rubber ring frame I, 11 rubber ring frame II, 12 sealing gasket I, 13 sealing rubber ring, 14 rubber ring frame III, 15 lower shell, 16 sealing gasket II, 17 bolt I, 18 bolt II, 19 grease nipple, 20 bearing, 21 bolt III, 22 bolt IV,23 rings and 24 dust settling pipes.

Detailed description of the preferred embodiments

As shown in the drawing, the utility model discloses a rotatory dust remover of well head comprises roof 1, rubber seal 2, rotator 3, rotator lid 4, spacer ring I5, go up casing 6, spacer ring II 7, spacer ring III 8, clamp plate 9, rubber ring frame I10, rubber ring frame II 11, sealed pad I12, sealed rubber ring 13, rubber ring frame III 14, lower casing 15, sealed pad II 16, bolt I17, bolt II 18, grease nipple 19, bearing 20, bolt III21, bolt IV22 and rings 23.

The top plate 1, the rubber sealer 2, the rotating body 3, the rotating body cover 4, the spacer ring I5, the upper shell 6, the spacer ring II 7, the spacer ring III 8, the pressing plate 9, the rubber ring frame I10, the rubber ring frame II 11, the sealing rubber ring 13, the rubber ring frame III 14, the grease nipple 19, the bearing 20, the bolt III21, the bolt IV22 and the hanging ring 23 jointly form an upper body of the wellhead rotary dust remover.

The upper body of the wellhead rotary dust remover is connected with the lower shell 15 through a bolt II 18 and a sealing gasket I12. The lower shell is of a three-way structure, the upper shell is communicated with the lower shell, one side of the lower shell is integrally connected with a dust falling pipe 24, and one end of the dust falling pipe is fixedly connected with a dust falling unit through a matching bolt and a nut.

And a sealing rubber ring 13, a rubber ring frame I10, a rubber ring frame II 11, a rubber ring frame III 14 and a pressing plate 9 are arranged at the bottom layer in the upper shell 6. The pressing plate 9 tightly presses the rubber ring frame I10, the rubber ring frame II 11, the rubber ring frame III 14 and the sealing rubber ring 13 fixed on the rubber ring frame I14. Wherein the inner side of the sealing rubber ring 13 is tightly matched with the rotating body to prevent dust from overflowing from the outer side of the rotating body 3. The grease nipple is used to supply lubricating oil to the rotary body 3, the seal rubber ring 13, and the bearing 20. A spacer III 8 is mounted above the pressure plate 9 to support the outer race of the bearing 20 and to transmit pressure downwardly to the pressure plate 9.

The rotating body 3 is provided with a bearing 20, a spacer II 7 and a rotating body cover 4. The rotator cover 4 is connected with the rotator 3 through threads, and the inner ring of the bearing 20 is pressed through a space ring II 7.

2 shapes of rubber seal ware are for having mounting flange's cavity solid of revolution structure, for the plug of convenient drilling rod, the hole both ends design into the horn mouth form, middle seal section is straight section, and the material is natural rubber (flange department is lined with the steel sheet), and it installs in the inside of rotator 3 to link together through roof 1 and bolt IV22 and rotator lid 4, and become an organic whole with rotator 3 (2 hole straight section diameters of rubber seal ware are less than the drilling rod diameter slightly, drilling rod and rubber seal ware closely cooperate). The drilling rod passes roof, rubber seal ware, lower casing to well head inside in proper order, and the rubber seal ware matches the installation with the drilling rod outer wall to rotate along with the rotator rotation.

The spacer i 5 is connected to the upper housing 6 by a bolt III21, one end of which is pressed against the outer ring of the bearing 20.

This use novel theory of operation:

when the rotary dust collector is used, the rotary dust collector at the wellhead is fixed on the wellhead by the bolt I17 and the sealing gasket II 16, and the dust collecting pipeline is connected with a dust outlet of the rotary dust collector at the wellhead. The drill rod is inserted into the bottom of the well from the top of the dust remover, the outer wall of the drill rod is tightly matched with the rubber sealing device 2, and the rotating body is driven to rotate to form a rotary sealing body which rotates along with the drill rod. Because the sealing rubber ring 13 and the like are sealed with the rotating body 3 and the sealing rubber ring is also sealed, dust leakage and diffusion caused by drilling by using high-pressure air are avoided, the problem of air pollution around a well site is solved, and the health of construction personnel is ensured.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The wellhead rotary dust remover comprises a blowout prevention unit and a dust falling unit, wherein the blowout prevention unit comprises an upper shell, a lower shell and a wellhead connecting seat, the lower shell and the upper shell are coaxially and sequentially detachably connected from bottom to top, the wellhead connecting seat is arranged above a wellhead, and the lower end of the wellhead connecting seat is detachably connected with a pipeline of the wellhead; the lower shell is of a three-way structure, and one side of the lower shell is connected with the dust settling unit; it is characterized in that the preparation method is characterized in that,

a rotating body (3) is arranged on the inner side of the main shell, a bearing (20) and a rotating body cover (4) are arranged on the rotating body, the rotating body cover (4) is detachably connected with the rotating body (3), and an inner ring of the bearing (20) is tightly pressed through a space ring II (7); the lower part of the outer ring of the bearing (20) is supported by a space ring III (8) and a pressure plate (9);

the sealing rubber ring (13), the rubber ring frame I (10), the rubber ring frame II (11), the rubber ring frame III (14) and the pressing plate (9) are all arranged on the bottom layer in the upper shell (6), the rubber ring frame I (10), the rubber ring frame II (11) and the rubber ring frame III (14) are sequentially arranged at the bottom of the pressing plate (9), and the inner side of the sealing rubber ring (13) is tightly matched with the rotating body (3);

the rubber sealer (2) is arranged inside the rotating body (3), the top of the rubber sealer is provided with the top plate (1) and is detachably connected with the rotating body cover (4);

the space ring I (5) is detachably connected with the upper shell (6), and the bottom of one end of the space ring I is tightly pressed on the outer ring of the bearing (20);

the drill rod passes through the top plate, the rubber sealer and the lower shell in sequence to the inside of the wellhead, and the rubber sealer is installed in a matched mode with the outer wall of the drill rod and rotates along with the rotation of the rotating body.

2. The wellhead rotary precipitator of claim 1, wherein the removable connection is a bolted connection or a bolt and mating nut connection.

3. A wellhead rotary duster according to claim 1, characterized in that a slinger (23) is fixedly mounted on top of said top plate.

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