CN209568990U - Gas blowout preventer - Google Patents

Gas blowout preventer Download PDF

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Publication number
CN209568990U
CN209568990U CN201920186426.9U CN201920186426U CN209568990U CN 209568990 U CN209568990 U CN 209568990U CN 201920186426 U CN201920186426 U CN 201920186426U CN 209568990 U CN209568990 U CN 209568990U
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CN
China
Prior art keywords
cylinder
blowout preventer
gas blowout
drilling
connector
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.)
Expired - Fee Related
Application number
CN201920186426.9U
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Chinese (zh)
Inventor
张猛
范成林
覃乐
杜晓勇
钟定云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Guangchuang Industry And Trade Co Ltd
Original Assignee
Chongqing Guangchuang Industry And Trade Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Chongqing Guangchuang Industry And Trade Co Ltd filed Critical Chongqing Guangchuang Industry And Trade Co Ltd
Priority to CN201920186426.9U priority Critical patent/CN209568990U/en
Application granted granted Critical
Publication of CN209568990U publication Critical patent/CN209568990U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of gas blowout preventers, including the blending agent catcher with slagging channel, the blending agent catcher includes the inner cylinder that main body is located in drilling, the sliding of inner cylinder periphery is equipped with outer cylinder, inner cylinder inner end is formed with inverted cone surface expansion set, and inverted cone surface expansion set small end is towards drilling orifice;Outer cylinder inner end is fixedly connected with gum cover, forms sealing and swelling after gum cover can be swollen by the inverted cone surface expansion set and with drill hole inner wall;The inner barrel and outer barrel, which is located between two outer ends outside drilling, is formed with cotter mechanism, which is used to drive the inner cylinder mobile by tapping chock, to expand the gum cover by inverted cone surface expansion set, and is formed and is fixed to the swelling of the drilling.It is preferred that blending agent catcher is connected with the dirt trap of stretching structure by round connecting cylinder.The utility model has the beneficial effects that blending agent trap structure is simple, is convenient to mount and dismount, collection space volume can adjust as needed, and convenient transportation, and manufacturing cost is low, and separation function is reliable.

Description

Gas blowout preventer
Technical field
The utility model relates to the hole sealing technology of coal bed gas extraction technical field, especially a kind of gas blowout preventer.
Background technique
At present there is serious spray and bore phenomenon, cause return side dust concentration big in many mines during drilling construction.For This, those skilled in the art has developed a kind of gas-slag separation integration for coal mine down-hole drilling and faces picking device.This faces pumping Device mainly captures cylinder by dust gas and aqueous vapor slag separator box forms, wherein captures cylinder by concentric inner barrel and outer barrel group At capturing and be connected with dustproof spray water pipe on cylinder, capture cylinder and protrude into drilling hole, aqueous vapor slag separator box is located at outside hole, aqueous vapor slag The device in Gas outlet of separator box is connected to having the gas exhaust pipe of subnormal ambient, when drilling contain the gas gaseous mixture of dust from Sleeve enters aqueous vapor slag separator box under the action of negative pressure after spraying humidification together with gas, and dust is by gravity after humidification Naturally tenesmus deposition, water are discharged from discharge outlet, and gas enters gas exhaust pipe under the action of negative pressure and is collected, to realize coal mine The Regional of down-hole drilling.When the catcher not only successfully solves construction drill, the big problem of return side dust concentration, also By the drill guide bore being arranged on rotary head, drill bit is avoided to contact with inner cylinder and rotate with drill bit, is eliminated thus effective Sealing device earlier period damage hidden danger caused by being rotated because of inner cylinder.But since existing catcher is to be fixed on drilling hole by outer cylinder Mouthful, it is fixed using flange and expansion bolt, is fixedly connected with, low efficiency cumbersome with dismantling operation, the time is long.In addition, existing Aqueous vapor slag separator box is rigid structure, and volume is smaller and immobilizes, and in drilling biggish for dust, is filled with quickly in case Dust and be difficult to normally play a role.For this reason, it may be necessary to be improved to aqueous vapor slag separator box.
Summary of the invention
The purpose of this utility model deficiency inconvenient aiming at catcher in the prior art assembly and disassembly, provides a kind of knot The gas blowout preventer that structure is simple, is convenient to mount and dismount.
To realize foregoing purpose, the utility model adopts the following technical solution.
A kind of gas blowout preventer, including the blending agent catcher with slagging channel, the blending agent catcher It is located at the inner cylinder in drilling including main body, the sliding of inner cylinder periphery is equipped with outer cylinder, and inner cylinder inner end is formed with inverted cone surface expansion set, inverted cone surface Expansion set small end is towards drilling orifice;Outer cylinder inner end is fixedly connected with gum cover, gum cover can be swollen by the inverted cone surface expansion set after simultaneously Sealing and swelling are formed with drill hole inner wall;The inner barrel and outer barrel, which is located between two outer ends outside drilling, is formed with voussoir machine Structure, which is used to drive the inner cylinder mobile by tapping chock, to expand the gum cover, and shape by inverted cone surface expansion set The swelling of the pairs of drilling is fixed.
Using the utility model of preceding solution, blending agent catcher is captured in boring procedure by inner cylinder and is generated The blending agents such as dust, gas and water.Blending agent catcher is swollen after gum cover by the face that moves back towards of inner cylinder, is made gum cover and is bored The tensioning of hole inner wall, so that the expansion type for forming blending agent catcher and drilling is fixed, the movement of inner cylinder is by tapping voussoir machine The chock of structure can be realized easily, and cotter mechanism is located between the inner/outer tube exposed parts outside aperture.It is flutterred in assembly and disassembly When catching device, only need to tap chock can fix or remove.Its structure is simple and convenient to operate, and disassembly efficiency is high.
Preferably, the cotter mechanism includes chock, and chock is movably located in wedge slot, and wedge slot is located on locking frame, Locking frame is helped the outer wall in outer cylinder and is upwardly extended, and locks and is additionally provided with the locking screw for locking the chock on frame;The inner cylinder On be welded with ring frame, radially extended engaging lug on ring frame, offered on engaging lug and being worn across the locking frame Hole;The a part of the wedge slot in the height direction is blocked by the engaging lug.When catcher is fixed or is removed, two of chock Locking working face one side is abutted with locking frame, and another side is abutted with engaging lug, so that inner/outer tube be made to form relative movement.Wherein, Frame is locked, chock and engaging lug press symmetrical two settings, accept uniformly so that inner cylinder is mobile, locking and unlocking movement spirit It is living, no card resistance.To prevent chock during driller from loosening, locking screw preferably is set on locking frame, with locking fixed wedge.
Preferably, the slagging channel of the blending agent catcher is connected to horizontally disposed round connecting cylinder, and circle is even Connect cylinder both ends nozzle is connected separately with the first dirt trap and the second dirt trap, and the first dirt trap and the second dirt trap are in telescoping tube Structure, the free end nozzle closing of the first dirt trap, the free end nozzle of the second dirt trap are connected to mine return air pipe.By circle The dirt trap of connecting cylinder and two flexible pipe structures composition, round connecting cylinder are connect with the slagging channel of blending agent catcher; Wherein, the free end nozzle closing in a dirt trap, the free end nozzle of another dirt trap are connected to mine return air pipe.From And utilize return air negative pressure by dust collection in gas-slag separation device.The dust collection space of separator is constituted mainly by two collection slags Device provides, and two dirt traps are in telescoping tube type structure, and therefore, inner space is relatively large, and volume can be according to need It is reduced or is expanded, expanded with being stretched out when collecting dust, increased dust collection amount, avoid frequently removing the gred, improve drilling Efficiency;It shrinks and becomes smaller in transhipment, be readily transported.
It is further preferred that being equipped with the first connector and the second connector, the first connector and second at the top of the circle connecting cylinder Connector passes through be connected to inside corresponding outlet and round connecting cylinder, the import of the first connector pass through main deslagging hose with mix Jie The main slag-drip opening of matter catcher is connected to;The second interface of second connector is auxiliary by auxiliary deslagging hose and blending agent catcher Slag-drip opening is helped to be connected to.To form the two-way dust collection channel of dual fail-safe, it is ensured that blending agent catcher deslagging is unobstructed, guarantees to bore Hole persistently carries out, and improves drilling efficiency.
Still more preferably, first connector and the second connector are in three-port structure;The first interface of the threeway The inlet and outlet is respectively constituted with second interface, the third interface of threeway constitutes in line mouth, and three of the threeway connect Control valve is equipped on mouthful.It, can also be by any channel or two to form single channel or binary channels dust collection by control valve Channel is set as in line channel, carries out dust removing to gas-slag separation device so as not to stop boring.
Still further preferably, the control valve is Hand-operated butterfly valve.Ensure reliability by manual operation, eliminates automatically controlled system The hidden danger of system poor reliability under dirty environment.
It is further preferred that the circle connecting cylinder lower part is equipped with discharge tube, the input end of discharge tube is equipped with strainer, discharges water The outlet end of pipe is equipped with connecting flange.With the ponding being discharged in gas-slag separation device, to form air water slag three phase separation effect.
Still more preferably, the input end of the discharge tube is welded with strainer baffle;The strainer passes through pressing plate and spiral shell Line fastener pressing is on the strainer baffle.It is discharged from discharge tube to avoid dust, eliminates or reduce drainage channel blocking Hidden danger.
It is further preferred that the circle connecting cylinder includes circular cylinder body, the two sides of circular cylinder body are respectively equipped with two branch The end of leg, two supporting legs is fixedly connected on angle steel;It is oppositely arranged on the inside of two angle steel.To be formed to round connecting cylinder Firm support construction, and be oppositely arranged on the inside of two angle steel, it can be ensured that the horizontally-supported side of angle steel is not exposed, eliminates angle steel branch Support the exposed existing security risk in side.
Still more preferably, the supporting leg is made of round tube;Supporting leg both ends, which are all made of, to be welded and fixed;The circular cylinder body On be welded with shoe and assist;The supporting leg is welded on the shoe and assists, supporting leg by the shoe assist with it is described Circular cylinder body is fixedly connected.Biggish supporting section is formed with less material consumption, improves stability of strutting system;And utilize construction Simply, convenient and firm and reliable connection welding manner, reduces manufacturing cost;And to improve circular cylinder body strong by assisting mode Degree reduces cylinder wall thickness, saves material.
The beneficial effect of the utility model compared with prior art is that blending agent trap structure is simple, is convenient to mount and dismount, Collection space volume can adjust as needed, and convenient transportation, and manufacturing cost is low, and separation function is reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of blending agent catcher in the utility model.
Fig. 3 is the partial structure diagram of blending agent catcher in the utility model.
Fig. 4 is A in the utility model Fig. 2 to partial schematic diagram.
Fig. 5 is the structural schematic diagram of round connecting cylinder in the utility model.
Fig. 6 is A in the utility model Fig. 2 to partial view.
Fig. 7 is B in the utility model Fig. 2 to partial view.
Fig. 8 is C in the utility model Fig. 2 to partial view.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, but is not therefore limited in the utility model described Scope of embodiments among.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of gas blowout preventer, including the blending agent catcher with slagging channel 5, the blending agent catcher 5 includes the inner cylinder 51 that main body is located in drilling, and the sliding of 51 periphery of inner cylinder is equipped with outer cylinder 52, inner cylinder 51 inner ends are formed with inverted cone surface expansion set 51a, and inverted cone surface expansion set 51a small end is towards drilling orifice;52 inner end of outer cylinder is fixedly connected with Gum cover 53 forms sealing and swelling after gum cover 53 can be swollen by the inverted cone surface expansion set 51a and with drill hole inner wall;The inner cylinder 51 and outer cylinder 52 be located between two external outer ends of drilling and be formed with cotter mechanism, which is used for through percussion chock The 54 driving inner cylinders 51 are mobile, and to expand the gum cover 53 by inverted cone surface expansion set 51a, and the swelling formed to the drilling is solid It is fixed.
Wherein, inverted cone surface expansion set 51a is in the elastic expansion sleeve structure of more valves, and the cotter mechanism includes chock 54, chock 54 It is movably located in wedge slot, wedge slot is located on locking frame 55, and locking frame 55 is helped the outer wall in outer cylinder 52 and upwardly extended, and is locked The locking screw 57 of chock 54 described in tightening is additionally provided on frame 55;Ring frame 56, ring frame are welded on the inner cylinder 51 Engaging lug has been radially extended on 56, and the perforation across the locking frame 55 is offered on engaging lug;The wedge slot is in short transverse On a part blocked by the engaging lug.The slagging channel of the blending agent catcher 5 is connect with horizontally disposed circle Cylinder 1 is connected to, and round 1 both ends nozzle of connecting cylinder is connected separately with the first dirt trap 7 and the second dirt trap 8, the first dirt trap 7 and the Two dirt traps 8 are in flexible pipe structure, and the free end nozzle of the first dirt trap 7 is closed, the free end nozzle of the second dirt trap 8 with The connection of mine return air pipe.It is equipped with the first connector 2 and the second connector 3 at the top of the circle connecting cylinder 1, the first connector 2 and second connects First 3 inside corresponding outlet and round connecting cylinder 1 by being connected to, the import of the first connector 2 pass through main deslagging hose 4 with mix The main slag-drip opening of media capture device 5 is connected to;The second interface of second connector 3 is captured by auxiliary deslagging hose 6 and blending agent The auxiliary slag-drip opening of device 5 is connected to.And first connector 2 and the second connector 3 be in three-port structure;The first interface and of two threeways Two interfaces respectively constitute the inlet and outlet, and the third interface of two threeways constitutes in line mouth, and three of the threeway connect The control valve 9 of Hand-operated butterfly valve is equipped on mouth.Circle 1 lower part of connecting cylinder is equipped with discharge tube 10, the input end of discharge tube 10 Equipped with strainer, the outlet end of discharge tube 10 is equipped with connecting flange 13;The input end of discharge tube 10 is welded with strainer baffle 11;It is described Strainer is by pressing plate 12 and threaded fastener pressing on the strainer baffle 11.
The circle connecting cylinder 1 includes circular cylinder body, and the two sides of circular cylinder body are respectively equipped with two supporting legs 14, two supporting legs 14 end is fixedly connected on angle steel 15;It is oppositely arranged on the inside of two angle steel 15.Wherein, supporting leg 14 is made of round tube; 14 both ends of supporting leg, which are all made of, to be welded and fixed;It is also welded with shoe on circular cylinder body and assists 16;The supporting leg 14 is welded on institute It states shoe to assist on 16, supporting leg 14 is assisted 16 by the shoe and is fixedly connected with the circular cylinder body.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (10)

1. a kind of gas blowout preventer, including the blending agent catcher (5) with slagging channel, which is characterized in that described mixed Closing media capture device (5) includes the inner cylinder (51) that main body is located in drilling, and the sliding of inner cylinder (51) periphery is equipped with outer cylinder (52), inner cylinder (51) inner end is formed with inverted cone surface expansion set (51a), and inverted cone surface expansion set (51a) small end is towards drilling orifice;Outer cylinder (52) inner end is solid Surely it is connected with gum cover (53), forms sealing after gum cover (53) can be swollen by the inverted cone surface expansion set (51a) and with drill hole inner wall And swelling;The inner cylinder (51) and outer cylinder (52), which are located between two outer ends outside drilling, is formed with cotter mechanism, the voussoir Mechanism is used to drive the inner cylinder (51) mobile by tapping chock (54), to expand the gum cover by inverted cone surface expansion set (51a) (53), and the swelling of the drilling is fixed in formation.
2. gas blowout preventer according to claim 1, which is characterized in that the cotter mechanism includes chock (54), wedge Sub (54) movably are located in wedge slot, and wedge slot is located in locking frame (55), locking frame (55) help outer cylinder (52) outer wall simultaneously It upwardly extends, is additionally provided with the locking screw for locking the chock (54) in locking frame (55);It is welded and fixed on the inner cylinder (51) Have ring frame (56), engaging lug has been radially extended on ring frame (56), is offered on engaging lug across locking frame (55) Perforation;The a part of the wedge slot in the height direction is blocked by the engaging lug.
3. gas blowout preventer according to claim 1, which is characterized in that the deslagging of the blending agent catcher (5) Channel is connected to horizontally disposed round connecting cylinder (1), and round connecting cylinder (1) both ends nozzle is connected separately with the first dirt trap (7) and the second dirt trap (8), the first dirt trap (7) and the second dirt trap (8) are in flexible pipe structure, the first dirt trap (7) The closing of free end nozzle, the free end nozzle of the second dirt trap (8) are connected to mine return air pipe.
4. gas blowout preventer according to claim 3, which is characterized in that be equipped with the at the top of circle connecting cylinder (1) One connector (2) and the second connector (3), the first connector (2) and the second connector (3) pass through corresponding outlet and round connecting cylinder (1) import of internal connection, the first connector (2) is connected by the main slag-drip opening of main deslagging hose (4) and blending agent catcher (5) It is logical;The second interface of second connector (3) is connected by the auxiliary slag-drip opening of auxiliary deslagging hose (6) and blending agent catcher (5) It is logical.
5. gas blowout preventer according to claim 4, which is characterized in that first connector (2) and the second connector (3) It is in three-port structure;The first interface and second interface of the threeway respectively constitute the inlet and outlet, and the third of threeway connects Mouth constitutes in line mouth, and control valve (9) are equipped on three interfaces of the threeway.
6. gas blowout preventer according to claim 5, which is characterized in that the control valve (9) is Hand-operated butterfly valve.
7. gas blowout preventer according to claim 3, which is characterized in that circle connecting cylinder (1) lower part, which is equipped with, puts Water pipe (10), the input end of discharge tube (10) are equipped with strainer, and the outlet end of discharge tube (10) is equipped with connecting flange (13).
8. gas blowout preventer according to claim 7, which is characterized in that the input end of the discharge tube (10) is welded with Strainer baffle (11);The strainer is by pressing plate (12) and threaded fastener pressing on the strainer baffle (11).
9. gas blowout preventer according to claim 3, which is characterized in that the circle connecting cylinder (1) includes circular cylinder Body, the two sides of circular cylinder body are respectively equipped with two supporting legs (14), and the end of two supporting legs (14) is fixedly connected on angle steel (15); It is oppositely arranged on the inside of two angle steel (15).
10. gas blowout preventer according to claim 9, which is characterized in that the supporting leg (14) is made of round tube;Supporting leg (14) both ends, which are all made of, is welded and fixed;It is welded with shoe on the circular cylinder body and assists (16);Supporting leg (14) welding It is assisted on (16) in the shoe, supporting leg (14) is assisted (16) by the shoe and is fixedly connected with the circular cylinder body.
CN201920186426.9U 2019-01-28 2019-01-28 Gas blowout preventer Expired - Fee Related CN209568990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920186426.9U CN209568990U (en) 2019-01-28 2019-01-28 Gas blowout preventer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920186426.9U CN209568990U (en) 2019-01-28 2019-01-28 Gas blowout preventer

Publications (1)

Publication Number Publication Date
CN209568990U true CN209568990U (en) 2019-11-01

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Application Number Title Priority Date Filing Date
CN201920186426.9U Expired - Fee Related CN209568990U (en) 2019-01-28 2019-01-28 Gas blowout preventer

Country Status (1)

Country Link
CN (1) CN209568990U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653703A (en) * 2019-01-28 2019-04-19 重庆广创工贸有限责任公司 A kind of gas blowout preventer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109653703A (en) * 2019-01-28 2019-04-19 重庆广创工贸有限责任公司 A kind of gas blowout preventer
CN109653703B (en) * 2019-01-28 2023-08-15 重庆广创工贸有限责任公司 Gas blowout preventer

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20191101

Termination date: 20220128