CN109723484A - A kind of closed pressure combination ventilating system in drill bursting construction tunnel and method of ventilation - Google Patents
A kind of closed pressure combination ventilating system in drill bursting construction tunnel and method of ventilation Download PDFInfo
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- CN109723484A CN109723484A CN201811595522.5A CN201811595522A CN109723484A CN 109723484 A CN109723484 A CN 109723484A CN 201811595522 A CN201811595522 A CN 201811595522A CN 109723484 A CN109723484 A CN 109723484A
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Abstract
The invention discloses a kind of closed pressure combination ventilating system in drill bursting construction tunnel and method of ventilation, the shielding curtain of setting is divided into the two sides that left and right two is symmetricly set on curtain sliding rail, and slided on curtain sliding rail by curtain motor driven, realize opening or closing for curtain；When shielding curtain expansion, so that construction area is relatively isolated with the external world, to form an enclosure space to construction area；By the way that air-exhausting duct and air supply tube are arranged in the enclosed space, and it is separately connected motor, enclosure space is discharged in the pollution air in enclosure space, and extraneous fresh air is entered into enclosure space by air supply tube, so that air quality is rapidly achieved suitable state in hole, construction efficiency is improved；The monitor and detector installed at the top of screening arrangement can be to the air quality real-time monitorings in tunnel；And the control switch of the display screen and motor of monitor and detector is arranged at tunnel portal, realizes long-range monitoring and remote operation.
Description
Technical field
The invention belongs to Tunnel Engineering fields, and in particular to a kind of closed pressure combination ventage in drill bursting construction tunnel
System and method of ventilation.
Background technique
Currently, the Tunnel Engineering in China is developed on an unprecedented scale, and the construction of various major long tunnels is in the ascendant, but process of construction
In many problems do not well solved.For example, when building mountain tunnel using drilling and blasting method, the construction of major long tunnel
Ventilating problem, the processes such as explosion, whitewashing in work progress will all generate the substances such as a large amount of dust and CO to pollute air, but
It is that existing tunnel ventilation technology not only needs to consume a large amount of energy, but also air quality is not also improved, it cannot be very
Solve the problems, such as this well.It is therefore proposed that novel and effective solution scheme, provides good construction environment for construction personnel, and
It reduces construction ventilation cost and creates economic benefit, it would be highly desirable to solve.
By patent and literature search, there are two patents studied for such engineering.First, Patent publication No is
CN106285759A is arranged an acceleration not in confined space in invention and is polluted by the study and research to the patent
The blower of air discharge, so that ventilation time will increase, ventilation effect is also difficult to ensure.Second, Patent publication No is
CN103306702A, the patent have contacted sealing process with tunnel double-lining using air bag, will consume to the inflation deflation of air bag
Time, while construction environment is severe in tunnel, slungshot easily damages air bag when explosion, the time cost and warp of air bag maintenance
Cost of helping is all higher；Furthermore the screening arrangement of patent is mounted on two lining trolleys, and the enclosure space formed in this way can also be into one
Step reduces, for example screening arrangement is mounted on splash guard trolley, further the range of compression pollution air, smaller confined air
Between can obtain better ventilation smoke exhaust effect；It passes through finally, the patent contains a door curtain by Construction traffic, the opening and closing of door curtain
Mode is artificial drag-line, and the degree of automation is not high, does not meet the development trend of modern Tunnel automation, mechanization.
Summary of the invention
It is an object of the invention to propose a kind of closed pressure combination ventilating system in drill bursting construction tunnel and ventilation side
Method in closed space, is quickly discharged using blower by air is polluted by pollution air exclusion in certain confined space
Outside hole.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of closed pressure in drill bursting construction tunnel
Row combines ventilating system, including the screening arrangement and support frame being arranged in tunnel, support frame as described above arch setting, with tunnel
Inner wall fits；
The screening arrangement includes curtain sliding rail and shielding curtain, and the curtain sliding rail setting is on the support frame；
The shielding curtain includes fixing end and movable end, and the fixing end is fixedly connected on an end of curtain sliding rail
Portion, movable end are slided along curtain sliding rail；
When shielding curtain expansion, enclosure space is formed between screening arrangement and tunnel tunnel face；It is protruded into enclosure space
There are air supply tube and air-exhausting duct, and air supply tube and air-exhausting duct are located at the end outside enclosure space and stretch out tunnel portal；
The air-exhausting duct is connected with exhaust fan, and enclosure space is discharged in the gas in enclosure space by exhaust fan；Ambient atmos
Enclosure space is delivered by air supply tube.
Further, the air supply tube is connected with indentation blower, and indentation blower is arranged outside enclosure space, and indentation blower will
Outside air is delivered to enclosure space.
Further, the shielding curtain includes symmetrically arranged first shielding curtain and secondary shielding curtain, two screens
It covers curtain and is provided with fixing end and movable end, the fixing end of two shielding curtains is separately fixed at the curtain sliding rail of respective side
Bottom；The movable end of two shielding curtains is slided along curtain sliding rail；When two movable ends cross at the top of curtain sliding rail, screen
It covers and forms enclosure space between device and tunnel tunnel face.
Further, support frame as described above is mounted on splash guard trolley；Fixed frame, fixed frame are provided on splash guard trolley
It is provided with several telescopic rods between splash guard trolley, makes support frame be bonded tunnel inner wall by adjusting telescopic rod.
Further, the transmission case for switching shielding curtain moving direction is provided at the top of support frame as described above；Two
The fixing end of shielding curtain is provided with curtain containing box, for storing the shielding curtain of respective side；The work of two shielding curtains
Moved end is respectively connected with curtain motor, and the control switch of curtain motor is arranged at tunnel portal.
Further, monitor and detector are additionally provided on support frame as described above, the monitor setting is supporting
The top of frame；The quantity of the detector is two, and two detectors are separately mounted to the two sides of support frame；It is described
Monitor and detector are respectively connected with display screen, and display screen is arranged at tunnel portal.
Further, the air supply tube is located at the end in enclosure space and is arranged close to face, and the air-exhausting duct is located at
End in enclosure space is arranged close to screening arrangement.
A kind of method of ventilation of the closed pressure combination ventilating system in drill bursting construction tunnel, comprising the following steps:
S1 installs screening arrangement, construction area is surrounded enclosure space；
S2 opens exhaust fan, and the pollution air in enclosure space is discharged；
S3, the air quality in real-time monitoring enclosure space, meets the requirements to air, closes exhaust fan, mobile shielding dress
It sets into next working procedure.
Further, the step S1 method particularly includes: screening arrangement is mounted on splash guard trolley, and adjusts and stretches
Contracting bar, so that support frame is bonded tunnel inner wall；Start two curtain motors, drives the movable end of two shielding curtains sliding along curtain
Rail slides into top；Further include the process of press in of outside air in the step S2, specifically, blower is pressed by starting, it will
Outside air is delivered to enclosure space via air supply tube.
Further, in the step S3, by display screen and gas detection that the monitor at tunnel portal is arranged in
The display screen of device, to the air real-time monitoring in tunnel；By mobile splash guard trolley, shifting of the screening arrangement in tunnel is realized
It is dynamic.
Compared with prior art, the present invention at least has the following beneficial effects:
Compared with prior art, the present invention at least has the following beneficial effects:
A kind of closed pressure combination ventilating system in drill bursting construction tunnel of the present invention, the fixation of set shielding curtain
End is fixed on the end of curtain sliding rail, and movable end can pass through the work of mobile shielding curtain in the gliding in tracks of curtain sliding rail
Moved end, can be by shielding curtain expansion, so that an enclosure space is formed to construction area, so that construction area is opposite with the external world
Isolation；Support frame is arranged using arch, and support frame is fitted with tunnel inner wall, ensure that screening arrangement to construction area
The sealing effect in domain；By the way that air-exhausting duct is arranged in the enclosed space, and air-exhausting duct connects exhaust fan, in this way in the effect of exhaust fan
Under, enclosure space is discharged in the pollution air in enclosure space；And air supply tube has been also protruded into enclosure space, extraneous in this way
Fresh air can be entered in enclosure space by air supply tube, setting in this way, so that the pollution in enclosure space is empty
Gas is fewer and fewer, while entering fresh air, and the air quality in enclosure space will become better and better；Pass through screening arrangement simultaneously
Effect so that the pollution air in construction area is isolated in an enclosure space, then be uniformly expelled to outside tunnel, in this way
It is also beneficial to the quick discharge of gas, to prevent blasting dust to the pollution in tunnel length range；
Further, blower is pressed by setting, enters enclosure space for outside air and provides pressure, so that extraneous
Fresh air can be rapidly input into enclosure space, taken out by a pressure one, formed pair in this way to the air in enclosure space
Stream accelerates the gas in enclosure space up to standard, and compared with traditional draft type, ventilation time is greatly shortened, and has saved the energy,
Reduce ventilation cost；The utilization of two Fans and enclosure space achieves good ventilation effect, improves constructing tunnel
Environment.
Further, by being arranged two shielding curtains, two shield curtains and are symmetricly set on the two sides of curtain sliding rail, and two
A shielding curtain is separately connected corresponding motor, can be independently controlled to two shielding curtains；Curtain is shielded by two
The top that movable end is moved to support frame can realize the isolation of construction area so that construction area by screening arrangement every
From at enclosure space.
Further, screening arrangement is mounted on splash guard trolley, by pre-seting fixed frame on splash guard trolley,
Then support frame is fixed on fixed frame, can easily complete the installation of screening arrangement and sprawled；By in fixed frame
Telescopic rod is set between splash guard trolley, the adjustable of fixed frame height may be implemented, thus when in the tunnel of different height
When interior construction, it is only necessary to adjust telescopic rod, the height of fixed frame can be adjusted, so that the support frame and tunnel of screening arrangement
The inner wall in road fits；Screening arrangement is adjusted by the transformation of telescopic rod, can be adapted for the tunnel of different end face sizes, can be with
It reuses, improves the economy of equipment, further reduced tunnel ventilation cost；It can be real by mobile splash guard trolley
Now to the movement of screening arrangement, dynamic adjustment can be carried out to the position of screening arrangement according to construction speed in this way；And it is real
The reusable of screening arrangement is showed.
Further, the transmission case at the top of support frame is set, can to connected shielding curtain transmission direction into
Row switching, to realize expansion and shrinkage operation to shielding curtain；The containing box of two side bottom of support frame is set, it can be to making
Shielding curtain after is stored, and shielding curtain is prevented to be destroyed, and thereby may be ensured that shielding curtain can be reused；
Two shielding curtains are separately connected motor, may be implemented to be independently controlled two shielding curtains, by the control of two motors
Switch is arranged at tunnel portal, may be implemented to remotely operate.
It further, can be with the air conditions in real time inspection enclosure space by setting monitor；The gas of setting is examined
Surveying device can be monitored in real time the air quality in enclosure space, two detectors be arranged, two detectors are separately set
It sets in the two sides of support frame, the accuracy of detection can be improved in this way；The setting of the display screen of monitor and detector is existed
Whether at tunnel portal, such staff can remotely monitor the air quality of enclosure space, shut down as operator
Blower and the foundation for whether opening screening arrangement, monitor can allow operator intuitively to monitor environment in hole, prevent gas
Detector failure and cause maloperation；Again by the curtain motor of remote operation shielding curtain, construction personnel can remotely be grasped
Make, improves the degree of mechanization and automation.
Further, air supply tube is located at the end in enclosure space to be arranged close to face, so that in enclosure space
Pollution air can be discharged to the maximum extent；The end of air-exhausting duct is arranged close to screening arrangement, so that fresh air is to dirt
It contaminates air and forms the effect of driving, the convection current of gas in enclosure space is accelerated, to improve ventilation efficiency.
Detailed description of the invention
Fig. 1 is pressure combination enclosure space ventilation smoke exhaust structure chart in the present invention；
Fig. 2 is screening arrangement figure in the present invention；
In figure: 1- is pressed into blower, 2- air supply tube, 3- screening arrangement, 4- exhaust fan, 5- air-exhausting duct, 6- exhaust outlet chimney, 7-
Motor, 8- shielding curtain, 9- support frame, 10- transmission case, 11- detector, 12- curtain sliding rail, 13- curtain containing box,
14- monitor.
Specific embodiment
The present invention will be further described below with reference to the drawings.
As shown in Figure 1, a kind of closed pressure combination ventilating system in drill bursting construction tunnel of the present invention, including be arranged in tunnel
Screening arrangement 3 in road, screening arrangement 3 is mainly by curtain motor 7, shielding curtain 8, support frame 9, transmission case 10, gas detection
Device 11, curtain sliding rail 12, curtain containing box 13 and monitor 14 are constituted, wherein each one of 7 or so corner of curtain motor, transmission case
10 are located at the top of support frame 9, can switch over to the transmission direction of the shielding curtain connected, as needed to shielding
Curtain carries out expansion and the bottom tunnel two sides of support frame 9 are arranged in shrinkage operation, curtain containing box 13, and monitor 14 is mounted on
The top position of support frame 9 intuitively real time monitoring can act on the air regime in tunnel by monitor 14；Cooperate gas inspection
Survey the opportunity that device 11 helps construction personnel to judge that curtain is opened together；There are two the settings of detector 11, two gas detections
Device 11 is symmetrically mounted on the two sides of support frame 9, and height of the detector 11 away from ground is 2.5-3m, for monitoring in tunnel
Air quality；Curtain sliding rail 12 is bonded the inner wall that tunnel is arranged in；Shielding curtain 8 includes fixing end and movable end, and fixing end is solid
It is scheduled on the end of curtain sliding rail 12, movable end can slide on curtain sliding rail 12；Curtain sliding rail 12 is arranged on support frame 9, branch
The domed setting of support 9, support frame 9 are fitted in the inner wall in tunnel；
Enclosure space is formed between screening arrangement 3 and tunnel tunnel face；Air supply tube 2 and air-exhausting duct have been protruded into enclosure space
5, air supply tube 2 and air-exhausting duct are located at the end outside enclosure space and stretch out tunnel portal；Wherein, air-exhausting duct 5 is connected with exhaust fan 4,
Exhaust fan 4 is arranged in the enclosed space, and enclosure space is discharged in the gas in enclosure space by exhaust fan 4；Ambient atmos are via sending
Air hose 2 enters enclosure space；Air supply tube 2 is connected with indentation blower 1, and indentation blower 1 is arranged outside enclosure space, is pressed into blower 1
Outside air is inputted in enclosure space.
In a preferred embodiment of the invention, shielding curtain 8 divides for left and right two parts, and two parts symmetrically open and close,
When two closings in left and right, shielding curtain 8 and face form enclosure space；The shielding curtain of left and right two is separately connected correspondence
The curtain motor of side, the shielding curtain of left and right two are provided with fixing end and movable end, the fixing end point of two shielding curtains
It is not fixed on the bottom of the curtain sliding rail 12 of respective side；Curtain motor 7 drives the movable end of corresponding side shield curtain sliding along curtain
Rail 12 slides, and realizes the automatic deploying and retracting of shielding curtain 8；When two movable ends are when the top of curtain sliding rail 12 crosses, shielding is filled
It sets and forms enclosure space between tunnel tunnel face.There is the coincidence of 15-20cm in 10 position of transmission case after the rise of two sides curtain；Curtain
Two sides closely reserved down air supply tube 2 and air-exhausting duct 5 by duct, curtain can be placed in curtain containing box 13 after withdrawing；
The control switch of two curtain motors is arranged at tunnel portal, and curtain motor connects control switch by cable.
In the present invention, in order to realize long-range monitoring, monitor 14 and detector 11 are respectively connected with display screen, and show
Screen is arranged at tunnel portal.
In the present invention, support frame 9 is mounted on the side on splash guard trolley close to face, is provided on splash guard trolley
Fixed frame, support frame 9 are fixed on the fixed frame；Specifically, it is provided at the middle part of fixed frame and two sides flexible
Bar, the other end of telescopic rod are fixed on splash guard trolley, the height of fixed frame are adjusted by adjusting telescopic rod, and then realize
Adjusting to the height of support frame 9；
In a certain embodiment of the invention, telescopic rod is realized using jack joint steel pipe, by adjusting jack
To realize the adjustment of distance between connected steel pipe and fixed frame；
In another embodiment of the invention, telescopic rod is realized using more piece adjusting rod, is provided on each adjusting rod
Pin hole realizes the fixed fixation of adjusting rod by being inserted into pin in pin hole.
By mobile splash guard trolley, movement of the screening arrangement in tunnel is realized.
Air supply tube 2 is located at the end in enclosure space and is arranged close to face, and air-exhausting duct 5 is located at the end in enclosure space
It is arranged close to screening arrangement, specifically, air supply tube air outlet is stretched to the position for being less than 15m away from face distance, exhaust fan 4
Air inlet is placed on the position apart from screening arrangement 2-3m, while air inlet position and air supply tube nozzle 2 are at a distance of 20-30m.
In the present invention, indentation blower 1 is located at hole, and air supply tube 2 and air-exhausting duct 5 are vent hose, and caliber is slightly larger than
The reserving hole channel of curtain, wherein air-exhausting duct 5 stretches out outside hole and air outlet is made into chimney-like upwards, forms exhaust outlet chimney 6.
A kind of operation principle and process of the closed pressure combination ventilating system in drill bursting construction tunnel of the present invention specifically:
The indentation blower 1 outside hole and the exhaust fan 4 in hole are set up first, and ventilation duct is connected closely with each blower, after opening blower, is led to
Wind hose expansion can be bonded with shielding curtain and keep sealing effect.
Exhaust outlet chimney 6 is installed outside hole, by screening arrangement 3 according to hole size, support frame 9 is made, moves into hole
And it is mounted on the fixed frame of splash guard trolley prepackage；Each equipment after the installation is completed, after construction personnel to be blasted withdraws from, is grasped outside hole
7 pull-up of curtain motor shielding curtain 8 can remotely be controlled by making personnel, and shielding curtain 8 is gradually increasing along curtain sliding rail 12, and
The transmission case 10 at top is overlapped 15-20cm, can obtain better seal effect in this way；After explosion, shielding curtain 8 blocks quick-fried
The diffusion of broken dust reduces pollution level elsewhere in hole, by pollution air control in the range of enclosure space, favorably
In the quick discharge of gas；Operator outside hole opens two Fans, and fresh air is blown into hole by indentation blower 1, and to dirt
Dye air plays the role of " driving ", and the exhaust fan 4 in enclosure space is formed about a certain range of subnormal ambient in its air inlet,
Accelerate to absorb pollution air, and blow into air-exhausting duct 5, the pollution air in pipeline is discharged by hole exhaust outlet chimney 6
To outside hole；In ventilation process, operator is by the detector 11 and monitor 14 that are mounted on screening arrangement 3 in hole
Air quality is monitored in real time, and wherein detector 11 plays quantitative monitoring to gas in hole, obtained real-time number
According to can provide whether shut down blower for operator, and the foundation of screening arrangement whether is opened, monitor 14 allows operator
Member intuitively monitors environment in hole, prevents 11 failure of detector and causes maloperation；After air environment is suitable in hole, operation
Personnel can shut down blower, open the curtain motor 7 on screening arrangement, motor traction shielding curtain 8 is along under curtain sliding rail 12
It is sliding, and curtain containing box 13 is eventually entered into, ventilation terminates as a result, and constructing tunnel enters subsequent processing.
The present invention has used altogether 2 Fans to carry out smoke evacuation dedusting, and outer, one pumping of a pressure in two Fans one is being closed
The smog for generating explosion will not be spread in hole elsewhere, and indentation blower blowing enters enclosure space, simultaneously
Exhaust fan in hole will pollute air and absorb, and be discharged via pipeline；Under closed small-scale environments, two Fans collective effects,
Therefore ventilation duration of the invention can be greatly lowered compared to tradition ventilation method, saved electric energy, also made air in hole
Quality reaches suitable state, while can accelerate construction progress and efficiency；Screening arrangement of the invention, using motor control screen
The opening and closing of curtain is covered, transmission case and monitor are installed at the top of device, there are also detectors can be to the air matter in tunnel
Measure real-time monitoring.
The above, preferred embodiments only of the invention, is not intended to limit the scope of the present invention, but ability
The technical staff in domain should be understood that the following contents: technical staff can still repair aforementioned documented technical solution
Change or equivalent replacement of some of the technical features, so that the present invention can be applied to reasonably in Practical Project；
What technical staff was done simultaneously modifies or replaces, each technical solution of the present invention that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of closed pressure combination ventilating system in drill bursting construction tunnel, which is characterized in that including being arranged in tunnel
Screening arrangement (3) and support frame (9), the setting of support frame as described above (9) arch, fit with the inner wall in tunnel；
The screening arrangement (3) includes curtain sliding rail (12) and shielding curtain (8), and the curtain sliding rail (12) is arranged in support frame
(9) on；
The shielding curtain (8) includes fixing end and movable end, and the fixing end is fixedly connected on one of curtain sliding rail (12)
End, movable end are slided along curtain sliding rail (12)；
When shielding curtain (8) expansion, enclosure space is formed between screening arrangement (3) and tunnel tunnel face；It is stretched in enclosure space
Enter to have air supply tube (2) and air-exhausting duct (5), and air supply tube (2) and air-exhausting duct (5) are located at the end outside enclosure space and stretch out Tunnel
Mouthful；
The air-exhausting duct (5) is connected with exhaust fan (4), and enclosure space is discharged in the gas in enclosure space by exhaust fan (4)；It is extraneous
Gas delivers into enclosure space by air supply tube (2).
2. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as described in claim 1, which is characterized in that institute
It states air supply tube (2) and is connected with indentation blower (1), indentation blower (1) is arranged outside enclosure space, and indentation blower (1) will be extraneous empty
Gas is delivered to enclosure space.
3. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as described in claim 1, which is characterized in that institute
Stating shielding curtain (8) includes that symmetrically arranged first shielding curtain and secondary shielding curtain, two shielding curtains are provided with solid
Fixed end and movable end, the fixing end of two shielding curtains are separately fixed at the bottom of the curtain sliding rail (12) of respective side；Two screens
The movable end for covering curtain is slided along curtain sliding rail (12)；When two movable ends cross at the top of curtain sliding rail (12), shielding
Enclosure space is formed between device and tunnel tunnel face.
4. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as claimed in claim 3, which is characterized in that institute
Support frame (9) is stated to be mounted on splash guard trolley；Fixed frame is provided on splash guard trolley, between fixed frame and splash guard trolley
Several telescopic rods are provided with, make support frame (9) to be bonded tunnel inner wall by adjusting telescopic rod.
5. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as claimed in claim 3, which is characterized in that institute
State the transmission case (10) being provided at the top of support frame (9) for switching shielding curtain moving direction；Two shield consolidating for curtain
Fixed end is provided with curtain containing box (13), for storing the shielding curtain (8) of respective side；The movable end of two shielding curtains is equal
It is connected with curtain motor (7), and the control switch of curtain motor (7) is arranged at tunnel portal.
6. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as claimed in claim 3, which is characterized in that institute
It states and is additionally provided with monitor (14) and detector (11) on support frame (9), the monitor (14) is arranged in support frame (9)
Top；The quantity of the detector (11) is two, and two detectors (11) are separately mounted to support frame (9)
Two sides；The monitor (14) and detector (11) are respectively connected with display screen, and display screen is arranged at tunnel portal.
7. a kind of closed pressure combination ventilating system in drill bursting construction tunnel as described in claim 1, which is characterized in that institute
It states the end that air supply tube (2) is located in enclosure space to be arranged close to face, the air-exhausting duct (5) is located at the end in enclosure space
Portion is arranged close to screening arrangement.
8. such as a kind of described in any item ventilations of the closed pressure combination ventilating system in drill bursting construction tunnel of claim 1-7
Method, which comprises the following steps:
S1 installs screening arrangement, construction area is surrounded enclosure space；
S2 is opened exhaust fan (4), and the pollution air in enclosure space is discharged；
S3, the air quality in real-time monitoring enclosure space, meets the requirements to air, closes exhaust fan (4), mobile shielding device
Into next working procedure.
9. a kind of method of ventilation of the closed pressure combination ventilating system in drill bursting construction tunnel as claimed in claim 8,
It is characterized in that, the step S1's method particularly includes: screening arrangement is mounted on splash guard trolley, and adjusts telescopic rod, is made
It obtains curtain sliding rail (12) and is bonded tunnel inner wall；Start two curtain motors, drives the movable end of two shieldings curtain (8) along curtain
Sliding rail (12) slides into top；Further include the process of press in of outside air in the step S2, specifically, is pressed by starting
Outside air is delivered to enclosure space via air supply tube (2) by blower (1).
10. a kind of method of ventilation of the closed pressure combination ventilating system in drill bursting construction tunnel as claimed in claim 8,
It is characterized in that, in the step S3, by display screen and detector that the monitor (14) at tunnel portal is arranged in
(11) display screen, to the air real-time monitoring in tunnel；By mobile splash guard trolley, realize screening arrangement (3) in tunnel
Interior movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595522.5A CN109723484B (en) | 2018-12-25 | 2018-12-25 | Closed pressure drainage combined ventilation system and ventilation method for tunnel construction by drilling and blasting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595522.5A CN109723484B (en) | 2018-12-25 | 2018-12-25 | Closed pressure drainage combined ventilation system and ventilation method for tunnel construction by drilling and blasting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723484A true CN109723484A (en) | 2019-05-07 |
| CN109723484B CN109723484B (en) | 2020-10-09 |
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| CN201811595522.5A Active CN109723484B (en) | 2018-12-25 | 2018-12-25 | Closed pressure drainage combined ventilation system and ventilation method for tunnel construction by drilling and blasting method |
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| CN110242340A (en) * | 2019-07-16 | 2019-09-17 | 杭州创威实业股份有限公司 | A kind of depth tunnel oxygen rich gas circulatory system |
| CN110878977A (en) * | 2019-11-18 | 2020-03-13 | 杭州友邦演艺设备有限公司 | Stage frame with air circulation |
| CN111577364A (en) * | 2020-05-06 | 2020-08-25 | 中铁二院工程集团有限责任公司 | High-altitude tunnel step oxygen supply system and use method thereof |
| CN112459783B (en) * | 2020-12-23 | 2023-01-17 | 莱芜莱新铁矿有限责任公司 | Safety device for mining under filling body |
| CN112459783A (en) * | 2020-12-23 | 2021-03-09 | 莱芜莱新铁矿有限责任公司 | Safety device for mining under filling body |
| CN113090317A (en) * | 2021-05-13 | 2021-07-09 | 重庆工程职业技术学院 | Coal mine dust isolation treatment device and use method |
| CN113090317B (en) * | 2021-05-13 | 2022-06-10 | 重庆工程职业技术学院 | Coal mine dust isolation treatment device and use method |
| CN113847079A (en) * | 2021-10-14 | 2021-12-28 | 湖南长院悦诚装备有限公司 | Dust removal vehicle for tunnel |
| CN113847079B (en) * | 2021-10-14 | 2024-05-03 | 湖南长院悦诚装备有限公司 | Dust removal vehicle for tunnel |
| CN113914930A (en) * | 2021-10-29 | 2022-01-11 | 成都未来智隧科技有限公司 | Tunnel smoke dust treatment equipment and system |
| CN113914930B (en) * | 2021-10-29 | 2024-04-05 | 成都未来智隧科技有限公司 | Tunnel smoke and dust treatment facility and system |
| CN114278360A (en) * | 2021-12-23 | 2022-04-05 | 中交路桥建设有限公司 | Movable type dust blocking and trapping oxygen supply device and method based on tunnel construction operation |
| CN116146271A (en) * | 2023-03-15 | 2023-05-23 | 中铁一局集团(广州)建设工程有限公司 | Dust settling device and construction dust settling method for cantilever heading machine of narrow tunnel |
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Effective date of registration: 20210624 Address after: No. 605, Maogang Road, Huangpu District, Guangzhou, Guangdong 510700 Patentee after: GUANGDONG BLASTING ENGINEERING Co.,Ltd. Address before: 710064 middle section of South Second Ring Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: CHANG'AN University |
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