CN106640090B - Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions - Google Patents
Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions Download PDFInfo
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- CN106640090B CN106640090B CN201710113252.9A CN201710113252A CN106640090B CN 106640090 B CN106640090 B CN 106640090B CN 201710113252 A CN201710113252 A CN 201710113252A CN 106640090 B CN106640090 B CN 106640090B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 73
- 239000003245 coal Substances 0.000 title abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000007569 slipcasting Methods 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 claims abstract description 6
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000005728 strengthening Methods 0.000 claims description 15
- 210000004911 serous fluid Anatomy 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/16—Preparation of the ground by petrification
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides newly-built deep vertical pre grouting from the surface monitoring system under a kind of neighbouring existing wellbore conditions, including：Grouting pressure set-up of control system is in the pre grouting from the surface pumping plant of newly-built deep vertical periphery, for monitoring the changing value of grouting pressure；Water level automatic monitoring system is arranged in the peephole between newly-built deep vertical and neighbouring existing pit shaft, for the SEA LEVEL VARIATION value in monitoring and observation hole；Borehole wall depressurized system is arranged on the borehole wall of existing pit shaft；When the slurry pressure that is transferred on the existing pit shaft borehole wall of diffusion exceedes the design external load value on the existing pit shaft borehole wall, borehole wall depressurized system is by automatically unloading, for preventing the existing pit shaft borehole wall is met with from destroying.The present invention uses the protection of triple monitoring systems; make under neighbouring existing wellbore conditions safer Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system, science and rationally; it can effectively prevent the high pressure slurries of slip casting from breaking up neighbouring existing pit shaft, it is ensured that existing pit shaft safe operation.
Description
Technical field
The present invention relates to a kind of pre-pouring grout monitoring system, and in particular to Newly-built Coal Mine is deep under a kind of neighbouring existing wellbore conditions
Vertical pre grouting from the surface monitoring system.
Background technology
In recent years, as production colliery superficial part resource is progressively exhausted, in order to ensure the sustainable development of mine, most mines
There is an urgent need to reorganization and expansion with high safety and deep horizontal extension line project, newly-built deep shaft engineering is increasingly such as in surface plant
Increase.Due to multiple pit shafts such as existing main shaft, auxiliary shaft and ventilating shaft in surface plant, deep vertical newly-built in the case will be adjacent to both
There is pit shaft, typically at a distance of 50~150m or so between newly-built deep vertical and existing pit shaft.
During newly deep vertical is built in colliery, grouting and water-proof curtain can be formed around pit shaft using pre grouting from the surface technology
Curtain, so as to which water yield, improvement sinking shaft condition and the quickening speed of application during shaft construction be greatly lowered.Due in industry
The pit shaft of newly-built deep vertical is deep in square, and the hydraulic pressure in water-bearing layer is big, carries out during pre grouting from the surface that grouting pressure will be very high, such
Under big grouting pressure effect, grouting serous fluid will be far along formation fracture migration, when grouting serous fluid runs into neighbouring existing pit shaft
When, high pressure slurries will break the borehole wall of existing pit shaft, the existing pit shaft of heavy damage, and the safety in production to mine causes serious prestige
The side of body.Nowadays at home, existing multiple mine accidents are beaten by pre grouting from the surface is carried out during newly-built pit shaft in surface plant
Bad neighbouring existing pit shaft is so as to initiation.To sum up, Newly-built Coal Mine depth vertical carries out pre grouting from the surface under neighbouring existing wellbore conditions
When, it is necessary to scientific and rational monitoring system is used, prevents the high pressure slurries of slip casting from breaking up neighbouring original pit shaft, it is ensured that both
There is pit shaft safe operation.
Therefore, carrying out Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system research under neighbouring existing wellbore conditions has ten
Divide important meaning.
The content of the invention
It is an object of the invention to provide Newly-built Coal Mine depth vertical pre grouting from the surface under a kind of neighbouring existing wellbore conditions to supervise
Control system, with when at least solving that Newly-built Coal Mine depth vertical carries out pre grouting from the surface under neighbouring existing wellbore conditions at present, injection
High pressure slurries break up neighbouring existing pit shaft, the problem of causing serious security incident to existing pit shaft.
To achieve these goals, the present invention provides following technical scheme：
Newly-built deep vertical pre grouting from the surface monitoring system under a kind of neighbouring existing wellbore conditions, the pre-pouring grout monitoring system
Including：
Grouting pressure control system, the grouting pressure set-up of control system are pre- on the ground of the newly-built deep vertical periphery
In grouting pump station, for monitoring the changing value of grouting pressure；
Water level automatic monitoring system, the water level automatic monitoring system are arranged on the newly-built deep vertical and neighbouring existing well
In peephole between cylinder, for monitoring the SEA LEVEL VARIATION value caused by grouting serous fluid in the peephole；
Borehole wall depressurized system, the borehole wall depressurized system are arranged on the borehole wall of the existing pit shaft；When diffusion is transferred to
When slurry pressure on the existing pit shaft borehole wall exceedes the design external load value on the existing pit shaft borehole wall, the borehole wall release
System destroys automatically unloading for preventing the existing pit shaft borehole wall from meeting with.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that described
Grouting pressure control system includes：
Grouting pipeline, for the grouting serous fluid in the pre grouting from the surface pumping plant to be delivered in multiple injected holes；
High pressure four-way valve, the first connector and the second connector of the high pressure four-way valve are provided with the grouting pipeline
Be both connected on the grouting pipeline, and first connector is connected by high-pressure slip-casting flexible pipe with grouting pump, described second
Connector is connected by high-pressure slip-casting flexible pipe with slip casting interface tube.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that described
Pressure sensor is installed on the 3rd connector of high pressure four-way valve, is provided with and unloads on the 4th connector of the high pressure four-way valve
Pressure valve；
And the pressure sensor and the grouting pump are connected by signal transmssion line with computer, by the computer
Receive the keying whether signal, the control grouting pump that the pressure sensor is sent worked and controlled the pressure-relief valve.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that multiple
The injected hole circumferentially arranges the periphery for being centered around the newly-built deep vertical.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that described
Peephole is arranged on the middle position between the newly-built deep vertical and neighbouring existing pit shaft.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that described
Water level automatic monitoring system is water level automatic monitoring instrument, for monitoring the SEA LEVEL VARIATION caused by grouting serous fluid in the peephole
Situation；The SEA LEVEL VARIATION signal that the water level automatic monitoring instrument is sent is transmitted to computer, and water level is received by the computer
After variable signal, the instruction for whether stopping slip casting being sent to grouting pump.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that just
Pressure relief vent is set on the borehole wall of the neighbouring existing pit shaft of the corresponding newly-built deep vertical, the borehole wall depressurized system passed through described
Pressure relief vent is arranged on the inner side of the borehole wall of the existing pit shaft, and the outside of the borehole wall of the existing pit shaft is water-bearing layer.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that described
Borehole wall depressurized system includes：
Triple Valve with High Pressure, the first connector connection release steel pipe of the Triple Valve with High Pressure, the release steel pipe pass through institute
The borehole wall for stating existing pit shaft is connected with the pressure relief vent；
High-pressure ball valve, the high-pressure ball valve are connected with the second connector of the Triple Valve with High Pressure；
Automatic relief valve, the automatic relief valve are connected with the 3rd connector of the Triple Valve with High Pressure.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that in institute
State and strengthening steel slab is additionally provided with release steel pipe, and the strengthening steel slab is fixed on the inside of the borehole wall of the existing pit shaft.
The newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as described above, it is preferable that in institute
State and packing ring is additionally provided with release steel pipe, the packing ring is located between the strengthening steel slab and the borehole wall of the existing pit shaft；And
The strengthening steel slab is fixed on the borehole wall of the existing pit shaft by fixing Short bolt, for preventing the release steel pipe by high pressure
Slurries or water under high pressure ejection.
Compared with immediate prior art, technical scheme provided by the invention has following excellent effect：
The present invention uses triple monitoring systems of grouting pressure control system, water level automatic monitoring system and borehole wall depressurized system
The protection of system, present invention Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions is set more to pacify
Entirely, science and rationally, can effectively prevent the high pressure slurries of slip casting from breaking up neighbouring existing pit shaft, it is ensured that existing pit shaft is transported safely
Battalion.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.Wherein：
Fig. 1 is the grouting pressure control system schematic diagram of the embodiment of the present invention；
Fig. 2 is to set water level automatic monitoring system to illustrate between the newly-built deep vertical of the embodiment of the present invention and existing pit shaft
Figure；
Fig. 3 is the borehole wall depressurized system schematic diagram of the existing pit shaft of the embodiment of the present invention；
Description of reference numerals：1- grouting pressure control systems；11- grouting pumps；12- signal transmssion lines；13- computers；14-
High-pressure slip-casting flexible pipe；15- high pressure four-way valves；16- pressure-relief valves；17- pressure sensors；18- slip casting interface tubes；2- water levels are supervised automatically
Control system；21- injected holes；The newly-built deep vertical of 22-；The existing ventilating shaft cylinders of 23-；24- peepholes；The existing main holes of 25-；26- is existing
Auxiliary shaft cylinder；3- borehole wall depressurized systems；31- water-bearing layers；The borehole wall of the existing pit shafts of 32-；33- pressure relief vents；34- release steel pipes；35- consolidates
Determine Short bolt；36- packing rings；37- strengthening steel slabs；38- Triple Valve with High Pressure；39- automatic relief valves；310- high-pressure ball valves.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
In the description of the invention, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom " or position relationship are based on orientation shown in the drawings or position relationship, are only
For the ease of the description present invention rather than require that the present invention must be therefore it is not intended that right with specific azimuth configuration and operation
The limitation of the present invention.The term " connected " that is used in the present invention, " connection " should be interpreted broadly, for example, it may be fixedly connected,
Can also be detachably connected；Can be joined directly together, can also be indirectly connected by intermediate member, for the common of this area
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1 to Figure 3, according to an embodiment of the invention, there is provided newly-built coal under a kind of neighbouring existing wellbore conditions
Ore deposit depth vertical pre grouting from the surface monitoring system, pre-pouring grout monitoring system are controlled by computer 13, and pre-pouring grout monitoring system includes：
Grouting pressure control system 1, grouting pressure control system 1 are arranged on the pre grouting from the surface of the newly-built periphery of deep vertical 22
In pumping plant, for accurately controlling the changing value of grouting pressure；In order to observe the spread condition of grouting serous fluid, further control note
The situation of change of pressure is starched, so as to reach the technique effect of the existing pit shaft borehole wall of multiple protective, the present invention is also provided with peephole
24；Water level automatic monitoring system 2, water level automatic monitoring system 2 are arranged between newly-built deep vertical 22 and neighbouring existing pit shaft
In peephole 24, for the SEA LEVEL VARIATION value in monitoring and observation hole 24；In order that the existing pit shaft borehole wall has multiple protective barrier,
The present invention is also provided with borehole wall depressurized system 3, and borehole wall depressurized system 3 is arranged on the borehole wall 32 of existing pit shaft；When diffusion is transmitted
When slurry pressure on to the existing pit shaft borehole wall exceedes the design external load value on the existing pit shaft borehole wall, borehole wall depressurized system 3
By automatically unloading, for preventing the existing pit shaft borehole wall is met with from destroying.
Grouting pressure control system 1 includes：Grouting pipeline, for the grouting serous fluid in pre grouting from the surface pumping plant to be delivered to
In multiple injected holes 21；High pressure four-way valve 15 is provided with grouting pipeline, i.e. high pressure four-way valve 15 is arranged on grouting pump 11 and note
Some opening position on the high-pressure slip-casting flexible pipe 14 between interface tube 18 is starched, and in pre grouting from the surface pumping plant；More specifically
It is both connected to for the first connector and the second connector of high pressure four-way valve 15 on grouting pipeline, and the first connector passes through high pressure
Slip casting flexible pipe 14 is connected with grouting pump 11, the second connector is connected by high-pressure slip-casting flexible pipe 14 with slip casting interface tube 18.High pressure
Pressure sensor 17 is installed on the 3rd connector of four-way valve 15, release is installed on the 4th connector of high pressure four-way valve 15
Valve 16；And pressure sensor 17, pressure-relief valve 16 and grouting pump 11 are connected by signal transmssion line 12 with computer 13, by calculating
Machine 13 receives the keying whether signal, the control grouting pump 11 that pressure sensor 17 is sent worked and controlled pressure-relief valve 16.
Again as shown in Fig. 2 in a particular embodiment of the present invention, multiple injected holes 21 circumferentially arrange and are centered around newly-built depth
The periphery of vertical 22, for forming grouting and water-proof curtain around the newly-built deep vertical 22, so as to which pit shaft be greatly lowered
Water yield, improvement sinking shaft condition and quickening speed of application in work progress.Preferably, injected hole 21 enclose footpath be 15~40m (i.e.
The distance between injected hole 21 and newly-built deep vertical 22 are 15~40m)；Preferably, the injected hole 21 in the embodiment of the present invention is excellent
Elect 8 as.In newly-built deep vertical 22, (existing pit shaft includes multiple pit shafts, such as existing main hole 25, existing wind with existing pit shaft
Pit shaft 23 and existing auxiliary shaft cylinder 26) between construction peephole 24, and the installation water level automatic monitoring system in the peep hole 24 are set
2, for the SEA LEVEL VARIATION situation in monitoring and observation hole 24.
In a particular embodiment of the present invention, peephole 24 is arranged on outside grouting and water-proof curtain and had with newly-built deep vertical 22
A certain distance, in order to can just can be to grouting serous fluid before grouting serous fluid diffuses to newly-built deep vertical 22 diffusion feelings
Condition is detected, and prevents accident；Preferably, peephole 24 is arranged between newly-built deep vertical 22 and neighbouring existing pit shaft
Middle position.
In a particular embodiment of the present invention, water level automatic monitoring system 2 is water level automatic monitoring instrument, and water level monitors automatically
Instrument is arranged in peephole 24, for the SEA LEVEL VARIATION situation in monitoring and observation hole 24；Specially water level automatic monitoring instrument is used
Wire rope suspensioning, transfer in peephole 24 at the 20m of underwater；The SEA LEVEL VARIATION signal that water level automatic monitoring instrument is sent transmit to
On computer 13, after receiving SEA LEVEL VARIATION signal by computer 13, the instruction for whether stopping slip casting being sent to grouting pump 11.
In a particular embodiment of the present invention, and as shown in figure 3, the neighbouring existing pit shaft of newly-built deep vertical 22 is just being corresponded to
The borehole wall 32 on set pressure relief vent 33, by borehole wall depressurized system 3 by pressure relief vent 33 be arranged on existing pit shaft the borehole wall 32 in
Side, the outside of the borehole wall 32 of existing pit shaft is water-bearing layer 31.
In a particular embodiment of the present invention, borehole wall depressurized system 3 includes：Triple Valve with High Pressure 38, Triple Valve with High Pressure 38
First connector connection release steel pipe 34, the borehole wall 32 of release steel pipe 34 through existing pit shaft is connected with pressure relief vent 33；Smash
Valve 310, high-pressure ball valve 310 are connected with the second connector of Triple Valve with High Pressure 38；Automatic relief valve 39, automatic relief valve 39 and height
The 3rd connector connection of triple valve 38 is pressed, automatic pressure-relief function can be achieved.Strengthening steel slab is additionally provided with release steel pipe 34
37, and strengthening steel slab 37 is fixed on the inner side of the borehole wall 32 of existing pit shaft.It is further preferred that also set up on release steel pipe 34
There is packing ring 36, packing ring 36 is located between strengthening steel slab 37 and the borehole wall 32 of existing pit shaft；And packing ring 36 and strengthening steel slab 37 by
Fixed Short bolt 35 is fixed on the borehole wall 32 of existing pit shaft, for preventing release steel pipe 34 by high pressure slurries and water under high pressure top
Go out.Embodiments of the invention set packing ring, are in order to which the outside for preventing press water along pressure relief vent 33, release steel pipe 34 flows into both
Have in pit shaft；Embodiments of the invention set strengthening steel slab 37 effect be：Strengthening steel slab is fixed on by fixed Short bolt 35
On the borehole wall 32 of existing pit shaft, release steel pipe 34 is pushed down, after preventing that press water from ejecting release steel pipe 34, causes press water
It is uncontrollable and flood well.In embodiments of the invention when constructing pressure relief vent 33, drilling rod is constructed through high-pressure ball valve 310,
After being drilled pressure relief vent 33, drilling rod is transferred to, closes the valve of high-pressure ball valve 310, prevents water under high pressure from flowing into pit shaft.
In summary, the present invention uses grouting pressure control system 1, water level automatic monitoring system 2 and borehole wall depressurized system 3
Triple monitoring systems protection, make the present invention neighbouring existing wellbore conditions under Newly-built Coal Mine depth vertical pre grouting from the surface monitoring
System more science, rationally, can effectively prevent the high pressure slurries of slip casting from breaking up neighbouring original pit shaft, it is ensured that existing pit shaft safety
Operation, it is specific as follows：
As shown in figure 1, the present invention prevents that slurry pressure is excessive and damages by pressure neighbouring existing in order to accurately control grouting pressure
Pit shaft, so as to be provided with grouting pressure control system 1.The high-pressure slip-casting connected between grouting pump 11 and slip casting interface tube 18 is soft
High pressure four-way valve 15 is provided with pipe 14, and pressure sensor 17 and pressure-relief valve 16, pressure are mounted with high pressure four-way valve 15
Sensor 17 is connected with computer 13, monitors the situation of change of grouting pressure value in real time.When grouting pressure value is higher than design load,
Computer 13 will send command signal, be powered off automatically to grouting pump 11, while automatically open up pressure-relief valve 16 and carry out release, and then
Have the function that accurately control grouting pressure, the pressure-relief valve 16 is controlled by computer, when grouting pump 11 stops slip casting, is unloaded
Pressure valve 16 can just open carry out automatically unloading.
As shown in Fig. 2 slip casting peephole 24 is set between newly-built deep vertical 22 and neighbouring existing pit shaft, in peephole 24
Water level automatic monitoring instrument is installed, for the SEA LEVEL VARIATION in real-time monitoring and observation hole 24, when grouting serous fluid is expanded by rock crack
When being scattered to peephole 24, water level automatic monitoring instrument shows that water level is begun to ramp up, and sends the signal of SEA LEVEL VARIATION to computer 13,
Instruction is sent from computer 13 to grouting pump 11, stops slip casting.
As shown in figure 3, the newly-built direction of deep vertical 22 is just being corresponded to, the existing well in existing pit shaft adjacent to the position of water-bearing layer 31
Automatic relief valve 39 is installed in drilling on the cylinder borehole wall, when grouting serous fluid diffusion is transferred on the existing pit shaft borehole wall, and grouting serous fluid
Pressure exceed the existing pit shaft borehole wall design external load value when, automatic relief valve 39 automatically opens up release, it is ensured that existing well
The cylinder borehole wall exempts from destruction.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions, it is characterised in that the pre- note Slurry monitoring system includes：Grouting pressure control system, pre grouting from the surface of the grouting pressure set-up of control system in the newly-built deep vertical periphery In pumping plant, for monitoring the changing value of grouting pressure；Water level automatic monitoring system, the water level automatic monitoring system be arranged on the newly-built deep vertical and neighbouring existing pit shaft it Between peephole in, for monitoring the SEA LEVEL VARIATION value in the peephole；Borehole wall depressurized system, the borehole wall depressurized system are arranged on the borehole wall of the existing pit shaft；Described in being transferred to when diffusion When slurry pressure on the existing pit shaft borehole wall exceedes the design external load value on the existing pit shaft borehole wall, the borehole wall depressurized system By automatically unloading, destroyed for preventing the existing pit shaft borehole wall from meeting with.
- 2. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 1, its feature It is, the grouting pressure control system includes：Grouting pipeline, for the grouting serous fluid in the pre grouting from the surface pumping plant to be delivered in multiple injected holes；High pressure four-way valve is provided with the grouting pipeline, the first connector and the second connector of the high pressure four-way valve connect It is connected on the grouting pipeline, and first connector is connected by high-pressure slip-casting flexible pipe with grouting pump, second connection Mouth is connected by high-pressure slip-casting flexible pipe with slip casting interface tube.
- 3. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 2, its feature It is, pressure sensor, the 4th connector of the high pressure four-way valve is installed on the 3rd connector of the high pressure four-way valve On pressure-relief valve is installed；And the pressure sensor and the grouting pump are connected by signal transmssion line with computer, are received by the computer Whether signal, the control grouting pump of the pressure sensor transmission work and control the keying of the pressure-relief valve.
- 4. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 2, its feature It is, multiple injected holes circumferentially arrange the periphery for being centered around the newly-built deep vertical.
- 5. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 1, its feature It is, the peephole is arranged on the middle position between the newly-built deep vertical and neighbouring existing pit shaft.
- 6. newly-built deep vertical pre grouting from the surface monitoring system under the neighbouring existing wellbore conditions as described in claim 1 or 5, it is special Sign is that the water level automatic monitoring system is water level automatic monitoring instrument, is caused for monitoring grouting serous fluid in the peephole SEA LEVEL VARIATION situation；The SEA LEVEL VARIATION signal that the water level automatic monitoring instrument is sent is transmitted to computer, by the calculating After machine receives SEA LEVEL VARIATION signal, the instruction for whether stopping slip casting being sent to grouting pump.
- 7. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 1, its feature It is, pressure relief vent is set on the borehole wall of neighbouring existing pit shaft for just corresponding to the newly-built deep vertical, by the borehole wall release system System is arranged on the inner side of the borehole wall of the existing pit shaft by the pressure relief vent, and the outside of the borehole wall of the existing pit shaft is aqueous Layer.
- 8. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 7, its feature It is, the borehole wall depressurized system includes：Triple Valve with High Pressure, the first connector connection release steel pipe of the Triple Valve with High Pressure, the release steel pipe through it is described both The borehole wall for having pit shaft is connected with the pressure relief vent；High-pressure ball valve, the high-pressure ball valve are connected with the second connector of the Triple Valve with High Pressure；Automatic relief valve, the automatic relief valve are connected with the 3rd connector of the Triple Valve with High Pressure.
- 9. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 8, its feature It is, strengthening steel slab is additionally provided with the release steel pipe, and the strengthening steel slab is fixed on the borehole wall of the existing pit shaft On inner side.
- 10. newly-built deep vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions as claimed in claim 9, its feature It is, packing ring is additionally provided with the release steel pipe, and the packing ring is located at the well of the strengthening steel slab and the existing pit shaft Between wall；And the strengthening steel slab is fixed on the borehole wall of the existing pit shaft by fixing Short bolt, for preventing the release Steel pipe is ejected by high pressure slurries or water under high pressure.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113252.9A CN106640090B (en) | 2017-02-28 | 2017-02-28 | Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions |
| PCT/CN2017/117960 WO2018157654A1 (en) | 2017-02-28 | 2017-12-22 | System for monitoring ground pre-grouting of newly-built deep vertical shaft of colliery under the condition of adjacency to existing mineshaft |
| NO20190909A NO345682B1 (en) | 2017-02-28 | 2017-12-22 | System for monitoring ground pre-grouting of newly-built deep vertical shaft of colliery under the condition of adjacency to existing mineshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113252.9A CN106640090B (en) | 2017-02-28 | 2017-02-28 | Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN101586459A (en) * | 2009-06-19 | 2009-11-25 | 山东大学 | Deep well grouting pressure reduction system for underground pressure measurement and ground throttle control |
| CN101858222A (en) * | 2010-05-25 | 2010-10-13 | 北京城建设计研究总院有限责任公司 | Method for controlling deformation in zero-distance tunneling of new tunnel under existing subway construction |
| CN102979105A (en) * | 2012-12-15 | 2013-03-20 | 天津大学 | Underground water control method of wellhole grouting and seepage insulation |
| CN203573178U (en) * | 2013-07-31 | 2014-04-30 | 曾胜 | Grouting slurry pressure control device |
| CN204492745U (en) * | 2015-01-12 | 2015-07-22 | 安徽理工大学 | Between monitoring two-layer compound Shaft Linings, hydraulic pressure is to determine the device of best time for injecting |
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| KR101282184B1 (en) * | 2012-01-18 | 2013-07-04 | 주식회사 효원이앤씨 | Grouting apparatus |
| CN106640090B (en) * | 2017-02-28 | 2018-01-02 | 安徽理工大学 | Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions |
| CN206681739U (en) * | 2017-02-28 | 2017-11-28 | 安徽理工大学 | Newly-built Coal Mine depth vertical pre grouting from the surface monitoring system under neighbouring existing wellbore conditions |
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- 2017-02-28 CN CN201710113252.9A patent/CN106640090B/en active Active
- 2017-12-22 WO PCT/CN2017/117960 patent/WO2018157654A1/en active Application Filing
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|---|---|---|---|---|
| CN101586459A (en) * | 2009-06-19 | 2009-11-25 | 山东大学 | Deep well grouting pressure reduction system for underground pressure measurement and ground throttle control |
| CN101858222A (en) * | 2010-05-25 | 2010-10-13 | 北京城建设计研究总院有限责任公司 | Method for controlling deformation in zero-distance tunneling of new tunnel under existing subway construction |
| CN102979105A (en) * | 2012-12-15 | 2013-03-20 | 天津大学 | Underground water control method of wellhole grouting and seepage insulation |
| CN203573178U (en) * | 2013-07-31 | 2014-04-30 | 曾胜 | Grouting slurry pressure control device |
| CN204492745U (en) * | 2015-01-12 | 2015-07-22 | 安徽理工大学 | Between monitoring two-layer compound Shaft Linings, hydraulic pressure is to determine the device of best time for injecting |
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| 张集新副井地面预注浆及监测技术研究;曾松春 等;《安徽理工大学学报（自然科学版）》;20140331;第34卷(第1期);76-79 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018157654A1 (en) | 2018-09-07 |
| CN106640090A (en) | 2017-05-10 |
| NO345682B1 (en) | 2021-06-14 |
| NO20190909A1 (en) | 2019-07-18 |
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