CN205805607U - A kind of arrangement of gas drainage pipeline - Google Patents
A kind of arrangement of gas drainage pipeline Download PDFInfo
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- CN205805607U CN205805607U CN201620454884.2U CN201620454884U CN205805607U CN 205805607 U CN205805607 U CN 205805607U CN 201620454884 U CN201620454884 U CN 201620454884U CN 205805607 U CN205805607 U CN 205805607U
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- lane
- gas drainage
- air return
- auger boring
- return way
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- 229910000831 Steel Inorganic materials 0.000 description 3
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Abstract
The utility model discloses the arrangement of a kind of gas drainage pipeline, between first air return way and the second air return way, interval is disposed with multiple lane, auger boring is offered between adjacent described lane, described auger boring connects described first air return way and described second air return way, distance between described auger boring with adjacent described lane is less than the gas drainage under suction radius of described gas drainage pipeline, and described gas drainage pipeline is arranged in described auger boring and described lane.Owing to will be changed into auger boring by original connection lane between adjacent lane, decrease the headwork amount in connection lane, it is ensured that driving safely, add single water inlet and put down, decrease production cost.
Description
Technical field
This utility model relates to the extraction field of mine gas, particularly relates to the arrangement of a kind of gas drainage pipeline.
Background technology
In recent years, developing to deep along with China's coal-mine produces, mine gas gets more and more, and gas administration difficulty is increasingly
Greatly, goaf gas concentration management becomes the important step of mine safety production, and mostly current goaf drainage system is gas
Extraction supervisor's pipe laying is in No. two air return way of fully-mechanized mining working, and every 50m driving between one, No. two air return way of work surface
Gas drainage under suction arm is installed in one Ge Lian lane, and work surface goaf is carried out gas drainage under suction.Traditional utilization connection lane arranges that gas is taken out
The structure putting pipeline has the disadvantage in that
(1) meet cracks in coal seam to grow, base plate argillization, when using the big machinery driving being similar to anchor driving machine, continuous milling machine, by
In fuselage weight, during construction connection lane, anchor driving machine crawler belt rubs stone roller base plate with the hands to open section coal seam floor failure seriously back and forth, has both affected pick
Entering single water inlet, flat affect again quality standardization up to standard, also increase work surface operation labor intensity.
(2) arranging a Ge Lian lane due to every 50m, coal column is little, and connection lane opening area of suspension roof is relatively big, is unfavorable for that breaking roof is tieed up
Protect；Safeguard that breaking roof need to strengthen bolt and cable anchor supporting simultaneously, both affected the single water inlet of driving flat, and added again supporting expense.
(3) the single water inlet in construction connection lane is flat low, and single water inlet is flat refers to each class monthly digging laneway length, it is impossible to be effectively ensured
Fully-mechanized mining working is found time in advance in advance.
(4) to install arm consumable material more in connection lane, and not easy care, there is connection lane, goaf roof collapse and smashes arm
Phenomenon, affects gas drainage results, there is Air return corner gas exceeding limit hidden danger.
(5) gas drainage under suction arm connection lane close time ventilating engineering amount greatly, costly, and close after there is goaf air leaking
Phenomenon.
Therefore, it is necessary to design a kind of ensure that driving safely, add single water inlet put down, decrease production cost watt
The arrangement of this extraction pipeline.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that one ensure that driving safely, add
The arrangement of the gas drainage pipeline of production cost is put down, is decreased in single water inlet.
The technical solution of the utility model provides the arrangement of a kind of gas drainage pipeline, the first air return way and second
Between air return way, interval is disposed with multiple lane, offers auger boring between adjacent described lane, and described auger boring is even
Logical described first air return way and described second air return way, the distance between described auger boring with adjacent described lane is less than
The gas drainage under suction radius of described gas drainage pipeline, described gas drainage pipeline is arranged in described auger boring and described lane
In.
Further, described gas drainage under suction radius is 35-100m, and the distance in adjacent described lane is 70-150m, described spiral shell
The distance in the rotation adjacent described lane of hole spacing is 35-75m.
Further, offering two auger borings between adjacent described lane, described gas drainage under suction radius is 50m, phase
The distance in adjacent described lane is 105m, and the described auger boring distance apart from adjacent described lane is 35m, adjacent described auger
Distance between hole is also 35m.
Further, the aperture of described auger boring is ф 600m.
Further, described auger boring is parallel to each other with described lane.
Further, it is in tilted layout between described auger boring and described lane.
Further, before described auger boring construction, described first return air that described auger boring reserved location is corresponding is suitable
Groove and described second air return way utilize glass fibre reinforced plastics rockbolts to carry out supporting.
Further, distance the most described first air return way of work surface, distance work surface nearer for described second
Air return way, the opening of described auger boring is arranged on described second air return way, and the saturating mouth of described auger boring is arranged on institute
State the first air return way.
Further, the base plate 1.5m of the second air return way described in described extended distance, described mouth is apart from described first
The top board 1m of air return way, described auger boring is constructed in the horizontal direction.
After using technique scheme, have the advantages that
Owing to will be changed into auger boring by original connection lane between adjacent lane, decrease the headwork amount in connection lane, protect
Demonstrate,proved driving safely, add single water inlet and put down, decrease production cost.
Accompanying drawing explanation
Fig. 1 is the work surface plane of arrangement figure of the arrangement of gas drainage pipeline in this utility model one embodiment；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the dilling angle of the auger boring of the arrangement of gas drainage pipeline in this utility model one embodiment
Figure.
Reference synopsis:
1-the first air return way 2-the second air return way auxiliary return channel of 3-
First air return way in 4-main return channel 5-glue fortune crossheading 6-subsequent work face
The second air return way 8-fully-mechanized mining working 9-in 7-subsequent work face joins lane
The 10-auger boring 11-saturating mouth of opening 12-
Detailed description of the invention
Further illustrate detailed description of the invention of the present utility model below in conjunction with the accompanying drawings.
Fig. 1 is the work surface plane of arrangement figure of the arrangement of gas drainage pipeline in this utility model one embodiment, i.e.
The top view of work surface.Wherein, the first air return way 1 and the second air return way 2 serve the fully-mechanized mining working 8 in Fig. 1, are used for
Return air and the use that draws out methane, fully-mechanized mining working 8 only need to arrange auger boring 10 in return side and carry out gas drainage under suction；Glue fortune crossheading 5
As installing adhesive tape conveyor and moving changing train use, after back production, just scrap closing.And first return air in subsequent work face is suitable
Second air return way 7 in groove 6 and subsequent work face is two air return way of next work surface.
As shown in Figure 1-2, the arrangement of gas drainage pipeline, between the first air return way 1 and the second air return way 2 between
Every being disposed with multiple lane 9, offering auger boring 10 between adjacent lane 9, auger boring 10 connects the first air return way 1 He
Second air return way 2, the distance between auger boring 10 with adjacent lane 9 is taken out less than the gas of gas drainage pipeline (not shown)
Putting radius, gas drainage pipeline is arranged in auger boring 10 and connection lane 9.
This utility model, compared with prior art, is equivalent to elongate the distance between original adjacent lane, in connection lane
Between add auger boring, utilize the way arranging gas drainage pipeline in auger boring.Instead of existing the most logical
Cross excavation connection lane to arrange the way of gas drainage pipeline.Decrease the quantity in connection lane, the most just decrease the headwork in connection lane
Amount.
In the present embodiment, as in figure 2 it is shown, offer two auger borings 10 between adjacent lane 9.Specifically, gas is taken out
Putting radius is 50m, and the distance in adjacent lane 9 is 105m, and the auger boring 10 distance apart from adjacent lane 9 is 35m, adjoining spiral
Distance between boring 10 is also 35m.
Wherein, gas drainage under suction radius be gas drainage pipeline can extraction to the radius value of the circular scope of gas.In phase
In the case of same gas drainage under suction radius, the distance between adjacent gas drainage pipeline is the shortest, and adjacent gas drainage under suction region is stacked
Add, gas drainage results the best；Otherwise, the longest gas drainage results is the poorest.That is, auger boring 10 is apart from the distance in adjacent lane 9, Yi Jixiang
Distance between adjacent auger boring is the shortest, and the gas drainage results of gas is the best.Further, between auger boring 10 with adjacent lane 9
Distance between distance, and adjoining spiral boring can not be more than the gas drainage under suction radius of gas drainage pipeline.In the present embodiment,
Auger boring 10 not can exceed that 50m apart from the distance between the distance in adjacent lane 9, and adjoining spiral boring 10.
Further, since the first air return way 1 and the second air return way 2 extend forward propelling simultaneously, for ensureing to ventilate, transport
Defeated, water supply and sewages etc. need to tunnel connection lane 9 between the first air return way 1 and the second air return way 2, and according to anchor driving machine
Piercing technique, comprehensive per tour digging footage is at most, anchor driving machine, shuttle car be with aspect optimum factors such as electric cable length, it is considered to by phase
Lin Lian lane 9 distance is defined as 105m, for ensureing that the spacing of adjoining spiral boring 10 is just set to 35m by more preferable gas drainage results.
It is preferred that on the premise of having the needs such as gas drainage under suction effect and ventilation, transport, water supply and sewage concurrently, all right between adjacent lane
Only offer an auger boring, or plural auger boring.
It is preferred that gas drainage under suction radius can be 35-100m, the distance in adjacent lane can be 70-150m, auger boring
Distance apart from adjacent lane can be 35-75m.
Preferably, the aperture of auger boring 10 is ф 600m, it is simple to arrange gas drainage pipeline in auger boring 10.
In the present embodiment, as in figure 2 it is shown, auger boring 10 is parallel to each other with connection lane 9.That is, auger boring 10 is perpendicular to coal
Wall is constructed, optimal (being i.e. perpendicular to rib) according to twist bit construction drill feature horizon effect, and the later stage installs gas drainage under suction
Pipeline is the most attractive in appearance but also saves material, can guarantee that again that auger boring 10 (below will in the upside of the first air return way 1 after through simultaneously
Explain in detail).
It is preferred that in order to realize arranging the purpose of gas drainage pipeline, can also tilt between auger boring 10 and connection lane 9
Arrange.
Preferably, before auger boring 10 construction, the first air return way 1 that auger boring 10 reserved location is corresponding and second time
Wind crossheading 2 utilizes glass fibre reinforced plastics rockbolts to carry out supporting.
Wherein, when work surface tunnels the position that auger boring 10 is reserved, the first air return way 1 and the second air return way
The side supporting of 2 is become glass fibre reinforced plastics rockbolts from original twisted steel anchor rod.This is because, in order to prevent rig in construction drill process
Drill bit is broken by middle twisted steel anchor rod, uses glass fibre reinforced plastics rockbolts at drilling construction, and this Anchoring Strength of Rock Bolts is with twisted steel anchor rod
Almost but hardness is similar with coal body, be not result in during drilling construction that drill bit breaks, between supporting, array pitch is constant, often locates
Supporting 4 row's glass fibre reinforced plastics rockbolts, in order to the construction of auger boring in the future 10.
In the present embodiment, as it is shown on figure 3, distance work surface the more far first air return way 1, what distance work surface was nearer is
Second air return way 2, the opening 11 of auger boring 10 is arranged on the second air return way 2, and the saturating mouth 12 of auger boring 10 is arranged on
First air return way 1.When auger boring 10 is constructed, creep into the first air return way 1 from the second air return way 2.
Preferably, the base plate 1.5m of opening 11 distance the second air return way 2, the top of saturating mouth 12 distance the first air return way 1
Plate 1m, auger boring 10 is constructed in the horizontal direction.
On the one hand, owing to coal seam, colliery is tilted to the right, it is more stable, so the second air return way 2 to the first return air is suitable
The horizontal level of groove 1 is higher.On the other hand, according to the feature of drilling machine construction, drilling construction effect when construction perforate is highly 1.5 meters
Fruit is optimal, after auger boring simultaneously 10 is constructed in the past in the horizontal direction, owing to the first air return way 1 is deposited with the second air return way 2
At drop, the whole hole of auger boring 10 is just in the first air return way 1 upper left side, and Yin Wasi is light, and upside gas drainage results is more preferably.
In the present embodiment, the construction technology of auger boring 10: utilize ZDY-6000L general geology drilling machine construction auger boring
10, at the position φ 215mm drill bit open-work of reserved auger boring 10, then carry out successively with φ 400mm and φ 600mm drill bit
Reaming, construction forms auger boring 10.
The construction method of auger boring 10: ZDY-6000L general geology drilling machine construction auger boring, when rig creeps into, first
First insert a φ 89mm drilling rod from gyroscope rear end, through chuck, withstand on clamper end face, then move to have fed and pull out hands
Pull out position extremely rising, when unit head backs to termination, after pressure gets up, close stop valve, open clamper, by drilling rod through folder
Holder.At clamper front manually installed φ 215mm drill bit, connect aquiform stool, open inlet valve, in hole, send into flushing water,
After aperture is seen and returned water, clamper fully opens, rotary motor creep into, when creeping into a gyroscope promoting drilling rod
After travel position, clamp drilling tool by clamper, return gyroscope, restart to creep into, until creep into one whole drilling rod away from
From, then access second drilling rod, circulate successively, until reamer (rimer) enters complete, treat that this hole drill is all in withdrawing from hole after entering
Drilling rod, unloads φ 215mm drill bit, installs φ 400mm drill bit and carries out reaming, creep into and reach 1.3 meters, installs φ 89mm auger stem,
Creep into again, all drilling rods in withdrawing from hole after treating φ 400mm hole reaming, unload φ 400mm drill bit, φ 600mm is installed
Drill bit carries out reaming, creeps into and reaches 1.3 meters, installs φ 89mm auger stem, then creeps into, until reaming completes, completes one
Circulation.Withdrawing from drilling rod, drill bit, telephone-moving carries out out new bore to lower hole site.
This utility model has the advantage that
One, economic benefit:
(1) excavation work amount is saved: the tunnel that need to lay gas drainage pipeline with double lanes driving 1000m calculates, between connection lane
Away from for 12m, can reduce the construction in 10 Ge Lian lanes, 120m altogether, mechanical drivage every meter is with reference to cost 4800 yuan:
Save operating expenses: 120 × 4800=57.6 ten thousand yuan
I.e. after construction auger boring, every 1000m double lane driving can save driving expense 57.6 ten thousand yuan.
(2) reduce connection lane enclosed ventilation quantities and the expense of closing, reduce goaf air leaking to greatest extent.
Two, Saving in time costs:
Annual minimizing joins lane excavation work amount, can lay out work surface in advance, extends work surface and finds time in advance, increases work
Find time and effect in advance in face.
Three, safety benefit:
(1) reduce the cutting to coal body, reduce the destruction to top board, reduce coal column fragmentation, reduce coal column crack broken coal certainly
So get angry probability.
(2) stop, because extraction pipeline destroys, to cause work surface corner gas exceeding limit accident, it is ensured that stably may be used of drainage system
Lean on.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that, for this area is general
For logical technical staff, on the basis of this utility model principle, it is also possible to make other modification some, also should be regarded as this practicality
Novel protection domain.
Claims (9)
1. an arrangement for gas drainage pipeline, between the first air return way and the second air return way, interval is disposed with multiple
Connection lane, it is characterised in that offer auger boring between adjacent described lane, it is suitable that described auger boring connects described first return air
Groove and described second air return way, the distance between described auger boring with adjacent described lane is less than described gas drainage pipeline
Gas drainage under suction radius, described gas drainage pipeline is arranged in described auger boring and described lane.
The arrangement of gas drainage pipeline the most according to claim 1, it is characterised in that described gas drainage under suction radius is
35-100m, the distance in adjacent described lane is 70-150m, and the described auger boring distance apart from adjacent described lane is 35-
75m。
The arrangement of gas drainage pipeline the most according to claim 2, it is characterised in that open between adjacent described lane
Being provided with two auger borings, described gas drainage under suction radius is 50m, and the distance in adjacent described lane is 105m, described auger boring
Distance apart from adjacent described lane is 35m, and the distance between adjacent described auger boring is also 35m.
The arrangement of gas drainage pipeline the most according to claim 1, it is characterised in that the aperture of described auger boring
For ф 600m.
The arrangement of gas drainage pipeline the most according to claim 1, it is characterised in that described auger boring is with described
Connection lane is parallel to each other.
The arrangement of gas drainage pipeline the most according to claim 1, it is characterised in that described auger boring is with described
Connection is in tilted layout between lane.
The arrangement of gas drainage pipeline the most according to claim 1, it is characterised in that described auger boring is constructed
Before, described first air return way and described second air return way that described auger boring reserved location is corresponding utilize glass fibre reinforced plastics rockbolts
Carry out supporting.
8. according to the arrangement of the gas drainage pipeline described in any one of claim 1-7, it is characterised in that distance work surface
The most described first air return way, distance work surface nearer for described second air return way, the opening of described auger boring
Being arranged on described second air return way, the saturating mouth of described auger boring is arranged on described first air return way.
The arrangement of gas drainage pipeline the most according to claim 8, it is characterised in that described in described extended distance
The base plate 1.5m of two air return way, described mouth is apart from the top board 1m of described first air return way, and described auger boring is along level
Construct in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454884.2U CN205805607U (en) | 2016-05-18 | 2016-05-18 | A kind of arrangement of gas drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454884.2U CN205805607U (en) | 2016-05-18 | 2016-05-18 | A kind of arrangement of gas drainage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805607U true CN205805607U (en) | 2016-12-14 |
Family
ID=57499336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620454884.2U Active CN205805607U (en) | 2016-05-18 | 2016-05-18 | A kind of arrangement of gas drainage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805607U (en) |
-
2016
- 2016-05-18 CN CN201620454884.2U patent/CN205805607U/en active Active
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