CN210829386U

CN210829386U - Double-liquid grouting pipe for goaf treatment

Info

Publication number: CN210829386U
Application number: CN201920953327.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuhan Bridge Engineering Co ltd
Current assignee: Wuhan Bridge Engineering Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-23
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a double-liquid grouting pipe device for goaf treatment, which is characterized in that one end of an outer pipe body is arranged in one end of a main pipe body and is communicated with the main pipe body, a plurality of sealing rings are arranged between the outer wall of the outer pipe body and the inner wall of the main pipe body, the inner wall of the other end of the main pipe body is provided with a thread groove, a thread sleeve is arranged in the thread groove and is in threaded connection with the main pipe body, a fixing block is arranged on the thread sleeve and is jointed with the other end of the main pipe body, a T-shaped channel is arranged in the fixing block, the two ends of the transverse channel of the T-shaped channel are respectively communicated with the outside of the fixing block, the vertical channel of the T-shaped channel is communicated with the inside of the main pipe body, the inner pipe body is arranged in the outer pipe body, and one end of the inner pipe body penetrates through the main pipe body and is arranged on the fixing block.

Description

Double-liquid grouting pipe for goaf treatment

Technical Field

The utility model discloses a biliquid slip casting pipe for collecting space area is administered relates to one kind and when administering the collecting space area, carries out the slip casting pipe device of biliquid slip casting to the collecting space area, belongs to the mine field. In particular to a grouting pipe device which plugs a grouting opening through a sealing air bag and injects two kinds of grout into a goaf after mixing the two kinds of grout inside through gas injection.

Background

At present, the goaf treatment method mainly comprises a grouting method and a non-grouting method, wherein the grouting method mainly comprises a grouting construction process of manually injecting grout materials with filling and cementing properties into a caving zone and a fissure zone of the goaf so as to increase the strength or reduce the permeability after hardening, during grouting, double-liquid grouting is adopted, as long as the double-liquid grouting adopts multi-channel grouting, different grouts are injected, then the filling and the bearing capacity are enhanced through the reaction between the grouts, during filling, as the two grouts are simultaneously filled, the filling pressure is increased, the grout overflows along a grouting pipe and the wall of a drilling hole, and the two grouts in the drilling hole flow along a gap, during the flowing process, the mixed position is firstly reacted, and the filling and plugging are carried out in the gap, so that the passing of the grout and the uniformity of the reaction are influenced, and at present, a one-way valve is mostly adopted for controlling the backflow of the grout, however, when the pressure is too high, the check valve is easy to fail, limits the throughput of the slurry and has low efficiency.

Publication No. CN208473929U discloses a biliquid slip casting pipe device for collecting space area is administered, comprises main part device and thoughtlessly thick liquid cover, though can also mix the slip casting to two kinds of thick liquids, do not carry out the closure processing between the slip casting passageway, the thick liquid can be excessive along slip casting pipe and drilling wall, and two strands of thick liquids in the drilling flow along the clearance, and the slip casting effect is poor.

Disclosure of Invention

In order to improve the condition, the utility model discloses a biliquid slip casting pipe for collecting space area is administered provides one kind and carries out the shutoff through air-bag to the slip casting mouth to make the slip casting pipe device of two kinds of thick liquids reinjection collecting space area after mixing in inside through the gas injection. The grouting effect on the goaf can be effectively improved.

The utility model discloses a biliquid slip casting pipe for collecting space area is administered is realized like this: the utility model discloses a biliquid slip casting pipe for collecting space area improvement comprises outer body, sealed gasbag, gas-distributing pipe, main part pipe, communicating pipe, fixed block, swivel nut, intake pipe, first filler tube, second filler tube, sealing ring and interior body, and outer body one end is arranged in main part pipe one end, and is linked together with the main part pipe, a plurality of sealing rings have been put between outer body outer wall and the main part inside pipe wall, it has the thread groove to open on the main part pipe other end inner wall, and the swivel nut is arranged in the thread groove, and with main part pipe looks spiro union, the fixed block is arranged on the swivel nut, and with main part pipe other end laminating, T type passageway has been put to the fixed block inside, the horizontal passageway both ends of T type passageway are linked together with the fixed block outside respectively, the vertical passageway of T type passageway is linked together with the main part intraductal portion, and the interior body is arranged in the outer pipe, one end of the inner tube is correspondingly communicated with a vertical channel of the T-shaped channel on the fixed block, one end of the air inlet tube is arranged on the fixed block and is correspondingly communicated with the middle part of a transverse channel of the T-shaped channel on the fixed block, one end of the first injection tube is arranged on the fixed block and is correspondingly communicated with one end of the transverse channel of the T-shaped channel on the fixed block, the sealed air bag is arranged on the outer tube body, one end of the communication tube is arranged on the sealed air bag and is communicated with the sealed air bag, the other end of the communication tube is arranged on the fixed block and is correspondingly communicated with the other end of the transverse channel of the T-shaped channel on the fixed block, a through hole is formed in the main tube and is communicated with the interior of the main tube body, one end of the second injection tube is arranged on the main tube and is correspondingly communicated with the through hole on, the other end of the gas distributing pipe is arranged on the gas inlet pipe and communicated with the gas inlet pipe.

When the grouting device is used, when grouting is carried out on a goaf, a grouting channel is drilled in a grouting area, an outer pipe body is inserted into the grouting channel, a sealing air bag is positioned at a grouting opening, a first injection pipe is communicated with an external first grouting pipe, a second injection pipe is communicated with an external second grouting pipe, an air inlet pipe is communicated with the external air injection pipe, air enters the air inlet pipe, part of the air enters a T-shaped channel on the fixing block, the other part of the air enters a gas distributing pipe, the part of the air in the T-shaped channel enters a communicating pipe and then enters the sealing air bag, the sealing air bag is inflated and expanded, the grouting opening is sealed and plugged, the air in the gas distributing pipe enters a cavity between the inner pipe body and a main pipe, and meanwhile, a first type of grout enters the T-shaped channel on the fixing block through the first injection pipe, then mix with the gas in the T-shaped channel, enter into the inner pipe body, then flow along the inner pipe body, the second kind of thick liquid enters into the cavity between the inner pipe body and the main pipe body through the second injection pipe, and mix with the gas in the cavity between the inner pipe body and the main pipe body, then enter into the outer pipe body, flow along the outer pipe body, the first kind of thick liquid flows into the outer pipe body through the other end of the inner pipe body, then mix with the second kind of thick liquid in the outer pipe body under the drive of gas, and then two kinds of thick liquids are mixed inside, and finally the mixed thick liquid is sprayed out through the other end of the outer pipe body, and injected into the goaf grouting area, and fills the goaf, and the sealing air bag plugs the grouting port, prevents the thick liquid from overflowing, and achieves the purpose of double-liquid grouting in the goaf when the goaf is treated.

Has the beneficial effects.

The structure is simple, and the device is convenient and practical.

Secondly, the price is low, and the popularization is easy.

And thirdly, the grouting effect on the goaf can be effectively improved.

Drawings

Fig. 1 is the structure schematic diagram of the double-liquid grouting pipe for goaf treatment of the utility model.

In the attached drawings

Wherein the parts are: the gas distribution pipe comprises an outer pipe body (1), a sealing air bag (2), a gas distribution pipe (3), a main pipe (4), a communication pipe (5), a fixing block (6), a threaded sleeve (7), an air inlet pipe (8), a first injection pipe (9), a second injection pipe (10), a sealing ring (11) and an inner pipe body (12).

The specific implementation mode is as follows:

the utility model discloses a biliquid slip casting pipe for collecting space area improvement is realized like this, by outer body (1), air-tight bag (2), gas-distributing pipe (3), main body pipe (4), communicating pipe (5), fixed block (6), swivel nut (7), intake pipe (8), first injection pipe (9), second injection pipe (10), sealing ring (11) and interior body (12) are constituteed, outer body (1) one end is arranged in main body pipe (4) one end, and is linked together with main body pipe (4), a plurality of sealing rings (11) have been put between outer body (1) outer wall and main body pipe (4) inner wall, it has the thread groove to open on main body pipe (4) other end inner wall, swivel nut (7) are arranged in the thread groove, and with main body pipe (4) looks spiro union, fixed block (6) are arranged on swivel nut (7), and laminate with main body pipe (4) other end, T type passageway has been put to fixed block (6) inside, two ends of a transverse channel of the T-shaped channel are respectively communicated with the outside of the fixed block (6), the vertical channel of the T-shaped channel is communicated with the inside of the main body tube (4), the inner tube body (12) is arranged in the outer tube body (1), one end of the inner tube body penetrates through the main body tube (4) and is arranged on the fixed block (6), one end of the inner tube body (12) is correspondingly communicated with the vertical channel of the T-shaped channel on the fixed block (6), one end of the air inlet tube (8) is arranged on the fixed block (6) and is correspondingly communicated with the middle part of the transverse channel of the T-shaped channel on the fixed block (6), one end of the first injection tube (9) is arranged on the fixed block (6) and is correspondingly communicated with one end of the transverse channel of the T-shaped channel on the fixed block (6), the sealing air bag (2) is arranged on the outer tube body (1), one end of the communicating tube (5, the other end of the communicating pipe (5) is arranged on the fixing block (6) and is correspondingly communicated with the other end of a transverse channel of the T-shaped channel on the fixing block (6), a through hole is formed in the main body pipe (4) and is communicated with the inside of the main body pipe (4), one end of a second injection pipe (10) is arranged on the main body pipe (4) and is correspondingly communicated with the through hole on the main body pipe (4), one end of a gas distributing pipe (3) is arranged on the main body pipe (4) and is communicated with a cavity between the inner wall of the main body pipe (4) and the outer wall of an inner pipe body (12), and the other end of the gas distributing pipe (3) is arranged on the gas inlet pipe (8) and is communicated with the gas.

When the grouting device is used, when grouting is carried out on a goaf, a grouting channel is drilled in a grouting area, an outer pipe body (1) is inserted into the grouting channel, a sealing air bag (2) is positioned at a grouting opening, a first injection pipe (9) is communicated with an external first grouting pipe, a second injection pipe (10) is communicated with an external second grouting pipe, an air inlet pipe (8) is communicated with the external air injection pipe, air enters the air inlet pipe (8), part of the air enters a T-shaped channel on a fixing block (6), the other part of the air enters a gas distribution pipe (3), part of the air in the T-shaped channel enters a communicating pipe (5) and then enters the sealing air bag (2), the sealing air bag (2) is inflated and expanded, the grouting opening is sealed and blocked, and the air in the gas distribution pipe (3) enters a cavity between an inner pipe (12) and a main body pipe (4), meanwhile, the first slurry enters a T-shaped channel on a fixed block (6) through a first injection pipe (9), then is mixed with gas in the T-shaped channel, enters an inner pipe body (12), then flows along the inner pipe body (12), the second slurry enters a cavity between the inner pipe body (12) and a main pipe body (4) through a second injection pipe (10), is mixed with the gas in the cavity between the inner pipe body (12) and the main pipe body (4), then enters an outer pipe body (1), flows along the outer pipe body (1), the first slurry flows into the outer pipe body (1) through the other end of the inner pipe body (12), then is mixed with the second slurry in the outer pipe body (1) under the driving of the gas, further enables the two slurries to be mixed internally, and finally the mixed slurry is sprayed out through the other end of the outer pipe body (1) and is injected into a grouting area, the goaf is filled, the sealing air bag (2) plugs the grouting port to prevent slurry from overflowing, and the purpose of performing double-liquid grouting on the goaf is achieved when the goaf is treated.

Claims

1. A biliquid slip casting pipe for collecting space area is administered, characterized by: the sealing device comprises an outer tube body, a sealing air bag, an air distributing tube, a main tube, a communicating tube, a fixing block, a threaded sleeve, an air inlet tube, a first injection tube, a second injection tube, a sealing ring and an inner tube body, wherein one end of the outer tube body is arranged in one end of the main tube body and communicated with the main tube body, a threaded groove is formed in the inner wall of the other end of the main tube body, the threaded sleeve is arranged in the threaded groove and is in threaded connection with the main tube body, the fixing block is arranged on the threaded sleeve and is attached to the other end of the main tube body, a T-shaped channel is arranged in the fixing block, two ends of a transverse channel of the T-shaped channel are respectively communicated with the outside of the fixing block, a vertical channel of the T-shaped channel is communicated with the inside of the main tube body, the inner tube body is arranged in the outer tube body, one end, the sealing air bag is arranged on the outer pipe body, one end of a communicating pipe is arranged on the sealing air bag and communicated with the sealing air bag, the other end of the communicating pipe is arranged on the fixing block and communicated with the other end of the transverse channel of the T-shaped channel on the fixing block correspondingly, a through hole is formed in the main pipe and communicated with the inner part of the main pipe body, one end of a second injection pipe is arranged on the main pipe and communicated with the through hole on the main pipe body correspondingly, one end of a gas distributing pipe is arranged on the main pipe and communicated with a cavity between the inner wall of the main pipe body and the outer wall of the inner pipe body, and the other end of the gas distributing pipe is arranged on the gas inlet pipe and communicated with the gas inlet pipe.

2. The dual fluid grouting pipe for goaf treatment according to claim 1, wherein a plurality of sealing rings are disposed between the outer wall of the outer pipe body and the inner wall of the main pipe body.