CN217206531U

CN217206531U - Ventilation and dust removal system for double-hole tunnel construction

Info

Publication number: CN217206531U
Application number: CN202220576205.4U
Authority: CN
Inventors: 王晓明; 赵新宇; 孙亚君; 赵彧; 陶昌贤; 彭猛; 周永兴; 王朝星; 刘�东; 陈世强; 李石林
Original assignee: Guangxi Longma Expressway Co ltd; Guilin University of Aerospace Technology; Hunan University of Science and Technology; CCCC Tunnel Engineering Co Ltd
Current assignee: Guangxi Longma Expressway Co ltd; Guilin University of Aerospace Technology; Hunan University of Science and Technology; CCCC Tunnel Engineering Co Ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-16
Anticipated expiration: 2032-03-16

Abstract

The utility model belongs to the technical field of tunnel construction, in particular to a ventilation and dust removal system for double-hole tunnel construction, which comprises a first main hole, a second main hole, a first palm surface, a first ventilation device, a second palm surface, a second ventilation device, a communication channel for communicating the first main hole and the second main hole, and an air purification device arranged in the communication channel, when in use, the dirty air at the first palm surface in the first main hole is sucked and filtered by the air purification device, the backflow dirty air in the first main hole is effectively filtered and dusted, the dirty air is prevented from circulating in the hole, the air purification device discharges the filtered air into the second main hole to be mixed with the backflow dirty air, the concentration of the dirty air in the second main hole can be reduced, the concentration of dust raised when the trackless transport vehicle discharges slag, and simultaneously, the application adopts the air purification device to simultaneously improve the air quality of the double-hole operation environment, the energy consumption is low, and the occupation of the main tunnel construction channel can be reduced by arranging the air purification device in the communication channel.

Description

Ventilation and dust removal system for double-hole tunnel construction

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the tunnel construction, especially, relate to a double tunnel construction ventilation dust pelletizing system.

[ background of the invention ]

The quality of the air environment inside the tunnel not only directly affects the health and safety of construction operators, but also has great influence on the tunnel construction progress. For example, when the drilling and blasting method is adopted for construction, main sources of pollutants inside a construction tunnel are as follows: the pollutants such as harmful gas and blast smoke generated by the blasting of the tunnel face, the pollution discharge of the mechanical operation of the tunnel face, the pollution discharge of a trackless mucking transport vehicle and the like. Therefore, in order to ensure the working environment of the tunnel face, in the tunnel construction, a ventilation system is adopted to continuously supply a certain amount of fresh air to the tunnel face of the tunnel and timely exhaust polluted air in the tunnel, but the prior ventilation system still has difficulty in achieving quick and effective dust removal.

[ Utility model ] content

The utility model provides a can not only effectively ventilate to the double-opening tunnel simultaneously and remove dust, and the double-opening tunnel construction ventilation dust pelletizing system that the energy consumption is low.

The utility model discloses realized by following technical scheme:

the utility model provides a double tunnel construction ventilation dust pelletizing system, includes first main hole, second main hole, locates the first face of first main hole front end, is used for carrying fresh air to the first ventilation unit of first face, locates the second face of second main hole front end, is used for carrying fresh air to the second ventilation unit of second face, the intercommunication way of intercommunication first main hole and second main hole and locate the air purification device in the intercommunication way, air purification device is used for inhaling the foul gas of filtering in the first main hole to discharge the air after will filtering to the second main hole.

The ventilation and dust removal system for the double-tunnel construction comprises a dust removal device, an air inlet pipe, an air outlet pipe and a dust removal fan, wherein one end of the air inlet pipe is connected with the dust removal device, the other end of the air inlet pipe extends into a first main tunnel, one end of the air outlet pipe is connected with the dust removal device, the other end of the air outlet pipe extends into a second main tunnel, and the dust removal fan is used for sucking dirty air in the first main tunnel into the dust removal device through the air inlet pipe, filtering and removing dust, and then discharging the dirty air from the air outlet pipe into the second main tunnel.

According to the ventilation and dust removal system for the double-tunnel construction, the air inlet of the air inlet pipe is arranged towards the first tunnel face.

According to the ventilation and dust removal system for double-hole tunnel construction, the air outlet of the air outlet pipe is arranged back to the second tunnel face.

According to the ventilation and dust removal system for the double-tunnel construction, the air inlet pipe is a rigid pipe, and the air outlet pipe is a flexible pipe.

According to the ventilation and dust removal system for the double-hole tunnel construction, the dust removal fan is electrically connected with the switch for driving the dust removal fan to start and stop.

According to the ventilation and dust removal system for the double-hole tunnel construction, the dust removal fan is electrically connected with the frequency conversion device for adjusting the rotating speed of the dust removal fan.

According to the ventilation and dust removal system for the double-hole tunnel construction, the dust removal device adopts a wet dust remover.

The ventilation and dust removal system for the double-tunnel construction comprises a first ventilation device and a first air duct connected with the first ventilation device, wherein the second ventilation device comprises a second ventilation device and a second air duct connected with the second ventilation device.

According to the ventilation and dust removal system for the double-hole tunnel construction, the first air duct is arranged on the side wall, away from the communicating channel, of the first main hole, and the second air duct is arranged on the side wall, away from the communicating channel, of the second main hole.

Compared with the prior art, the utility model discloses there is following advantage:

the utility model provides a double-hole tunnel construction ventilation dust removal system, which comprises a first main hole, a second main hole, a first tunnel face arranged at the front end of the first main hole, a first ventilation device used for conveying fresh air to the first tunnel face, a second tunnel face arranged at the front end of the second main hole, a second ventilation device used for conveying fresh air to the second tunnel face, a communication channel communicating the first main hole and the second main hole, and an air purification device arranged in the communication channel, when in use, the sewage gas at the first tunnel face in the first main hole is sucked and filtered by the air purification device, the backflow sewage gas in the first main hole is effectively filtered and dusted, the circulation of the sewage gas in the hole is avoided, the health of constructors is ensured, the air purification device discharges the filtered air into the second main hole, the filtered air is mixed with the backflow sewage gas in the second main hole, can reduce the concentration of dirty gas in the main hole of second, the concentration of raise dust when reducing the trackless transport vechicle and slagging tap, simultaneously, this application adopts an air purification device to improve the air quality of double-hole operation environment simultaneously, and the energy consumption is low, locates air purification device moreover and can reduce the occupation of saying to main hole construction in the intercommunication is said.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of a in fig. 1.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In a specific embodiment, as shown in fig. 1-2, the ventilation and dust removal system for double-hole tunnel construction includes a first main hole 1, a second main hole 2, a first tunnel face 3 disposed at a front end of the first main hole 1, a first ventilation device 4 for delivering fresh air to the first tunnel face 3, a second tunnel face 5 disposed at a front end of the second main hole 2, a second ventilation device 6 for delivering fresh air to the second tunnel face 5, a communication channel 7 for communicating the first main hole 1 and the second main hole 2, and an air purification device 8 disposed in the communication channel 7, wherein the air purification device 8 is configured to suck and filter foul air in the first main hole 1, and discharge filtered air to the second main hole 2. During the use, earlier inhale the filtration through air purification device with the foul gas of first palm face department in the first main hole, the backward flow foul gas in the first main hole has carried out effectual filtration dust fall and has handled, avoid the foul gas to circulate in the hole, guarantee constructor's health, air purification device discharges the air after filtering to the second main hole again, the backward flow foul gas in air and the second main hole after filtering mixes, can reduce the concentration of foul gas in the second main hole, the concentration of raise dust when reducing the trackless transport vechicle and slagging tap, simultaneously, this application adopts an air purification device to improve the air quality of double-hole operation environment simultaneously, the energy consumption is low, and locate air purification device in the intercommunication can reduce the occupation to main hole construction road.

Specifically, the air purification device 8 includes a dust removal device 81, an air inlet pipe 82, an air outlet pipe 83, and a dust removal fan 84, one end of the air inlet pipe 82 is connected with the dust removal device 81, the other end of the air inlet pipe extends into the first main tunnel 1, one end of the air outlet pipe 83 is connected with the dust removal device 81, the other end of the air outlet pipe 83 extends into the second main tunnel 2, and the dust removal fan 84 is configured to suck dirty air in the first main tunnel 1 into the dust removal device 81 through the air inlet pipe 82, filter and remove dust, and then discharge the dirty air from the air outlet pipe 83 into the second main tunnel 2. When the dust removal device is used, the backflow dirty air at the first tunnel face in the first main tunnel is sucked into the air inlet pipe 82 through the dust removal fan 84, enters the dust removal device from the air inlet pipe and is filtered, the filtered dirty air enters the second main tunnel from the air outlet pipe and is mixed with the backflow dirty air in the second main tunnel, and the concentration of the dirty air is reduced so as to improve the air quality in the second main tunnel.

In addition, the air inlet 821 of the air inlet pipe 82 is disposed toward the first palm surface 3. Specifically, the air inlet 821 is disposed in front of the first face 3, and can specifically suck the backflow dirty air at the first face, filter the backflow dirty air, and avoid the dirty air from circulating in the hole.

Further, the air outlet 831 of the air outlet pipe 83 is arranged opposite to the second palm surface 5. The air outlet 831 can avoid filtering back air and the backward flow foul gas in the second main hole to collide with each other back to the second tunnel face, causing raise dust, avoiding making backward flow foul gas form the vortex and unable discharge, and the exhaust direction of the filtration wind is syntropy with the backward flow foul gas, the mixture that can be fine.

Specifically, the air inlet pipe 82 is a rigid pipe, and the air outlet pipe 83 is a flexible pipe. Because air intake 821 is close to first face 3, when first face blasting construction, adopt the rigid tube can avoid the mouth of pipe to be burst, and the air outlet of tuber pipe 83 is the second face of a back of, consequently can not receive blasting construction's influence, adopt flexible pipe low price, with low costs.

Further, the dust removal fan 84 is electrically connected with a switch 9 for driving the dust removal fan 84 to start and stop. Specifically, the switch 9 is a manual electric control switch.

Still further, the dust removal fan 84 is electrically connected with the frequency conversion device 10 for adjusting the rotation speed of the dust removal fan 84. The air quantity is adjusted by the frequency conversion device 10.

Specifically, the dust removing device 81 employs a wet dust remover. The wet dust collector has the advantages of simple structure, small occupied area, convenient maintenance and effective purification effect on gas pollutants such as dust and the like.

More specifically, the first ventilating device 4 includes a first ventilator 41, and a first air duct 42 connected to the first ventilator 41, and the second ventilating device 6 includes a second ventilator 61, and a second air duct 62 connected to the second ventilator 61. The first ventilator 41 and the second ventilator 61 are both press-in axial flow fans.

The first duct 42 is provided on a side wall of the first main hole 1 away from the communication passage 7, and the second duct 62 is provided on a side wall of the second main hole 2 away from the communication passage 7. The returned dirty air from the first palm surface flows along the side wall of the first main hole 1 close to the communication channel 7, so that the dirty air is convenient to enter from the air inlet 821, and the returned dirty air from the second palm surface flows along the side wall of the second main hole close to the communication channel, so that the dirty air is convenient to mix with the filtered air coming out from the air outlet 831.

The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. The utility model provides a double tunnel construction ventilation dust pelletizing system, characterized in that, including first main hole (1), second main hole (2), locate first face (3) of first main hole (1) front end, be used for carrying fresh air to first ventilation unit (4) of first face (3), locate second face (5) of second main hole (2) front end, be used for carrying fresh air to second ventilation unit (6) of second face (5), intercommunication way (7) of first main hole (1) and second main hole (2) of intercommunication and locate air purification device (8) in intercommunication way (7), air purification device (8) are arranged in sucking the foul gas that filters in first main hole (1) to discharge filtered air to second main hole (2).

2. The double-tunnel construction ventilation and dust removal system of claim 1, wherein the air purification device (8) comprises a dust removal device (81), an air inlet pipe (82), an air outlet pipe (83) and a dust removal fan (84), one end of the air inlet pipe (82) is connected with the dust removal device (81), the other end of the air inlet pipe extends into the first main tunnel (1), one end of the air outlet pipe (83) is connected with the dust removal device (81), the other end of the air outlet pipe extends into the second main tunnel (2), and the dust removal fan (84) is used for sucking dirty air in the first main tunnel (1) into the dust removal device (81) through the air inlet pipe (82), filtering and removing dust, and then discharging the dirty air from the air outlet pipe (83) into the second main tunnel (2).

3. The ventilation and dust removal system for double-tunnel construction as claimed in claim 2, wherein the air inlets (821) of the air inlet pipes (82) are arranged toward the first tunnel face (3).

4. The ventilation and dust removal system for double-hole tunnel construction as claimed in claim 2, wherein the air outlet (831) of the air outlet pipe (83) is arranged opposite to the second tunnel face (5).

5. The ventilation and dust removal system for double-hole tunnel construction as claimed in claim 2, wherein the air inlet pipe (82) is a rigid pipe, and the air outlet pipe (83) is a flexible pipe.

6. The ventilation and dust removal system for the double-tunnel construction as recited in claim 2, wherein the dust removal fan (84) is electrically connected with a switch (9) for driving the dust removal fan (84) to start and stop.

7. The ventilation and dust removal system for the double-hole tunnel construction as claimed in claim 2, wherein the dust removal fan (84) is electrically connected with a frequency conversion device (10) for adjusting the rotating speed of the dust removal fan (84).

8. The ventilation and dust removal system for double-hole tunnel construction as claimed in claim 2, wherein the dust removing device (81) adopts a wet dust remover.

9. The ventilation and dust removal system for the double-tunnel construction of claim 1, wherein the first ventilation device (4) comprises a first ventilator (41) and a first air duct (42) connected with the first ventilator (41), and the second ventilation device (6) comprises a second ventilator (61) and a second air duct (62) connected with the second ventilator (61).

10. The double-hole tunnel construction ventilating and dedusting system according to claim 9, wherein the first air duct (42) is arranged on the side wall of the first main hole (1) far away from the communicating channel (7), and the second air duct (62) is arranged on the side wall of the second main hole (2) far away from the communicating channel (7).