CN212389369U

CN212389369U - Smoke discharging rescue system for double-line tunnel

Info

Publication number: CN212389369U
Application number: CN202021792971.1U
Authority: CN
Inventors: 袁松; 冉龙洲; 郑国强
Original assignee: Sichuan Communication Surveying and Design Institute Co Ltd
Current assignee: Sichuan Communication Surveying and Design Institute Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-22
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a smoke discharge rescue system for a double-track tunnel, which comprises a left track tunnel, a right track tunnel, a smoke discharge cross tunnel and a fan, wherein the smoke discharge cross tunnel comprises a connecting section and a smoke discharge section, and the connecting section is horizontally arranged between the left track tunnel and the right track tunnel; the smoke exhaust section and the connecting section are arranged in the same horizontal direction, one end of the smoke exhaust section is communicated with the right tunnel, and the other end of the smoke exhaust section is provided with a smoke exhaust port communicated with the outside; the utility model discloses a cross cut of discharging fume possesses three kinds of functions of double-line tunnel smoke evacuation, contact rescue and tunnel construction, powerful, greatly reduced the construction degree of difficulty and construction cycle, full play the multinomial function of cross cut of discharging fume during tunnel construction period and operation, important economic value has.

Description

Smoke discharging rescue system for double-line tunnel

Technical Field

The utility model belongs to the technical field of the highway tunnel technique and specifically relates to a rescue system of discharging fume for double-line tunnel.

Background

When the automobile passes through the tunnel, the waste gas can be continuously discharged into the tunnel. When the tunnel is short, the waste gas is not high in concentration accumulated in the tunnel and drifts with the wind along with the time under the influence of natural wind and traffic wind; when the tunnel is longer, waste gas can gather in the tunnel, and waste gas concentration reaches after the certain degree, will influence people's comfort level, reduces the visibility in the tunnel. Meanwhile, the motor vehicle may generate fire and other accidents in the highway tunnel to discharge dense smoke, and the smoke in the tunnel has high concentration and needs to be discharged out of the tunnel as soon as possible. At present, the relevant specification of highway tunnels requires that the travel of smoke in the tunnels is not more than 5km, namely, a smoke exhaust system is required to be arranged for highway tunnels with the length of more than 5 km.

Fig. 1 and fig. 2 show prior art's system of discharging fume, right side tunnel through discharge fume cross tunnel and external intercommunication, left side tunnel through connect the wind channel with discharge fume the cross tunnel intercommunication, connect the wind channel and need go up to stride the right side tunnel and be connected with the cross tunnel of discharging fume, the flue gas in the left side tunnel loops through connecting the wind channel and discharges fume the cross tunnel and discharge fume. However, the connecting air duct is long in arrangement distance, so that the construction scale is large, the bending degree of the connecting air duct is large, and the smoke circulation is influenced; in addition, because the distance between the left line tunnel and the right line tunnel is small, and the common interval is 30m, the longitudinal slope of the connecting air duct is large, the slope can reach 40 degrees, and the construction difficulty is large; moreover, stride right side line tunnel on connecting the wind channel, its construction blasting vibrations are great to the right side line tunnel that the below has been under construction and has been accomplished, in order to avoid vibrations influence, or control the blasting, or increase the interval of the two and increase the longitudinal gradient, and two kinds of modes all can increase the construction degree of difficulty.

The construction process of the traditional tunnel is as follows: the left tunnel and the right tunnel are constructed firstly, and the smoke exhaust system is constructed after the left tunnel and the right tunnel are constructed. It can be seen that the traditional construction method can only be used for one-way construction of a left tunnel and a right tunnel, which results in long construction period and high construction cost;

in the prior art, chinese patent CN206179212U is an automatic door opening system, which specifically includes: the steering engine is arranged beside a switch of the access control system and is connected with an Arduino board hardware part capable of sending a control signal; the infrared transmitter is connected with the infrared receiver through an infrared signal; the infrared receiver is connected with an Arduino board hardware part capable of receiving signals of the infrared receiver; the Arduino board, an open source electronic prototype platform, contains hardware and software. When a visitor wants to enter the access control system through the access control system, the person in the access control system only needs to press the button of the remote controller, the infrared receiver receives data and transmits the data into the processor of the Arduino board, and then the steering engine is controlled by the Arduino board to rotate to replace a hand to press the button. Traffic monitoring systems and fire monitoring systems are also relatively common and mature monitoring systems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve traditional tunnel construction cycle length and the big technical problem of the system construction degree of difficulty of discharging fume provides a rescue system of discharging fume for double-line tunnel. The utility model discloses a china patent CN 206179212U's automatic system of opening door and prior art's traffic monitoring system, fire monitored control system do the reference.

The utility model adopts the technical proposal that: a rescue system of discharging fume for double-track tunnel is including being used for the current left side line tunnel and the right side line tunnel that just are parallel to each other of vehicle, the cross hole and the fan of discharging fume that are used for discharging flue gas in left side line tunnel and the right side line tunnel, the cross hole of discharging fume includes:

the connecting section is horizontally arranged between the left line tunnel and the right line tunnel, is communicated with the left line tunnel and the right line tunnel, and is used for discharging smoke in the left line tunnel;

the smoke exhaust section is arranged in the same horizontal direction as the connecting section, one end of the smoke exhaust section is communicated with the right tunnel, and the other end of the smoke exhaust section is provided with a smoke exhaust port communicated with the outside and used for exhausting smoke in the left tunnel and the right tunnel;

the fan is arranged on one side of the smoke exhaust section close to the smoke exhaust port or on the outer side of the smoke exhaust port and used for extracting smoke in the smoke exhaust section.

Waste gas or flue gas in left side line tunnel and the right side line tunnel are through the fan of the horizontal hole of discharging fume, with waste gas or flue gas discharge to the external world, keep the air quality and the visibility in the tunnel, are favorable to guaranteeing tunnel driving safety. Compared with the arrangement mode of the traditional smoke exhaust system, the utility model has the advantages that the horizontally arranged connecting section replaces the traditional bent connecting air channel, the distance of the connecting section is shortened, meanwhile, the horizontally arranged connecting section is more straight, the longitudinal slope construction is avoided, and the construction scale and the construction difficulty are reduced; and the influence of construction blasting vibration on the tunnel under which construction is finished is also avoided.

Further, the smoke exhaust cross hole is perpendicular to the left line tunnel. Reduce the construction length of discharging fume the cross tunnel, further reduce the construction degree of difficulty.

Further, the width of the connecting section is: 5 m-8 m, height: 6m to 8 m. General rescue vehicles can pass through; after the accident happens to the left-hand tunnel, the rescue vehicle reaches the left-hand tunnel from the right-hand tunnel through the connecting section to rescue in time, so that the accident is prevented from further worsening, and the rescue efficiency is improved. The utility model discloses a horizontal hole of discharging fume not only can be used to discharge fume, still can be used as the rescue.

Furthermore, a first isolation door is arranged on one side, close to the left tunnel, of the connecting section, a second isolation door is arranged on one side, close to the right tunnel, of the connecting section, and a third isolation door is arranged on one side, close to the right tunnel, of the smoke exhaust section; the top of the right tunnel is provided with an expansion section, the two sides of the expansion section are provided with transition sections, and the two sides of the expansion section are communicated with the connecting section and the smoke exhaust section through the transition sections. When the smoke in the left tunnel needs to be discharged, the second isolation door and the third isolation door are closed, the first isolation door is opened, and the smoke in the left tunnel is discharged sequentially through the connecting section, the gradual change section, the expansion section and the smoke discharge section; when the smoke in the right tunnel is required to be discharged, the second isolation door and the first isolation door are closed, the third isolation door is opened, and the smoke in the right tunnel is discharged through the smoke discharging section. The utility model discloses with the corresponding emission respectively of the flue gas in left side line tunnel and right side line tunnel, discharge through the passageway of difference, further improved the efficiency of discharging fume, guarantee the air quality in the tunnel.

Furthermore, the upper part of the right tunnel is provided with a partition board for isolating the expanded section from the right tunnel, and the partition board is used for smoke exhaust of the left tunnel. If the enlarged section is arranged above the right tunnel instead of the upper part, the whole height of the enlarged section is inevitably caused, so that the construction difficulty is increased. The utility model discloses a set up the baffle on the upper portion in right side tunnel, further reduced the height of enlarging the section to reduce the construction degree of difficulty, shortened construction cycle, improved the efficiency of construction.

Further, the partition is made of reinforced concrete. The construction is simple, the manufacture is convenient, and the stability is good.

Furthermore, the tops of the connecting section, the smoke exhaust section, the expanding section and the gradual change section are all arc-shaped. The arc-shaped bearing capacity is stronger, the spanning capacity is larger, the construction is simpler, and the maintenance and repair costs are less.

Furthermore, the fire monitoring system also comprises a control room, and an automatic door opening system, a traffic monitoring system and a fire monitoring system which are used for driving the first isolation door, the second isolation door and the third isolation door to be automatically opened and closed are arranged in the control room. The automatic door opening system can automatically open and close the first isolation door, the second isolation door and the third isolation door; the traffic monitoring system and the fire monitoring system can monitor the traffic condition and the fire condition in the tunnel in real time so that operators can make corresponding rescue measures in time.

Further, the control chamber is arranged within the connection section. More stable and safe, and is convenient for later maintenance and maintenance.

The utility model has the advantages that:

1. compared with the arrangement mode of the traditional smoke exhaust system, the utility model has the advantages that the horizontally arranged connecting section replaces the traditional bent connecting air channel, the distance of the connecting section is shortened, meanwhile, the horizontally arranged connecting section is more straight, the longitudinal slope construction is avoided, and the construction scale and the construction difficulty are reduced; and the influence of construction blasting vibration on the tunnel under which construction is finished is also avoided.

2. The utility model discloses a cross cut of discharging fume possesses three kinds of functions of double-line tunnel smoke evacuation, contact rescue and tunnel construction, powerful, greatly reduced the construction degree of difficulty and construction cycle, full play the multinomial function of cross cut of discharging fume during tunnel construction period and operation, important economic value has.

3. The automatic door opening system of the utility model can automatically open and close the first isolation door, the second isolation door and the third isolation door; the traffic monitoring system and the fire monitoring system can monitor traffic conditions and fire conditions in the tunnel in real time so that operators can timely make corresponding rescue measures and the safety of tunnel operation is guaranteed.

4. The utility model is that the smoke-discharging cross tunnel is firstly constructed, then the left tunnel and the right tunnel can be constructed in two directions in the direction vertical to the cross tunnel, namely the four directions of the double tunnel can be constructed synchronously without mutual interference; compared with the traditional construction method, the utility model greatly shortens the construction period, and the construction period is shortened by nearly one time; meanwhile, convenience is brought to construction, and the construction difficulty is reduced.

Drawings

Fig. 1 is a prior art smoke evacuation cross tunnel.

Fig. 2 is a schematic longitudinal section of a prior art smoke evacuation cross tunnel.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic sectional view taken along line B-B in fig. 4.

Labeled as:

4. a fan; 5. a partition plate; 6. a control room;

11. a left line tunnel; 12. a right-hand tunnel; 13. connecting an air duct; 14. smoke discharging transverse holes;

21. a connecting section; 22. a transition section; 23. an expansion section; 24. a smoke exhaust section; 31. a first isolation gate; 32. a second isolation gate; 33. and a third isolation gate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 3-5, the utility model discloses a rescue system of discharging fume for double-line tunnel, including being used for the vehicle current and the left side line tunnel 11 and the right side line tunnel 12 that are parallel to each other, be used for discharging the cross cut of discharging fume and fan 4 of flue gas in left side line tunnel 11 and the right side line tunnel 12, the cross cut of discharging fume includes: the connecting section 21 is horizontally arranged between the left tunnel 11 and the right tunnel 12, is communicated with the left tunnel 11 and the right tunnel 12, and is used for discharging smoke in the left tunnel 11; a smoke exhaust section 24, which is arranged horizontally with the connecting section 21, one end of which is communicated with the right tunnel 12, and the other end of which is provided with a smoke exhaust port communicated with the outside, and is used for exhausting smoke in the left tunnel 11 and the right tunnel 12; the fan 4 is arranged on one side of the smoke exhaust section 24 close to the smoke exhaust port and used for extracting smoke in the smoke exhaust section 24. The smoke exhaust cross tunnel is perpendicular to the left tunnel 11. A first isolation door 31 is arranged on one side, close to the left tunnel 11, of the connecting section 21, a second isolation door 32 is arranged on one side, close to the right tunnel 12, of the connecting section 21, and a third isolation door 33 is arranged on one side, close to the right tunnel 12, of the smoke exhaust section 24; the top of the right tunnel 12 is provided with an expanding section 23, the two sides of the expanding section 23 are provided with transition sections 22, and the two sides of the expanding section 23 are communicated with the connecting section 21 and the smoke discharging section 24 through the transition sections 22. The upper part of the right tunnel 12 is provided with a partition plate 5 for isolating the expanded section 23 from the right tunnel 12, and the partition plate is used for exhausting smoke from the left tunnel 11. The partition 5 is made of reinforced concrete. The top of the enlarged section 23 is arc-shaped. The automatic door opening system is characterized by further comprising a control room 6, wherein an automatic door opening system, a traffic monitoring system and a fire monitoring system are arranged in the control room 6 and used for driving the first isolation door 31, the second isolation door 32 and the third isolation door 33 to be automatically opened and closed. The control chamber 6 is arranged in the connecting section 21.

The width of the connecting section 21 is: 6.2m, high: 7.4m, the width of the expanding section 23 is 6.2m, the distance from the top of the expanding section 23 to the top of the partition plate 5 is 5.6m, the width of the smoke discharging section 24 is 6.2m, and the height is 7.4 m.

The working principle is as follows: when the smoke in the left tunnel 11 needs to be discharged, the second isolation door 32 and the third isolation door 33 are closed, the first isolation door 31 is opened, and the smoke in the left tunnel 11 is discharged sequentially through the connecting section 21, the gradual-change-in-22 section, the expansion section 23 and the smoke discharge section 24; when the smoke in the right tunnel 12 needs to be discharged, the second isolation door 32 and the first isolation door 31 are closed, the third isolation door 33 is opened, and the smoke in the right tunnel 12 is discharged through the smoke discharging section 24. The smoke of the left tunnel and the smoke of the right tunnel are discharged in a targeted manner respectively and are discharged through different channels, so that the smoke discharging efficiency is further improved, and the air quality in the tunnels is ensured.

When an accident occurs in the left-line tunnel, the rescue vehicle cannot reach the accident site in time due to traffic congestion, the first isolation door and the second isolation door are opened, the rescue vehicle can reach the left-line tunnel from the right-line tunnel through the connecting section for rescue, high-efficiency rescue is achieved, and further deterioration of the accident is avoided.

Example two:

as shown in fig. 3 to 5, the construction method for the dual-line tunnel smoke evacuation rescue system is used for constructing the dual-line tunnel smoke evacuation rescue system of the first embodiment, and includes the following steps:

s1, constructing a smoke exhaust section 24 of the smoke exhaust transverse hole from a direction perpendicular to the left tunnel 11 according to the arrangement trend of the left tunnel 11, and performing primary support and secondary lining on the smoke exhaust section 24;

s2, continuously tunneling the smoke-exhaust cross tunnel, constructing the gradual change section 22 and the expansion section 23 of the smoke-exhaust cross tunnel, and performing primary support and secondary lining on the gradual change section 22 and the expansion section 23;

s3, continuously tunneling the smoke-exhaust transverse tunnel, constructing the connecting section 21 of the smoke-exhaust transverse tunnel, and performing primary support and secondary lining on the connecting section 21;

s4, constructing the left tunnel 11 and the right tunnel 12 on the end part of the connecting section 21 and the expanding section 23 in a bidirectional way in the direction perpendicular to the smoke discharge cross hole; the right tunnel 12 is directly drilled on the straight wall of the expansion section 23 for construction;

s5, after the civil structure is constructed, installing a first isolation door 31 and a second isolation door 32 in the connecting section 21, installing a third isolation door 33 in the smoke exhaust section 24, and installing a fan 4;

s6, a construction control room 6 and a corresponding automatic door opening system, a traffic monitoring system and a fire monitoring system;

the working principle is as follows: the construction method is that the smoke-discharging cross tunnel is firstly constructed, and the left tunnel and the right tunnel can be constructed in two directions in the direction vertical to the cross tunnel, namely, the four directions of the double-track tunnel can be constructed synchronously without mutual interference. Therefore, compared with the traditional construction method, the utility model greatly shortens the construction period, and the construction period is shortened by nearly one time; meanwhile, convenience is brought to construction, and the construction difficulty is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A smoke evacuation rescue system for double-track tunnel, including be used for the vehicle current and left side line tunnel (11) and right side line tunnel (12) that are parallel to each other, be used for discharging the horizontal hole of discharging fume and fan (4) of flue gas in left side line tunnel (11) and right side line tunnel (12), its characterized in that, the horizontal hole of discharging fume includes:

the connecting section (21) is horizontally arranged between the left tunnel (11) and the right tunnel (12), is communicated with the left tunnel (11) and the right tunnel (12), and is used for discharging smoke in the left tunnel (11);

the smoke exhaust section (24) is arranged horizontally with the connecting section (21), one end of the smoke exhaust section is communicated with the right tunnel (12), and the other end of the smoke exhaust section is provided with a smoke exhaust port communicated with the outside and used for exhausting smoke in the left tunnel (11) and the right tunnel (12);

the fan (4) is arranged on one side of the smoke exhaust section (24) close to the smoke exhaust port or on the outer side of the smoke exhaust port and used for extracting smoke in the smoke exhaust section (24).

2. A smoke rescue system for a twin tunnel according to claim 1, characterized in that the smoke cross tunnel is perpendicular to the left tunnel (11).

3. A smoke rescue system for a twin-wire tunnel according to claim 1, characterized in that the width of the connection section (21) is: 5 m-8 m, height: 6m to 8 m.

4. A smoke exhaust rescue system for a twin tunnel according to claim 1, characterized in that one side of the connection section (21) near the left tunnel (11) is provided with a first isolation door (31), one side of the connection section (21) near the right tunnel (12) is provided with a second isolation door (32), and one side of the smoke exhaust section (24) near the right tunnel (12) is provided with a third isolation door (33); an expansion section (23) is arranged at the top of the right tunnel (12), transition sections (22) are arranged on two sides of the expansion section (23), and two sides of the expansion section (23) are communicated with the connecting section (21) and the smoke exhaust section (24) through the transition sections (22).

5. A smoke rescue system for a twin tunnel according to claim 4, characterized in that the upper part of the right tunnel (12) is provided with a partition (5) separating the expanded section (23) and the right tunnel (12) for smoke evacuation of the left tunnel (11).

6. Smoke rescue system for a twin tunnel according to claim 5, characterized in that the partition (5) is made of reinforced concrete.

7. A smoke rescue system for a twin-wire tunnel according to claim 4, characterized in that the top of the connection section (21), the smoke evacuation section (24), the expansion section (23) and the transition section (22) are all arc-shaped.

8. A smoke rescue system for a double-line tunnel according to claim 4, characterized in that it further comprises a control room (6), and an automatic door opening system, a traffic monitoring system and a fire monitoring system for driving the first isolation door (31), the second isolation door (32) and the third isolation door (33) to open and close automatically are arranged in the control room (6).

9. A smoke rescue system for a two-wire tunnel according to claim 8, characterized in that the control room (6) is arranged within the connection section (21).