CN103911987A - Pressure regulating device on basis of air-lift reverse circulation process for cast-in-situ bored piles - Google Patents
Pressure regulating device on basis of air-lift reverse circulation process for cast-in-situ bored piles Download PDFInfo
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- CN103911987A CN103911987A CN201410163686.6A CN201410163686A CN103911987A CN 103911987 A CN103911987 A CN 103911987A CN 201410163686 A CN201410163686 A CN 201410163686A CN 103911987 A CN103911987 A CN 103911987A
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- regulating device
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- reverse circulation
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Abstract
The invention relates to a pressure regulating device on the basis of an air-lift reverse circulation process for cast-in-situ bored piles. The pressure regulating device comprises a pressure regulating device body, a driving drill rod, a faucet, an air compressor and a high-pressure air storage tank, and is characterized in that the pressure regulating device body is connected between the high-pressure air storage tank and the driving drill rod and comprises a pup joint, a ball valve, an air delivery pipe and a connecting plate, the ball valve is connected onto the air delivery pipe, and the upper side and the lower side of the pup joint are respectively fixedly connected with the driving drill rod and the faucet. The pressure regulating device has the advantage that technical problems that a single air compressor in conventional air-lift reverse circulation devices only can control a single air-lift device group, different air-lift devices cannot be simultaneously flexibly regulated and controlled according to actual working conditions and soil layers with different depths, the efficacy of the air compressor cannot be sufficiently utilized, a large quantity of air compressors are required and the like can be solved.
Description
Technical field
The present invention relates to a kind of pressure-regulating device based on bored pile gas lift reverse circulation technique, can be applicable to that room is built, in the construction of the bored pile method of air lifting reverse circulation in municipal engineering construction field.
Background technology
Along with super highrise building is more and more, the degree of depth on underground pile basis is more and more darker, requirement for bearing capacity is more and more higher, conventional construction technology is inhaled the ubiquities such as anti-circulation construction and that construction efficiency is low, sediment is removed difficulty, cannot be guaranteed the technical problems such as pile foundation construction quality as direct circulation construction, pump, the application of the method for air lifting reverse circulation of have that pore-forming work efficiency is high, sediment being removed the advantage such as thorough in the extra-deep hole drilling filling pile construction with deep layer of sand or complicated soil layer be more and more ripe, generally.
Conventional gas lift reverse circulation equipment is directly connected with air compressor machine by tracheae, only can regulate the control realizing hole internal gas pressure by air compressor machine itself, separate unit air compressor machine can only be controlled single group gas lift equipment, and can not control gas lift equipment be carried out in good time, be regulated and controled flexibly according to the soil layer of actual condition, different depth, air compressor machine effect can not make full use of; Separately can only control one to one due to air compressor machine and gas lift equipment, cause the problems such as the required air compressor machine quantity in job site is more, and air compressor machine service efficiency is low.
Summary of the invention
The present invention be to solve in conventional gas lift reverse circulation equipment separate unit air compressor machine can only control single group gas lift equipment, can not be neatly according to the soil layer of actual condition, different depth to controlled gas lift equipment regulate and control, the technical problem such as air compressor machine effect can not make full use of, required air compressor machine quantity is more, and provide a kind of pressure-regulating device based on bored pile gas lift reverse circulation technique.
The present invention is achieved by the following technical solutions: a kind of pressure-regulating device based on bored pile gas lift reverse circulation technique, comprise pressure-regulating device, kelly, water tap, air compressor machine, pressure-air gasholder, it is characterized in that: between pressure-air gasholder and kelly, be connected with pressure-regulating device, pressure-regulating device comprises pipe nipple, ball valve, appendix, junction plate, on appendix, be connected with ball valve, pipe nipple is upper and lower to be fixedly connected with kelly with water tap respectively.
Ball valve is arranged in the middle of the attached appendix of pipe nipple.Appendix is fixedly connected with water tap seal with the tracheae of kelly.Pipe nipple is fixedly connected with rubber ring seal by bolt with water tap with kelly.On pressure-regulating device, install high-precision pressure meter additional.
The invention has the beneficial effects as follows:
The present invention is the pipe nipple that increases by one section of adjustable pressure between air lift counter circulation drill rod and air compressor machine, realize the control of the endotracheal pressure stream of compressed air amount size attached to gaslift drilling rod by the ball valve switch on this pipe nipple, thereby reach the construct regulating effect of required air pressure of gas lift reverse circulation.
The present invention has solved separate unit air compressor machine in conventional gas lift reverse circulation equipment effectively can only control single group gas lift equipment, can not regulate and control different gas lift equipments according to the soil layer of actual condition, different depth neatly simultaneously, the technical problems such as air compressor machine effect can not make full use of, and required air compressor machine quantity is more.
Pressure-regulating device of the present invention have regulation and control flexibly, manipulation is convenient, can realize fine setting, improve air compressor machine service efficiency, how can realize air compressor machine one control and can closely manipulate, the advantage such as energy-conserving and environment-protective, make the application of gas lift reverse circulation pore-forming, clear hole technique more efficient, convenient, controlled, there are higher economical, societal benefits, be worth promoting the use of in the construction of bored pile method of air lifting reverse circulation.
Accompanying drawing explanation
Fig. 1 is air compressor system of the present invention and gas lift equipment connection diagram;
Fig. 2 is the structural representation of pressure-regulating device;
Fig. 3 is pressure-regulating device and kelly and water tap connection diagram.
The specific embodiment
Elaborate to of the present invention below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1 to Figure 3, a kind of pressure-regulating device based on bored pile gas lift reverse circulation technique, comprises pressure-regulating device 1, kelly 2, water tap 3, air compressor machine 5, pressure-air gasholder 4 etc.
Between pressure-air gasholder 4 and kelly 2, be connected with pressure-regulating device 1, pressure-regulating device 1 comprises pipe nipple, ball valve 6, appendix 7, junction plate 8, on appendix 7, be connected with ball valve 6, pipe nipple is upper and lower to be fixedly connected with kelly 1 with water tap 3 respectively.
1) structural form of pressure-regulating device 1,
This pressure-regulating device 1 is between air lift counter circulation drill rod and air compressor machine 5, to increase by one section of pipe nipple with ball valve 6, and this pipe nipple and bottom drilling rod structure are basic identical, is the outer attached air pipe structure of drilling rod, and ball valve is arranged in the middle of the attached tracheae of this pipe nipple.As shown in Figure 2.
2) mounting means of pressure-regulating device 1,
This pipe nipple and kelly and water tap are bolted, and make male and female head dummy formula in joint two ends of drill, in female groove, place rubber washer, at drilling rod termination total cross-section processing one deck rubber sheet gasket, guarantee the tightly air tight of tool joint place;
The mode that the attached tracheae of this pipe nipple takes male and female head to add ring washer with tracheae and the water tap of kelly is connected, when docking, ring washer is nested into the bottom of male, the elasticity of back cushion circle compresses upper and lower tracheae two interfaces, guarantees the sealing of gas distribution channel.
3) use of pressure-regulating device,
In gas lift reverse circulation construction, by the ball valve in this adjusting device, the attached endotracheal pressure contracting air of gaslift drilling rod is opened, closed and the control of uninterrupted according to actual condition, soil layer situation, thereby realize the construct adjusting of required air pressure of gas lift reverse circulation.
4) optimization improvement of pressure-regulating device etc.
By install high-precision pressure meter additional in this adjusting device, also can reach the effect of accurate, the directly perceived and visual manipulation of air pressure adjustment.
Claims (5)
1. the pressure-regulating device based on bored pile gas lift reverse circulation technique, comprise pressure-regulating device (1), kelly (2), water tap (3), air compressor machine (5), pressure-air gasholder (4), it is characterized in that: between pressure-air gasholder (4) and kelly (2), be connected with pressure-regulating device (1), pressure-regulating device (1) comprises pipe nipple, ball valve (6), appendix (7), junction plate (8), on appendix (7), be connected with ball valve (6), on pipe nipple, be fixedly connected with kelly (2) with water tap (3) respectively down.
2. the pressure-regulating device based on bored pile gas lift reverse circulation technique according to claim 1, is characterized in that: described ball valve (6) is arranged in the middle of the attached appendix of pipe nipple (7).
3. the pressure-regulating device based on bored pile gas lift reverse circulation technique according to claim 1, is characterized in that: described appendix (7) is sealedly and fixedly connected with tracheae and the water tap (3) of kelly (2).
4. the pressure-regulating device based on bored pile gas lift reverse circulation technique according to claim 1, is characterized in that: described pipe nipple is fixedly connected with rubber ring seal by bolt with water tap (3) with kelly (2).
5. the pressure-regulating device based on bored pile gas lift reverse circulation technique according to claim 1, is characterized in that: described pressure-regulating device installs high-precision pressure meter additional on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163686.6A CN103911987A (en) | 2014-04-23 | 2014-04-23 | Pressure regulating device on basis of air-lift reverse circulation process for cast-in-situ bored piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163686.6A CN103911987A (en) | 2014-04-23 | 2014-04-23 | Pressure regulating device on basis of air-lift reverse circulation process for cast-in-situ bored piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103911987A true CN103911987A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410163686.6A Pending CN103911987A (en) | 2014-04-23 | 2014-04-23 | Pressure regulating device on basis of air-lift reverse circulation process for cast-in-situ bored piles |
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| Country | Link |
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| CN (1) | CN103911987A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017072746A1 (en) * | 2015-10-27 | 2017-05-04 | Russell Crawford | Well-drilling apparatus and method of use |
| CN109235428A (en) * | 2018-11-23 | 2019-01-18 | 广东省水利水电第三工程局有限公司 | A kind of hydraulic engineering bored concrete pile based on gas lift reverse circulation borehole cleaning |
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| US5048620A (en) * | 1989-08-07 | 1991-09-17 | Maher Kevin P | Method for air rotary drilling of test wells |
| CN101328709A (en) * | 2007-06-20 | 2008-12-24 | 上海塔奇实业有限公司 | Borehole cleaning method and apparatus for fast reverse circulation by using high pressure air |
| CN101363308A (en) * | 2007-08-09 | 2009-02-11 | 王薇 | HAS high-pressure aerial fog rapid injector |
| CN202039769U (en) * | 2010-12-01 | 2011-11-16 | 卢丹 | Crushing mechanism with air inlet pipe |
| CN102535527A (en) * | 2010-12-14 | 2012-07-04 | 上海市基础工程有限公司 | Testing device and method of breast wall slurry pressure during pore-forming construction of cast-in-situ bored pile |
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2014
- 2014-04-23 CN CN201410163686.6A patent/CN103911987A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5048620A (en) * | 1989-08-07 | 1991-09-17 | Maher Kevin P | Method for air rotary drilling of test wells |
| CN101328709A (en) * | 2007-06-20 | 2008-12-24 | 上海塔奇实业有限公司 | Borehole cleaning method and apparatus for fast reverse circulation by using high pressure air |
| CN101363308A (en) * | 2007-08-09 | 2009-02-11 | 王薇 | HAS high-pressure aerial fog rapid injector |
| CN202039769U (en) * | 2010-12-01 | 2011-11-16 | 卢丹 | Crushing mechanism with air inlet pipe |
| CN102535527A (en) * | 2010-12-14 | 2012-07-04 | 上海市基础工程有限公司 | Testing device and method of breast wall slurry pressure during pore-forming construction of cast-in-situ bored pile |
Non-Patent Citations (1)
| Title |
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| 张国磊等: ""超深钻孔桩在砂性土层中的气举反循环法成桩技术"", 《地基基础》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017072746A1 (en) * | 2015-10-27 | 2017-05-04 | Russell Crawford | Well-drilling apparatus and method of use |
| CN109235428A (en) * | 2018-11-23 | 2019-01-18 | 广东省水利水电第三工程局有限公司 | A kind of hydraulic engineering bored concrete pile based on gas lift reverse circulation borehole cleaning |
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Application publication date: 20140709 |