CN204825911U - Biliquid type high pressure jet machine - Google Patents
Biliquid type high pressure jet machine Download PDFInfo
- Publication number
- CN204825911U CN204825911U CN201520565524.5U CN201520565524U CN204825911U CN 204825911 U CN204825911 U CN 204825911U CN 201520565524 U CN201520565524 U CN 201520565524U CN 204825911 U CN204825911 U CN 204825911U
- Authority
- CN
- China
- Prior art keywords
- water glass
- drill bit
- grout
- type high
- cement paste
- 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
Links
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a biliquid type high pressure jet machine includes the chassis, sets up host computer and drilling tool on the chassis, and the drilling tool includes: the drilling rod is including water glass pipeline and grout pipeline, and connect in the drill bit of drilling rod, the side of drill bit is equipped with water glass discharge gate, and the bottom of drill bit is equipped with the grout discharge gate, water glass discharge gate and water glass pipeline intercommunication, grout discharge gate and grout pipeline intercommunication. The utility model discloses an establish water glass pipeline in the drilling rod, establish water glass discharge gate, fluming water glass at the drill bit for the reaction is admixed with water glass to the grout, thereby the grout solidifies fast, reduces the setting time of grout, and solution morning and evening tides etc. Moves the regimen condition low scheduling problem of calculus rate down, has improved the effect of cement slip casting.
Description
Technical field
The utility model relates to the realm of building construction, espespecially dual liquid type high-pressure rotary jetting apparatus.
Background technology
In the engineering constructions such as artificial reclamation area or seashore, need water-stop curtain of constructing.Water-stop curtain is a concept, is the general name of the peripheral sealing series of project subject, the continuous water-stop body taked for stoping or reduce underground water at the bottom of foundation pit side-wall and foundation ditch to flow into foundation ditch.Water-stop curtain adopts steel concrete campshed as supporting and protection structure, utilizes Pressure Revolving Blast-Grout to make campshed consolidation, be connected with concrete piling, form the airtight barrier that intercepts water.
At present in the construction method of traditional water-stop curtain, adopt churning ram machine construction, need first to draw hole, rear pile, after utilizing the drilling tool of rig that the bit drills with nozzle is proceeded to projected depth, under the effect of high-pressure pump high pressure, by the cement grout of certain water/binder ratio, be pumped to drill bit by high-voltage tube, injected high pressure cement slurries are ejected through nozzle, impact, cut surrounding soil; Drilling tool rotates with certain speed again and promotes simultaneously, and such cement grout action of forced stirring surrounding soil forms cylindrical pile body.Infiltrate because slurries overcome formation resistance in surrounding formation space, rely on cement grout characteristic, solidification stratum, formation strength is improved.
But in water-stop curtain work progress, seashore produces dynamic water effect by tidal effect, will be subject to the effect of soil resistance, make water and soil lose gradually in the process that water flows in soil.Before high-pressure rotary jet grouting pile pile but cement paste in work progress do not reach initial set state, cement paste is taken away by seawater, will cause the quality problems such as empty stake.
Utility model content
The purpose of this utility model is the defect overcoming prior art, dual liquid type high-pressure rotary jetting apparatus is provided, solve before prior art mesohigh rotary churning pile pile but cement paste in work progress do not reach initial set state, cement paste is taken away by seawater, causes the quality problems such as empty stake.
The technical scheme realizing above-mentioned purpose is: provide dual liquid type high-pressure rotary jetting apparatus to comprise chassis, be arranged at main frame on described chassis and drilling tool, described drilling tool comprises:
Drilling rod, comprises water glass conveyance conduit and cement paste conveyance conduit; And
Be connected to the drill bit of described drilling rod, the side of described drill bit is provided with water glass discharging opening, the bottom of described drill bit is provided with cement paste discharging opening, and described water glass discharging opening is communicated with described water glass conveyance conduit, and described cement paste discharging opening is communicated with described cement paste conveyance conduit.
The beneficial effect of the utility model dual liquid type high-pressure rotary jetting apparatus:
The utility model dual liquid type high-pressure rotary jetting apparatus by establishing water glass conveyance conduit in drilling rod, water glass discharging opening is established at drill bit, conveying water glass, cement paste and water glass are admixed react, floccule is formed in short time, thus cement paste rapid solidification, reduce the time of setting of cement paste, the problems such as calculus rate is low under the dynamic regimen conditions such as solution tide, improve the effect of cement injection.
The further improvement of the utility model dual liquid type high-pressure rotary jetting apparatus is, described drilling rod also comprises pressurized water supplying pipe road, and the side of described drill bit is also provided with hydraulic spray, and described hydraulic spray is communicated with described pressurized water supplying pipe road.
The further improvement of the utility model dual liquid type high-pressure rotary jetting apparatus is, the radius of described water glass discharging opening is 1.0mm to 2.0mm.
The further improvement of the utility model dual liquid type high-pressure rotary jetting apparatus is, the radius of described hydraulic spray is 0.5mm to 1.0mm.
Accompanying drawing explanation
Fig. 1 is the front view of the drilling tool of the utility model dual liquid type high-pressure rotary jetting apparatus.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides dual liquid type high-pressure rotary jetting apparatus dual liquid type high-pressure rotary jetting apparatus, is described the utility model dual liquid type high-pressure rotary jetting apparatus below in conjunction with accompanying drawing.
The utility model dual liquid type high-pressure rotary jetting apparatus comprises chassis, be arranged at main frame on chassis and drilling tool.Consult Fig. 1, show the front view of the drilling tool of the utility model dual liquid type high-pressure rotary jetting apparatus.As shown in Figure 1, drilling tool comprises drilling rod 1 and drill bit 2, and wherein drill bit 2 is connected to drilling rod 1.
Drilling rod 1 comprises water glass conveyance conduit 10, pressurized water supplying pipe road 11 and cement paste conveyance conduit 12.In the present embodiment, water glass conveyance conduit 10, pressurized water supplying pipe road 11 and cement paste conveyance conduit 12 are arranged in parallel.Water glass conveyance conduit 10 is for carrying water glass, and water glass for building is silicate of soda (Na
2onSiO
2) the aqueous solution.
Mineral contained by cement itself are met water and are reacted, produce calcium hydroxide and hydrated calcium silicate gel etc., and water glass and calcium hydroxide form hydrated calcium silicate, impel Silicon in Cement acid calcium mineral to isolate calcium hydroxide further and continue reaction, until consume a side of negligible amounts, reaction completes, so water glass and cement blending can make cement paste rapid solidification.The primary chemical chemical equation of cement and water glass: Ca (OH)
2+ Na
2onSiO
2+ mH
2o → CanSiO
2+ NaOH+mH
2o.Caused by the colloidal substance that the condensation of cement itself and the mainly hydrated cementitious that hardens separate out gelling, in the hydration process of tricalcium silicate, produce calcium hydroxide: 3CaSiO
2+ nH
2o → 2CaOSiO
2(n-1) H
2o+Ca (OH)
2.In the present embodiment, utilize the reaction between cement and water glass to solve long and time time of setting of single liquid cement paste and be difficult to control, the problems such as under river channels calculus rate is low, improve the effect of cement injection.In the drilling rod 1 of dual liquid type high-pressure rotary jetting apparatus, establish the water glass conveyance conduit 10 being exclusively used in conveying water glass, avoid the blocking causing pipeline, construction control is more flexible simultaneously.In the present embodiment, modulus M=2.8 ~ 3.1 of water glass, water glass solution concentration Be '=35 ~ 40, Water glass content is 8% of cement weight, thus gelling time can be controlled at about about 30 minutes.The outfit of water glass solution must use fresh water, prevents the chlorion in seawater and water glass from reacting.
Pressurized water supplying pipe road 11 is for conveying high-pressure water, and in the present embodiment, high-pressure hydraulic pressure is not less than 25MPa.Cement paste conveyance conduit 12 is for carrying cement paste.In the present embodiment, the water/binder ratio of cement paste is 0.8, and the proportion of cement paste is 1.0.
Drill bit 2 is connected to drilling rod 1, the side of drill bit 2 is provided with water glass discharging opening 20 and hydraulic spray 21, the bottom of drill bit 2 is provided with cement paste discharging opening 22, and water glass discharging opening 20 is communicated with water glass conveyance conduit 10, for water glass is discharged water glass conveyance conduit 10.Hydraulic spray 21 is located at the side of drill bit 2, and be positioned at above water glass discharging opening 20, hydraulic spray 21 is communicated with pressurized water supplying pipe road 11, for water under high pressure is discharged pressurized water supplying pipe road 11.Cement paste discharging opening 22 is located at the bottom of drill bit 2, and cement paste discharging opening 22 is communicated with cement paste conveyance conduit 12, for cement paste is discharged cement paste conveyance conduit 12.In the present embodiment, the radius of water glass discharging opening 20 is 1.0mm to 2.0mm.The radius of hydraulic spray 21 is 0.5mm to 1.0mm.Water under high pressure sprays from hydraulic spray 21, cement paste sprays from cement paste discharging opening 22, thus cement paste and water glass are admixed reaction and made cement paste rapid solidification, reduces the time of setting of cement paste, the problems such as calculus rate is low under the dynamic regimen conditions such as solution tide, improve the effect of cement injection.
Below the construction sequence of the utility model dual liquid type high-pressure rotary jetting apparatus is briefly described:
Stake position measuring, makes mark in the scope of operation by the true fixed pile of designing requirement;
By mark perforate, carry out immediately after driller insertion drawing hole work, first with drawing hole machine pore-forming during pore-forming, doing casing with the steel pipe of diameter 150mm and preventing collapse hole, then in casing, install the pvc pipe of 110mm as final casing, the steel pipe of diameter 150mm is extracted by pvc pipe at the bottom of hole thereupon.Draw hole depth to enter strong-weathered rock and be not less than 50cm;
Pore-forming is complete carries out high pressure jet grouting work immediately, stirs slurry system, high-pressure injection pump etc., connect high-pressure injection pump and water feeder, start all devices and carry out test-run a machine, pressure testing by construction requirement installation dual liquid type high-pressure rotary jetting apparatus, backstage;
Nozzle is started high pressure pumping slurry down at the bottom of hole during 50cm, drilling rod starts to rotate upwards with the speed-raising of 8cm/min, and from bottom to top, carry out continuously, the pressure of pumping water under high pressure is not less than 25MPa, is sprayed by hydraulic spray.Because drilling rod rotates, cutting force is produced to the soil body, form the curtain pile of diameter 0.8m.Mixture is formed with the soil body of chopping after cement paste sprays from the cement paste discharging opening 22 of the bottom of drill bit 2, water glass reacts with cement from the backward lower inflow mixture of water glass discharging opening ejection simultaneously, guarantee to reach initial set in 30 minutes, avoiding cement paste affects by tidal force and is pulled away and causes the situation of empty stake;
If there is machine halt trouble in construction, after fixing, overlap joint is downwards needed to be not less than the length of 50cm, to ensure the globality of induration;
Anti-slurry situation to be observed in time in work progress, if there is not the anti-situation such as slurry because of slurries seepage, Grouting Pipe should be rested on not anti-position sustained firing slip casting of starching, pressure is decreased to simultaneously and be not more than 3MPa, starch until counter;
To during close to the scope of operation, close high-pressure injection pump, stop whitewashing, exit drill bit and rapid hole sealing, anti-grouting outflow.
The beneficial effect of the utility model dual liquid type high-pressure rotary jetting apparatus is:
The utility model dual liquid type high-pressure rotary jetting apparatus by establishing water glass conveyance conduit in drilling rod, water glass discharging opening is established at drill bit, conveying water glass, cement paste and water glass are admixed react, form floccule in the short time, cement paste rapid solidification, reduce the time of setting of cement paste, effectively prevent tidal action power to take away effect to cement paste, solve the problems such as calculus rate is low under the dynamic regimen conditions such as tide, improve the effect of cement injection; Can also effectively avoid causing drilling rod to be wrapped the problem that cannot construct because shortening jelling time, the fluctuation tide time period is avoided without the need to considering in work progress, improve workmanship, save a large amount of duration and fund input, convenient and swift, stagnant water effect is good, is widely used in double pipe, triple pipe construction technology, applied widely.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (4)
1. a dual liquid type high-pressure rotary jetting apparatus, comprise chassis, be arranged at main frame on described chassis and drilling tool, it is characterized in that, described drilling tool comprises:
Drilling rod, comprises water glass conveyance conduit and cement paste conveyance conduit; And
Be connected to the drill bit of described drilling rod, the side of described drill bit is provided with water glass discharging opening, the bottom of described drill bit is provided with cement paste discharging opening, and described water glass discharging opening is communicated with described water glass conveyance conduit, and described cement paste discharging opening is communicated with described cement paste conveyance conduit.
2. dual liquid type high-pressure rotary jetting apparatus as claimed in claim 1, it is characterized in that, described drilling rod also comprises pressurized water supplying pipe road, and the side of described drill bit is also provided with hydraulic spray, and described hydraulic spray is communicated with described pressurized water supplying pipe road.
3. dual liquid type high-pressure rotary jetting apparatus as claimed in claim 2, it is characterized in that, the radius of described water glass discharging opening is 1.0mm to 2.0mm.
4. dual liquid type high-pressure rotary jetting apparatus as claimed in claim 2, it is characterized in that, the radius of described hydraulic spray is 0.5mm to 1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565524.5U CN204825911U (en) | 2015-07-31 | 2015-07-31 | Biliquid type high pressure jet machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565524.5U CN204825911U (en) | 2015-07-31 | 2015-07-31 | Biliquid type high pressure jet machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825911U true CN204825911U (en) | 2015-12-02 |
Family
ID=54683527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565524.5U Expired - Fee Related CN204825911U (en) | 2015-07-31 | 2015-07-31 | Biliquid type high pressure jet machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204825911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847181A (en) * | 2019-11-15 | 2020-02-28 | 广东地山基础工程有限公司 | Rotary spraying reinforcement spray head, reinforcement device while drilling comprising same and construction method |
| CN115434306A (en) * | 2022-09-28 | 2022-12-06 | 山西冶金岩土工程勘察有限公司 | High-rotation jet grouting pile construction process |
-
2015
- 2015-07-31 CN CN201520565524.5U patent/CN204825911U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847181A (en) * | 2019-11-15 | 2020-02-28 | 广东地山基础工程有限公司 | Rotary spraying reinforcement spray head, reinforcement device while drilling comprising same and construction method |
| CN115434306A (en) * | 2022-09-28 | 2022-12-06 | 山西冶金岩土工程勘察有限公司 | High-rotation jet grouting pile construction process |
| CN115434306B (en) * | 2022-09-28 | 2024-06-14 | 山西冶金岩土工程勘察有限公司 | High-rotation spray pile construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104747075B (en) | Anti-collapsing drilling method for grout spraying of soft coal seam | |
| CN100591866C (en) | Drifting sand layer and gravel stratum water-moving double-liquid high pressure slip-casting water-blocking construction method | |
| CN110130326B (en) | High-pressure jet grouting pile construction method for building application | |
| CN101525881B (en) | Structure of karst strata pile holes protecting wall and method for constructing pile holes | |
| CN104929114A (en) | High pressure jet grouting pile waterproof curtain construction device and method | |
| CN101230573B (en) | Construction equipment for four-layer pipe ground layer depression type double-liquid horizontal jet grouting | |
| CN104631480B (en) | Adopt the method that jet grouting pile driving machine carries out water seal for deep foundation pit curtain construction | |
| CN103912003B (en) | The method of water and hole is moved on a kind of simple and efficient shutoff stratum | |
| CN101235636B (en) | Device for fast concreting soft soil ground foundation by high-pressure injecting double-liquor slurry | |
| CN101245599B (en) | Construction equipment for generating horizontal jet grouting reinforcing body by injecting double-liquid liquid with high-pressure | |
| CN204753574U (en) | High pressure jet grouting pile stagnant water curtain construction equipment | |
| CN106284295A (en) | Multichannel high-pressure vibro-grouting jet groutinl construction method | |
| CN107218078B (en) | It is filled for underground coal goaf and abandoned workings, the new technology of grouting filling | |
| CN203361143U (en) | Combination structure of high-pressure jet grouting pile and prestressed pipe pile | |
| CN107653889A (en) | A kind of shaped steel pressure is poured water the construction method of soil curtain support pile | |
| CN101225740A (en) | Annular filling method for space between freezing pipe and surrounding rock | |
| CN113027483A (en) | Shield tunnel broken zone stratum grouting reinforcement equipment and grouting reinforcement method thereof | |
| CN101021157A (en) | Omnibearing high-pressure injection slip casting construction method with orifice grout stop | |
| CN204418184U (en) | High-pressure rotary jet grouting pile double-jacket tube drilling construction device | |
| CN204825911U (en) | Biliquid type high pressure jet machine | |
| CN210049233U (en) | Construction equipment based on high-pressure jet grouting pile application | |
| CN101205718A (en) | Method and equipment for seepage-proofing construction of dam and foundation pit | |
| CN110130325B (en) | Construction method for rock drilling and grouting | |
| CN204728334U (en) | A kind of mud mixing appliance | |
| CN105952417A (en) | Slurry mixing, slurry injection and water blocking device for adding dry aggregates outside holes of super high-water material of strong water-containing layer |
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: 20151202 Termination date: 20210731 |