CN205077502U - A blowout preventer for holing gush sand and emit water - Google Patents
A blowout preventer for holing gush sand and emit water Download PDFInfo
- Publication number
- CN205077502U CN205077502U CN201520796441.7U CN201520796441U CN205077502U CN 205077502 U CN205077502 U CN 205077502U CN 201520796441 U CN201520796441 U CN 201520796441U CN 205077502 U CN205077502 U CN 205077502U
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- China
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- flange
- lubricator
- ball valve
- drill way
- orifice tube
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Abstract
The utility model provides a blowout preventer for holing gush sand and emit water, contains drill way pipe, lubricator and ball valve, the drill way pipe contains hollow drill way body, the one end of drill way body is equipped with drill way pipe flange, and the other end is equipped with the fish scale and detains, the downside of drill way body is provided with a little gate valve, the lubricator contains the hollow lubricator body and is located the lubricator flange at lubricator body both ends, and the lubricator flange joint of flange, the other end is managed to the lubricator flange of one end to the drill way through circumferential a plurality of bolted connection the ball valve, the ball valve contains ball valve body and ball valve flange, therefore, the utility model discloses appear greatly when gushing water and emitting water, freeze the pipe need not cutting off or extract, just can eliminate and gush sand and emit water to endanger, can quick effectual solve the problem, avoided freezing the pipe and caused droing of drill way pipe when extracting easily, reduced subsiding of tunnel and ground, reduced the loss of engineering to the extensive suitability of freezing the method has been promoted.
Description
Technical field
The utility model relates to the technical field of artificial stratum frozen construction, particularly relates to a kind ofly to gush the blowout hookup that sand emits water for holing.
Background technology
Artificial stratum freezing process (ArtificialGroundFreezingMethod, AGFM) be utilize artificial cooling technology, water-bearing rock soil layer around underground construction to be onstructed in certain limit is frozen, form the frozen soil wall closed, to improve the strength and stability of ground, isolated underground water contacts with underground construction, a kind of special construction method of guarantee underground construction safe construction.
At present, artificial stratum freezing process has been widely used in municipal freezing engineering, but for the moisture boring containing layer of sand, because soil layer has larger artesian water, freezing pipe is when piercing layer of sand, and sand water permeability is stronger, in this case, along with pressure increases, sand and water can together with gush, in boring procedure, very easily there is the phenomenon of sand boil, as processed not in time, large water gaging and sand can be brought to flood work plane, bring very large harm to tunnel, ground can be caused simultaneously to occur larger sedimentation.Therefore, solve and emit water to endanger in moisture containing the sand that gushes in the boring procedure in layer of sand, be extremely necessary.
In prior art, for preventing gushing sand preventing water phenomenon, what adopt is pre-pouring grout before boring, water is emitted by the sand that gushes regulating hold down gag increase pressure to realize in keyhole process, this mode is subject to the limitation of hold down gag itself, in the sandy soil layer that hydraulic pressure is larger, hold down gag very easily damages, gushing out of uncontrollable water and sand, ball valve is to closed, need cut off or extract freezing pipe, and the water at orifice tube place and sand are constantly gushed, freezing pipe cannot be cut off, and the freezing pipe in sandy soil layer is difficult to extract, and freezing pipe easily causes coming off of orifice tube when extracting, cause freezing hole cannot shutoff, larger harm can be brought
For this reason, designer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind ofly gushes the blowout hookup that sand emits water, to overcome above-mentioned defect for holing.
Utility model content
The purpose of this utility model is that providing a kind of gushes the blowout hookup that sand emits water for holing, and its structure is simple, easy to operate, when gushing sand and emitting water, when not needing to cut off freezing pipe, can control to gush sand fast and effectively and emitting water, effectively improving security performance.
For solving the problem, the utility model discloses and a kind ofly gush the blowout hookup that sand emits water for holing, comprising orifice tube, lubricator and ball valve, it is characterized in that:
Described orifice tube comprises the aperture body of hollow, one end of described aperture body is provided with orifice tube adpting flange, the other end is provided with fish scale button, described fish scale rams the installing hole that the tunnel duct piece on stratum is preset after buckling and being wound around flax silk or staple, the lower lateral extent orifice tube adpting flange 10cm place of described aperture body is provided with a by-pass port, described by-pass port is provided with a little gate valve;
Described lubricator comprises the blowout prevention body of hollow and is positioned at the lubricator flange at blowout prevention body two ends, and the lubricator flange of one end is bolted to orifice tube adpting flange by the multiple of periphery, ball valve described in the lubricator Flange joint of the other end;
Described ball valve comprises ball valve body and ball valve flange, and described ball valve flange is by multiple lubricator flanges being bolted to the described other end of periphery.
Wherein: the aperture of described aperture body is 133mm, length is 400mm.
Wherein: the lubricator flange of one end and be equipped with gasket seal between the lubricator flange of orifice tube adpting flange and the other end and ball valve flange.
Wherein: the steel pipe of described blowout prevention body to be diameter be 159mm, described lubricator flange is DN150 flange, and described ball valve is DN150 stainless steel ball valve.
Known by said structure, the sand that gushes for holing of the present utility model emits the blowout hookup of water to have following effect:
1, structure is simple, easy to operate;
When 2, occurring that larger water burst emits water, do not needing need cut off or extract freezing pipe, just can eliminate and gush sand and emit water to endanger, can deal with problems fast and effectively;
3, avoid when freezing pipe is extracted and easily cause coming off of orifice tube, cause freezing hole cannot the harm of shutoff, larger harm can be brought, reduce the sedimentation on tunnel and ground, reduce the loss of engineering, and promote the broad applicability of freezing process.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows and of the present utility modelly gushes the structural representation that sand emits the blowout hookup of water for holing.
Reference numeral:
101, stratum; 102, tunnel duct piece; 103, setscrew; 10, orifice tube; 11, aperture body; 12, orifice tube adpting flange; 13, little gate valve; 14, gasket seal; 20, lubricator; 21, blowout prevention body; 22, lubricator flange; 30, ball valve; 31, ball valve body; 32, ball valve flange.
Detailed description of the invention
The sand that gushes that the utility model is used in the freezing process of artificial stratum emits water, in order to better realize its effect, also to soil layer pre-pouring grout in boring region before boring, can reduce to gush sand to a certain extent and emit water, and reduce the thaw collapse on tunnel and ground.
See Fig. 1, the sand that gushes for holing of the present utility model emits the blowout hookup of water mainly to comprise orifice tube 10, lubricator 20 and ball valve 30, it is 133mm that described orifice tube 10 comprises preferred aperture, length is the aperture body 11 of the hollow of 400mm, one end of described aperture body 11 is provided with orifice tube adpting flange 12, the other end is provided with the fish scale button that preferred length is 100mm, wherein said fish scale rams the installing hole that the tunnel duct piece 102 on stratum 101 is preset after buckling and can being wound around flax silk or staple, the about 10cm place of lower lateral extent orifice tube adpting flange 12 of described aperture body 11 is provided with a by-pass port, described by-pass port is provided with a little gate valve 13, wherein, on stratum 101, on the inwall of the tunnel duct piece 102 of the side of starting of installing hole periphery, interval 90o arranges four setscrews 103 equably, each described setscrew 103 can be welded to described orifice tube 10, thus can after boring, gap between soldered vias pipe 10 and freezing pipe, plugging action can be played, little gate valve 13 slip casting on orifice tube 10 can reduce the thaw collapse on tunnel and ground.
Described lubricator 20 comprises the blowout prevention body 21 of hollow and is positioned at the lubricator flange 22 at blowout prevention body 21 two ends, wherein the lubricator flange 22 of one end is bolted to orifice tube adpting flange 12 by the multiple of periphery, and be provided with gasket seal between the two, to improve sealing effectiveness, the lubricator flange 22 of the other end connects described ball valve 30.
Described ball valve 30 comprises ball valve body 31 and ball valve flange 32, and described ball valve flange 32 by multiple lubricator flanges 22 being bolted to the described other end of periphery, and also can be provided with gasket seal between the two to improve sealing effectiveness.
Optionally, described blowout prevention body 21 for diameter be the steel pipe of 159mm, described lubricator flange 22 is DN150 flange, and described ball valve 30 is DN150 stainless steel ball valve.
Pass through said structure, the utility model is when occurring that larger water burst emits water, do not need need cut off or extract freezing pipe, just can eliminate and gush sand and emit water to endanger, can deal with problems fast and effectively, and avoid when freezing pipe is extracted and easily cause coming off of orifice tube, cause freezing hole cannot the harm of shutoff, larger harm can be brought, reduce the sedimentation on tunnel and ground, reduce the loss of engineering, and promote the broad applicability of freezing process.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of manual and the appended claim fallen into above.
Claims (4)
1. gushing the blowout hookup that sand emits water for holing, comprising orifice tube, lubricator and ball valve, it is characterized in that:
Described orifice tube comprises the aperture body of hollow, one end of described aperture body is provided with orifice tube adpting flange, the other end is provided with fish scale button, described fish scale rams the installing hole that the tunnel duct piece on stratum is preset after buckling and being wound around flax silk or staple, the lower lateral extent orifice tube adpting flange 10cm place of described aperture body is provided with a by-pass port, described by-pass port is provided with a little gate valve;
Described lubricator comprises the blowout prevention body of hollow and is positioned at the lubricator flange at blowout prevention body two ends, and the lubricator flange of one end is bolted to orifice tube adpting flange by the multiple of periphery, ball valve described in the lubricator Flange joint of the other end;
Described ball valve comprises ball valve body and ball valve flange, and described ball valve flange is by multiple lubricator flanges being bolted to the described other end of periphery.
2. blowout hookup as claimed in claim 1, is characterized in that: the aperture of described aperture body is 133mm, length is 400mm.
3. blowout hookup as claimed in claim 1, is characterized in that: the lubricator flange of one end and be equipped with gasket seal between the lubricator flange of orifice tube adpting flange and the other end and ball valve flange.
4. blowout hookup as claimed in claim 1, is characterized in that: the steel pipe of described blowout prevention body to be diameter be 159mm, described lubricator flange is DN150 flange, and described ball valve is DN150 stainless steel ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796441.7U CN205077502U (en) | 2015-10-15 | 2015-10-15 | A blowout preventer for holing gush sand and emit water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796441.7U CN205077502U (en) | 2015-10-15 | 2015-10-15 | A blowout preventer for holing gush sand and emit water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205077502U true CN205077502U (en) | 2016-03-09 |
Family
ID=55429917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520796441.7U Expired - Fee Related CN205077502U (en) | 2015-10-15 | 2015-10-15 | A blowout preventer for holing gush sand and emit water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205077502U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924954A (en) * | 2019-12-11 | 2020-03-27 | 上海市基础工程集团有限公司 | Device and method for checking grouting condition of annular space of orifice pipe |
| CN112681988A (en) * | 2021-03-18 | 2021-04-20 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
| CN112878909A (en) * | 2020-12-24 | 2021-06-01 | 南昌轨道交通集团有限公司 | Anti-gushing method for drilling horizontal freezing hole of foundation pit |
-
2015
- 2015-10-15 CN CN201520796441.7U patent/CN205077502U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924954A (en) * | 2019-12-11 | 2020-03-27 | 上海市基础工程集团有限公司 | Device and method for checking grouting condition of annular space of orifice pipe |
| CN112878909A (en) * | 2020-12-24 | 2021-06-01 | 南昌轨道交通集团有限公司 | Anti-gushing method for drilling horizontal freezing hole of foundation pit |
| CN112681988A (en) * | 2021-03-18 | 2021-04-20 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
| CN112681988B (en) * | 2021-03-18 | 2022-04-01 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20161015 |