CN106121708A - Construction ventilation of tunnel air flow guide distributor and method - Google Patents
Construction ventilation of tunnel air flow guide distributor and method Download PDFInfo
- Publication number
- CN106121708A CN106121708A CN201610793565.9A CN201610793565A CN106121708A CN 106121708 A CN106121708 A CN 106121708A CN 201610793565 A CN201610793565 A CN 201610793565A CN 106121708 A CN106121708 A CN 106121708A
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- ventilation
- distributor
- tunnel
- air
- joint
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
- E21F1/06—Duct connections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
Abstract
The invention discloses a kind of construction ventilation of tunnel air flow guide distributor and method, this device includes distributor box and the mounting bracket being horizontally mounted for distributor box, distributor box is the distributor box casing of equal opening before and after including, it is arranged on the discharge port structure of distributor box cabinet front and is arranged on the air inlet structure on rear side of distributor box casing, air inlet structure includes that two, left and right is installed as the air inlet joint of one, discharge port structure includes that two, left and right is installed as the air outlet joint of one, it is divided into two air-supply passages in left and right by separating device in distributor box casing, separating device is in vertically to laying and it tap including being fixed on distributor box box inside, dodge gate and oscillatory gearing mechanism；The method comprising the steps of: one, Tunnel Ventilation System is installed；Two, ventilation volume guides distribution.The present invention is reasonable in design, it is easy and simple to handle to use and using effect good, easy ventilation in two Tunnel work progress can carry out flexible allocation, improve ventilation installation's utilization rate.
Description
Technical field
The invention belongs to technical field of tunnel construction, especially relate to a kind of construction ventilation of tunnel air flow guide distributor
With method.
Background technology
When tunnel is double hole construction, enter with parallel pilot tunnel (referred to as put down and lead) as constructed in double positive holes or aligning hole
During row construction, tunnel ventilation often uses dash system, according to conventional construction verification, is more ripe constructing tunnel
Means of ventilation.But these traditional draft types, are required to be respectively configured double holes high-power ventilation installation, and double when constructing
Construction is circulated in hole respectively, often occurs that a Tunnel ventilates and the time of another Tunnel stuffy (or low-power ventilation)
Section, can often occur time this, and the operating of blower fan high power and the blowdown wind row that now there will be a Tunnel are too late, and another
The situation that stuffy (or the low-power ventilation) of one Tunnel inner blower emergent power are idle, causes great device resource
Waste.As the Zheng Dong in tunnel, the Queersshan Mountain is used ventilation by ducts with when putting down and lead and construct, positive hole, as dirty air way, is put down and is led work
For clean air way, air door is set in flat pilot tunnel, is respectively adopted axial flow blower Xiang Zhengdong and flat delivery wind, be aided with jet blower supply
Clean wind and discharge dirty wind, main Wind Volume ventilation time after the construction of face jetting cement and explosion during tap cinder construction, other
Time is that low air quantity ventilates, and it is less that ventilating system exists power when Wind Volume ventilates, the situation of power surplus when low air quantity ventilates.
At present, common tunnel ventilation mode has blast type, air-exhaust type, hybrid and several by formula and ventilation by ducts
Draft type, main passing through is shifted one's position and direction of ventilation inside and outside axial flow blower hole, is aided with the difference that jet blower combines
Draft type.Wherein, axial flow blower great majority are unit list duct ventilation, only for stronger ventilation in major long tunnel ventilates
Power improves ventilation, has to use and concentrates mode in parallel or that diagonal angle is in parallel, and both parallel waies are also simply at single airduct base
Stronger ventilation amount on plinth.Thus, there is following defect and deficiency in existing tunnel One-way Construction Ventilation Technique: the first, when tunnel is double holes
During construction, the most common tunnel ventilation mode many employings dash system, need single air pipeline to arrive respective
Face supplies fresh wind, and this draft type needs to be respectively configured axial flow blower, and tunnel entirety ventilation system configurations power is big,
Electric power system power configuration is big；When the second, needing high-power ventilation when slagging tap after a Tunnel explosion, another Tunnel stands
When frame or powder charge etc. need not ventilation or small-power ventilation, now the needs of the axial flow blower in a Tunnel are high-power at full capacity
Ventilate, and the axial flow blower in another Tunnel need not ventilate or small-power ventilation, although say it is a set of tunnel ventilation body
System, does not but accomplish axial flow blower cooperation, there is the waste situation on equipment configuration power.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that a kind of constructing tunnel
Ventilation volume guide distributor, its simple in construction, reasonable in design and processing and fabricating and use easy and simple to handle, using effect good,
Easy ventilation in two Tunnel work progress can be carried out flexible allocation, improve ventilation installation's utilization rate.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of construction ventilation of tunnel air flow guide divides
It is equipped with and puts, it is characterised in that: including distributor box and the mounting bracket being horizontally mounted for distributor box, described distributor box is equal before and after including
The distributor box casing of opening, it is arranged on distributor box cabinet front and the discharge port structure connected with distributor box box house and installation
The air inlet structure connected on rear side of distributor box casing and with distributor box box house, described discharge port structure and air inlet structure
Structure identical and the two is symmetrically laid；Described air inlet structure includes that two, left and right is installed as the air inlet joint of one,
Two described air inlet joints are respectively left side air inlet joint and are positioned at the right side air intake on the right side of the air inlet joint of described left side
Mouth joint；Described discharge port structure includes that two, left and right is installed as the air outlet joint of one, and two described air outlet joints divide
Not for be positioned at the left side air outlet joint of described left side air inlet joint dead ahead and to be positioned on the right side of the air outlet joint of described left side
Right side air outlet joint；Described distributor box casing is that level is laid, and is divided into by separating device in described distributor box casing
Two air-supply passages in left and right, described separating device is in vertically to laying and it separation including being fixed on distributor box box inside
Seat, can carry out left and right horizontal swing the dodge gate that a described air-supply passage can be blocked and drive dodge gate carry out a left side
The oscillatory gearing mechanism of right horizontal hunting, described dodge gate is arranged on tap, and described dodge gate fills with described wobble drive
Put and be in transmission connection.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: by installing axle peace on rear side of described dodge gate
Being contained on tap, described installation axle is in vertically to laying.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: described oscillatory gearing mechanism includes by drawing
Rope band moves the motor that dodge gate carries out swinging, and described stay cord is wrapped in rotating shaft, and before and after described stay cord, two ends are respectively
Being fixed on the left and right sides of dodge gate, described rotating shaft is driven by motor and is in transmission connection therebetween；Described point
The left and right sides of separate seat is respectively arranged with the guider guiding stay cord.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: described distributor box casing, air inlet joint and
Air outlet joint is processed by composite plate, and described composite plate is by bamboo slab rubber and is laid in the galvanized iron outside described bamboo slab rubber
Skin forms.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: the cross section of described distributor box casing is square
Shape or nose circle shape；Described air inlet joint is rectangle joint or circular joint, and described air outlet joint is rectangle joint or circle
Joint.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: described air inlet joint and air outlet joint
Outside is mounted on outer support framework, is provided with inner support framework in described distributor box casing.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: be respectively and fixedly provided with on the periphery of described dodge gate
Sealing strip.
Above-mentioned construction ventilation of tunnel air flow guide distributor, is characterized in that: be provided with bottom the front side of described dodge gate
Universal wheel.
Meanwhile, the invention discloses a kind of method step simple, reasonable in design and realize convenient, occupation mode flexibly, make
By effective construction ventilation of tunnel air flow guide distribution method, it is characterised in that the method comprises the following steps:
Step one, Tunnel Ventilation System are installed: connect by two described air inlets that described ventilation volume guides distributor
Head air outlet with two ventilation blowers respectively is connected, and is connect by two described air outlets of described ventilation volume guiding distributor
Head air inlet with two airducts respectively is connected；Two described airducts are respectively the air-supply of air-supply in two described Tunnels
Pipe；Described ventilation volume guides distributor, two described ventilation blowers and two described airduct composition Tunnel Ventilation Systems；Two
Described Tunnel is respectively left side Tunnel or is positioned at the right side Tunnel on the right side of the Tunnel of described left side；
Step 2, ventilation volume guide distribution: during two described Tunnels being carried out digging excavation before backward, root
According to the tunneling construction state of two described Tunnels, use described ventilation volume guiding distributor to be aerated air flow guide and divide
Join: state of slagging tap after the tunneling construction state of a described Tunnel is explosion and the tunneling construction of another described Tunnel
State is blasthole drilling when taking state, controls dodge gate to the described tunnel being in blasthole drilling and taking state by described oscillatory gearing mechanism
Hole, road one side shifting, and the air-supply passage being in the described Tunnel side that blasthole drilling takes state in distributor box casing is sealed
Stifled, the most described ventilation volume guides distributor and is in unilateral ventilation state；Otherwise, described dodge gate is arranged on tap
On, the most described ventilation volume guides distributor and is in bilateral ventilation state.
Said method, is characterized in that: be in bilateral ventilation state when described ventilation volume guides distributor in step 2
Time, also need the tunneling construction state according to two described Tunnels, the air output of two described ventilation blowers is adjusted: when two
The tunneling construction state of individual described Tunnel slag tap after being explosion state time, increase two described ventilation blowers air output；No
Then, the air output maintaining two described ventilation blowers is constant.
The present invention compared with prior art has the advantage that
1, the construction ventilation of tunnel air flow guide distributor simple in construction used and processing and fabricating are easy, input cost
Relatively low.
2, the construction ventilation of tunnel air flow guide distributor reasonable in design that used and use easy and simple to handle, including
Distributor box and mounting bracket, distributor box includes the distributor box casing of the most all openings, is arranged on the air-out of distributor box cabinet front
With the air inlet structure being arranged on rear side of distributor box casing, air inlet structure, outlet structure includes that two, left and right is installed as entering of one
Tuyere connection, discharge port structure includes that two, left and right is filled by separation in being installed as the air outlet joint of one, distributor box casing
Putting and be divided into two air-supply passages in left and right, separating device includes tap, dodge gate and oscillatory gearing mechanism, and structure is installed tight
Gather, lightweight and be easy to mobile, install conveniently, and volume be little, takes up room less.
3, the construction ventilation of tunnel air flow guide distributor used uses easy and simple to handle and occupation mode flexible, two
Axial flow blower airduct accesses distributor box, redistributes wind area by movable air door in casing, adjusts two air outlets and ventilates
Amount, axial flow blower is divided into top grade and two gears of low gear, and two axial flow blowers of equal-wattage are classified into low (i.e. by distributor box
Single ventilation blower low power run), low+low (i.e. two the equal low power runs of ventilation blower), it is high that (the most single ventilation blower high power is transported
OK), high+low (i.e. one ventilation blower low power run, another ventilation blower high power operation) and high+high (i.e. two ventilation blowers
All high power operations) five gears, the axial flow blower of two different capacities is classified into by distributor box: little low (the most only small-power
The low power run of ventilation blower), little height (the most only high power operation of low power ventilation fan), the lowest (the most high-power ventilation blower
Low power run), big high (high power operation of the most high-power ventilation blower), little low+the lowest (i.e. two the lowest merits of ventilation blower
Rate is run), little low+big high (i.e. the low power run of low power ventilation fan and the high power operation of high-power ventilation blower), little height+
The lowest (i.e. the high power operation of low power ventilation fan and the low power run of high-power ventilation blower) and little height+big high (i.e. two
The equal high power operation of ventilation blower) eight gears.Ventilation needs can be met according to on-the-spot required airflow situation Reasonable adjustment gear collocation,
As: double holes explosion is complete, employing of slagging tap is high+high-grade, and double holes face gunite concrete uses high+low-grade etc., in combination with positive hole+
Put down and lead construction ventilation needs respectively, open the combination of corresponding gear, it is possible to adjust movable air door distribution Xiang Zhengdong and put down the ventilation led
Amount.
4, the construction ventilation of tunnel air flow guide distributor using effect used is good, have the advantage that first, when
When tunnel is double hole construction, on the basis of ensureing ventilation effect, it is possible to reduce tunnel entirety ventilating system configuration power, reduce
Electric power system configuration power；The second, by the movable air door (i.e. dodge gate) movement in casing, redistribute axial flow blower and lead to
Air quantity, by the two grades of ventilations respectively of original two-shipper, is optimized for two-shipper five grades ventilation；3rd, according to Zheng Dong and flat lead job site
Required airflow situation, reasonable distribution ventilation, when single hole Wind Volume ventilates, when concentrating ventilation volume to shorten the ventilation of Wind Volume face
Between, the problem accelerating face construction circulation；4th, the little air quantity in double hole selects the double hole of unit to ventilate when ventilating, reduce air quantity and
Plant capacity is wasted, and reduces equipment attrition；5th, two-shipper alternately ventilates, it is simple to construction period fan repair is maintained, and reduces blower fan
Working time；6th, single hole unit ventilation pressure is alleviated, it is ensured that construction ventilation of tunnel amount is controlled, decreases ventilation time,
Accelerate construction ventilation progress；7th, it is effectively utilized axial flow blower power and ventilation, it is ensured that operating personnel's working environment
Up to standard, decrease the wasting of resources as far as possible, be greatly saved electric power resource, reduce the engineering one-tenth that construction ventilation system puts into
This；The features such as the 8th, Meteorological is few, and apparatus processing is installed simple to operate, and low configuration, high-efficient ventilation are effective.
5, the construction ventilation of tunnel air flow guide distribution method step used is simple, reasonable in design and realizes conveniently, making
With effective, traditional ventilation system is improved, by using construction ventilation of tunnel air flow guide distributor, rationally
Arranging positive hole+flat leading construction circulation, the Jiang Zhengdong of science+flat conducting wind system is in parallel, from the configuration of double holes entirety ventilating system
Reducing used device power, from ventilation effect, two hole ventilating systems cooperate and shorten face ventilation time.Thus,
When tunnel is double hole construction, due to the construction circulation that double holes are respectively different, use the present invention on the basis ensureing ventilation effect
On, ventilating system can reduce tunnel configured in one piece power, reduces electric power system configuration power；Meanwhile, logical in improving tunnel
While wind effect, can effectively shorten face ventilation time, the problem accelerating face construction circulation.
In sum, the present invention is reasonable in design, it is easy and simple to handle to use and using effect good, easy can execute two Tunnels
Ventilation during work carries out flexible allocation, improves ventilation installation's utilization rate.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the use state reference map of construction ventilation of tunnel air flow guide distributor of the present invention.
Fig. 2 is the structural representation of distributor box of the present invention.
Fig. 3 is that interaction door is put to use state reference map during left side in distributor box of the present invention.
Fig. 4 is that interaction door is put to use state reference map during right side in distributor box of the present invention.
Fig. 5 is the structural representation of rectangle air inlet joint of the present invention.
Fig. 6 is the structural representation of circle air inlet joint of the present invention.
Fig. 7 is the use state reference map of dodge gate of the present invention.
Description of reference numerals:
1 distributor box；1-1 distributor box casing；1-2 discharge port structure；
1-21 tuyere connection；1-3 air inlet constructs；1-31 air inlet joint；
1-4 dodge gate；1-5 installs axle；1-6 stay cord；
1-7 motor；1-8 rotating shaft；1-9 tap；
1-10 guider；3 support of ducts；4 airducts；
2 mounting brackets.
Detailed description of the invention
As shown in Figure 1, Figure 2, a kind of construction ventilation of tunnel air flow guide distributor shown in Fig. 3 and Fig. 4, including distributor box 1
With the mounting bracket 2 being horizontally mounted for distributor box 1, described distributor box 1 is equal the distributor box casing 1-1 of opening, installation before and after including
On front side of distributor box casing 1-1 and with the discharge port structure 1-2 connected inside distributor box casing 1-1 and be arranged on distributor box casing
The air inlet structure 1-3, described discharge port structure 1-2 connected on rear side of 1-1 and with distributor box casing 1-1 inside and air inlet structure
The structure of 1-3 is identical and the two is symmetrically laid；Described air inlet structure 1-3 includes that two, left and right is installed as the air inlet of one
Joint 1-31, two described air inlet joint 1-31 are respectively left side air inlet joint and are positioned at the air inlet joint right side, described left side
The right side air inlet joint of side；Described discharge port structure 1-2 include left and right two be installed as one air outlet joint 1-21, two
Individual described air outlet joint 1-21 is respectively positioned at the left side air outlet joint of described left side air inlet joint dead ahead and is positioned at
Right side air outlet joint on the right side of the air outlet joint of described left side；Described distributor box casing 1-1 is that level is laid, described distributor box
Is divided into two air-supply passages in left and right by separating device in casing 1-1, described separating device in vertically to laying and it include
It is fixed on the tap 1-9 inside distributor box casing 1-1, left and right horizontal swing can be carried out and a described air-supply passage can be entered
The dodge gate 1-4 and drive dodge gate 1-4 of row closure carry out the oscillatory gearing mechanism of left and right horizontal swing, described dodge gate 1-4
Being arranged on tap 1-9, described dodge gate 1-4 is in transmission connection with described oscillatory gearing mechanism.
In the present embodiment, described distributor box casing 1-1, discharge port structure 1-2 and air inlet structure 1-3 form tap 1-
9。
The present embodiment, as it is shown in fig. 7, be arranged on tap 1-9 by installation axle 1-5 on rear side of described dodge gate 1-4,
Described installation axle 1-5 is in vertically to laying.
In the present embodiment, described oscillatory gearing mechanism includes driving dodge gate 1-4 to carry out swinging by stay cord 1-6
Motor 1-7, described stay cord 1-6 are wrapped on rotating shaft 1-8, and before and after described stay cord 1-6, two ends are separately fixed at dodge gate 1-4
The left and right sides, described rotating shaft 1-8 is driven by motor 1-7 and is in transmission connection therebetween；Described tap 1-9
The left and right sides be respectively arranged with the guider 1-10 that stay cord 1-6 is guided.
Actual adding man-hour, described distributor box casing 1-1, air inlet joint 1-31 and air outlet joint 1-21 are by composite plate
Processing, described composite plate is by bamboo slab rubber and is laid in the galvanized iron sheet outside described bamboo slab rubber and forms.
In the present embodiment, the thickness of described bamboo slab rubber is 15mm～20mm, the galvanized iron sheet that outsourcing 1mm is thick.
Actual add man-hour, according to the diameter of ajutage 3, the size of air inlet joint 1-31 and air outlet joint 1-21 is entered
Row is corresponding to be adjusted.For the ajutage 3 of diameter of phi 180mm, the height of air inlet joint 1-31 and air outlet joint 1-21 is
150cm and its width are 170cm；For the ajutage 3 of diameter of phi 140mm, air inlet joint 1-31 and air outlet joint 1-21
Height be 150cm and its width is 105cm.The a length of 80cm of described air inlet joint 1-31 and air outlet joint 1-21.
Thus, actual processing is easy and input cost is relatively low.
Time actually used, the cross section of described distributor box casing 1-1 is rectangle or nose circle shape；Described air inlet joint 1-31
For rectangle joint or circular joint, described air outlet joint 1-21 is rectangle joint or circular joint, refers to Fig. 5 and Fig. 6.
In the present embodiment, the cross section of described distributor box casing 1-1 is rectangle；Described air inlet joint 1-31 is that circle connects
Head, described air outlet joint 1-21 is circular joint.
In the present embodiment, described discharge port structure 1-2 is the most identical with size with the structure of air inlet structure 1-3.
In the present embodiment, outside described air inlet joint 1-31 and air outlet joint 1-21, it is mounted on outer support framework,
In described distributor box casing 1-1, inner support framework is installed.
Further, described inner support framework is structural steel frame.
In the present embodiment, the periphery of described dodge gate 1-4 is respectively and fixedly provided with sealing strip.
For easy and simple to handle and flexible swinging, bottom the front side of described dodge gate 1-4, universal wheel is installed.
Meanwhile, the invention also discloses a kind of construction ventilation of tunnel air flow guide distribution method, comprise the following steps:
Step one, Tunnel Ventilation System are installed: connect by two described air inlets that described ventilation volume guides distributor
Head 1-31 air outlet with two ventilation blowers respectively is connected, and by two described air-out of described ventilation volume guiding distributor
Mouthful joint 1-21 air inlet with two airducts 4 respectively is connected；Two described airducts 4 are respectively and send in two described Tunnels
The ajutage of wind；Described ventilation volume guides distributor, two described ventilation blowers and two described airducts 4 and forms tunnel ventilation
System；Two described Tunnels are respectively left side Tunnel or are positioned at the right side Tunnel on the right side of the Tunnel of described left side；
Step 2, ventilation volume guide distribution: during two described Tunnels being carried out digging excavation before backward, root
According to the tunneling construction state of two described Tunnels, use described ventilation volume guiding distributor to be aerated air flow guide and divide
Join: state of slagging tap after the tunneling construction state of a described Tunnel is explosion and the tunneling construction of another described Tunnel
State is blasthole drilling when taking state, controls dodge gate 1-4 to the institute being in blasthole drilling and taking state by described oscillatory gearing mechanism
State Tunnel one side shifting, and the air-supply to being in the described Tunnel side that blasthole drilling takes state in distributor box casing 1-1 is led to
Road blocks, and the most described ventilation volume guides distributor and is in unilateral ventilation state；Otherwise, described dodge gate 1-4 peace
Being contained on tap 1-9, the most described ventilation volume guides distributor and is in bilateral ventilation state.
In the present embodiment, in step 2 when described ventilation volume guiding distributor is in bilateral ventilation state, also need
Tunneling construction state according to two described Tunnels, is adjusted the air output of two described ventilation blowers: when described in two
The tunneling construction state of Tunnel slag tap after being explosion state time, increase two described ventilation blowers air output；Otherwise, maintain
The air output of two described ventilation blowers is constant.
Time actually used, described airduct 4 is supported by support of duct 3.
Further, all carried out even by airduct 4 between two described air inlet joint 1-31 and the air outlet of two ventilation blowers
Connect.
In the present embodiment, described guider 1-10 includes installing rack and the leading block being arranged on described installing rack,
Described stay cord 1-6 walks around from described leading block.
Further, the quantity of described leading block be two and the two be arranged on one on the other outside described installing rack.
Time actually used, the cross section of described distributor box casing 1-1 is rectangle or nose circle shape.
When the cross section of described distributor box casing 1-1 is rectangle, described dodge gate 1-4 is rectangle；When described distributor box
When the cross section of casing 1-1 is nose circle shape, described dodge gate 1-4 is by rear side door-plate and is positioned at the front side on front side of described rear side door-plate
Door-plate forms, and described rear side door-plate is rectangle, and described front side door-plate is semicircle.
In the present embodiment, the cross section of described distributor box casing 1-1 is rectangle, and height is 150cm, and width is 300cm, long
Degree is 300cm～500cm.
In the present embodiment, two described Tunnels are respectively the positive hole in parallel laying and parallel pilot tunnel (being called for short flat leading),
During practice of construction, construction ventilation of tunnel air flow guide distributor of the present invention has following three kinds of duties: the
One state: while slagging tap after positive hole explosion, flat leads drill (flat lead interior air quality good), and positive hole needs forced ventilation；Now,
Closing flat wind guide channel, air quantity is all supplied positive hole and is ventilated, and improves air quality in Zheng Dong hole as early as possible, shortens positive hole ventilation time,
Positive hole is made to enter next procedure circulation construction as early as possible；Second state: putting down while slagging tap after leading explosion, drills (in positive hole in positive hole
Air quality is good), flat leading needs forced ventilation, closes Zheng Dong air channel, and air quantity all supplies flat conducting wind, improves flat pilot tunnel as early as possible
Interior air quality, shortens to put down and leads ventilation time, makes flat leading enter next procedure circulation construction as early as possible；The third state: be divided into two kinds
Situation, one be Zheng Dong with flat lead be explosion after muck discharging process need forced ventilation, for keeping low configuration high-efficient ventilation, in construction
Rational allocation Zheng Dong and the flat engineering time led, the generation of this situation that staggers, as this thing happens then two-shipper top grade ventilate；
Another kind is that Zheng Dong is general procedure with flat leading, and the less air quantity of low-grade location ventilates.Thus, use the present invention can regard positive hole
And air quality in flat pilot tunnel, rational allocation supply ventilation volume, maintain ventilation wind speed and air quality in hole.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (10)
1. a construction ventilation of tunnel air flow guide distributor, it is characterised in that: include distributor box (1) and for distributor box (1)
The mounting bracket (2) being horizontally mounted, described distributor box (1) includes the distributor box casing (1-1) of the most all openings, is arranged on distribution
Box body (1-1) front side and the discharge port structure (1-2) that connect internal with distributor box casing (1-1) and be arranged on distributor box casing
(1-1) rear side and the air inlet that connect internal with distributor box casing (1-1) construct (1-3), described discharge port structure (1-2) and entering
The structure of tuyere structure (1-3) is identical and the two is symmetrically laid；Described air inlet structure (1-3) includes that two, left and right is installed as
The air inlet joint (1-31) of one, two described air inlet joints (1-31) are respectively left side air inlet joint and are positioned at described
Right side air inlet joint on the right side of the air inlet joint of left side；Described discharge port structure (1-2) includes that two, left and right is installed as one
Air outlet joint (1-21), two described air outlet joints (1-21) are respectively positioned at described left side air inlet joint dead ahead
Left side air outlet joint and be positioned at the right side air outlet joint on the right side of the air outlet joint of described left side；Described distributor box casing
(1-1) lay in level, in described distributor box casing (1-1), be divided into two air-supply passages in left and right by separating device, described
Separating device is in vertically to laying and it includes being fixed on the tap (1-9) of distributor box casing (1-1) inner side, can carry out left and right
Horizontal hunting the dodge gate (1-4) that can block a described air-supply passage and drive dodge gate (1-4) carry out left and right
The oscillatory gearing mechanism of horizontal hunting, described dodge gate (1-4) is arranged on tap (1-9), described dodge gate (1-4) and institute
State oscillatory gearing mechanism to be in transmission connection.
2. according to the construction ventilation of tunnel air flow guide distributor described in claim 1, it is characterised in that: described dodge gate
(1-4) rear side is arranged on tap (1-9) by installing axle (1-5), and described installation axle (1-5) is in vertically to laying.
3. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described swing
Driving means includes driving dodge gate (1-4) to carry out the motor (1-7) swung, described stay cord (1-by stay cord (1-6)
6) being wrapped in rotating shaft (1-8), before and after described stay cord (1-6), two ends are separately fixed at the left and right sides of dodge gate (1-4), institute
State rotating shaft (1-8) be driven by motor (1-7) and be in transmission connection therebetween；The left and right of described tap (1-9)
Both sides are respectively arranged with the guider (1-10) guiding stay cord (1-6).
4. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described distribution
Box body (1-1), air inlet joint (1-31) and air outlet joint (1-21) are processed by composite plate, described composite plate by
Bamboo slab rubber and the galvanized iron sheet composition being laid in outside described bamboo slab rubber.
5. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described distribution
The cross section of box body (1-1) is rectangle or nose circle shape；Described air inlet joint (1-31) is rectangle joint or circular joint, institute
Stating air outlet joint (1-21) is rectangle joint or circular joint.
6. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described air intake
Mouth joint (1-31) and air outlet joint (1-21) outside are mounted on outer support framework, peace in described distributor box casing (1-1)
Equipped with inner support framework.
7. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described activity
It is respectively and fixedly provided with sealing strip on the periphery of door (1-4).
8. according to the construction ventilation of tunnel air flow guide distributor described in claim 1 or 2, it is characterised in that: described activity
Bottom the front side of door (1-4), universal wheel is installed.
9. utilizing the method that device as claimed in claim 1 carries out construction ventilation of tunnel air flow guide distribution, its feature exists
In, the method comprises the following steps:
Step one, Tunnel Ventilation System are installed: described ventilation volume guides two described air inlet joint (1-of distributor
31) air outlet with two ventilation blowers is connected respectively, and described ventilation volume guides two described air outlets of distributor
Joint (1-21) air inlet with two airducts (4) respectively is connected；Two described airducts (4) are respectively to two described Tunnels
The ajutage of interior air-supply；Described ventilation volume guides distributor, two described ventilation blowers and two described airduct (4) composition tunnels
Road ventilating system；Two described Tunnels are respectively left side Tunnel or are positioned at the tunnel, right side on the right side of the Tunnel of described left side
Hole；
Step 2, ventilation volume guide distribution: during two described Tunnels being carried out digging excavation before backward, according to two
The tunneling construction state of individual described Tunnel, uses described ventilation volume guiding distributor to be aerated air flow guide and distributes:
Slag tap after the tunneling construction state of a described Tunnel is explosion the tunneling construction shape of state and another described Tunnel
State is blasthole drilling when taking state, controls dodge gate (1-4) to the institute being in blasthole drilling and taking state by described oscillatory gearing mechanism
State Tunnel one side shifting, and to distributor box casing (1-1) is in the air-supply that blasthole drilling takes the described Tunnel side of state
Passage blocks, and the most described ventilation volume guides distributor and is in unilateral ventilation state；Otherwise, described dodge gate (1-
4) being arranged on tap (1-9), the most described ventilation volume guides distributor and is in bilateral ventilation state.
The most in accordance with the method for claim 9, it is characterised in that: step 2 guides distributor when described ventilation volume
When being in bilateral ventilation state, also need the tunneling construction state according to two described Tunnels, two described ventilation blowers are sent
Air quantity is adjusted: when slag tap after the tunneling construction state of two described Tunnels is explosion state time, increase two described in
The air output of ventilation blower；Otherwise, the air output maintaining two described ventilation blowers is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793565.9A CN106121708A (en) | 2016-08-31 | 2016-08-31 | Construction ventilation of tunnel air flow guide distributor and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793565.9A CN106121708A (en) | 2016-08-31 | 2016-08-31 | Construction ventilation of tunnel air flow guide distributor and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106121708A true CN106121708A (en) | 2016-11-16 |
Family
ID=57271704
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793565.9A Pending CN106121708A (en) | 2016-08-31 | 2016-08-31 | Construction ventilation of tunnel air flow guide distributor and method |
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| CN (1) | CN106121708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269061A (en) * | 2018-08-06 | 2019-01-25 | 广州科奥信息技术有限公司 | A kind of ventilation shaft constructing device |
-
2016
- 2016-08-31 CN CN201610793565.9A patent/CN106121708A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269061A (en) * | 2018-08-06 | 2019-01-25 | 广州科奥信息技术有限公司 | A kind of ventilation shaft constructing device |
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