CN212272279U - Environment self-control type tunnel ventilation dust-settling purification device - Google Patents
Environment self-control type tunnel ventilation dust-settling purification device Download PDFInfo
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- CN212272279U CN212272279U CN202020757144.2U CN202020757144U CN212272279U CN 212272279 U CN212272279 U CN 212272279U CN 202020757144 U CN202020757144 U CN 202020757144U CN 212272279 U CN212272279 U CN 212272279U
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Abstract
The utility model discloses an environment self-control tunnel ventilation dust-fall purification device, which comprises a jet fan box, an air state monitoring unit, a dust-fall water curtain ring, a water curtain pump set and a water supply and return system, wherein the jet fan box is respectively connected with a centralized control box; the dust falling water curtain rings are arranged along the profile of the tunnel and are soft isolation barriers of the tunnel, and the tunnel is divided into a plurality of groups of dust falling units; the water curtain pump set is connected with the multiple groups of dust settling units, and the other end of the water curtain pump set is connected with the clear water tank; and the water supply and return system supplies water to the dust settling unit and recycles the wastewater. The beneficial effects are that, because integrated air condition monitoring module, to air particulate matter concentration monitoring and warning in the tunnel, effectively remind fortune dimension cleaning operation, automatic start to the water curtain ring is divided into a plurality of dust fall units with the tunnel for the soft isolation barrier of tunnel and realizes the dirt filtration, avoids carrying the raise dust air and gets into next dust fall unit, guarantees that the air is clean in the tunnel, can provide good air circumstance for personnel's evacuation, avoids dirty environment to cause personnel's secondary damage.
Description
Technical Field
The utility model relates to a dust fall purification device; in particular to an environment self-control type tunnel ventilation dust-settling purification device applied to railway tunnel engineering and urban rail transit tunnel engineering.
Background
In recent years, with the mass construction of railway tunnel engineering and urban rail transit engineering, the design of disaster prevention and ventilation schemes and equipment selection in engineering tunnels are increasingly emphasized. The jet fan is one of the most common devices in tunnel disaster prevention and ventilation design of railway tunnel engineering and urban rail transit engineering, but the jet fan can only meet the requirement of the wind speed in the tunnel and cannot effectively improve the air quality in the tunnel. And the interior air quality of track traffic tunnel is all relatively poor, and particulate matter such as dust is more, and the clean difficulty is maintained in daily operation, and tunnel emergency evacuation passageway, rescue passageway only launch under emergency condition, when jet fan emergency condition opened, because the higher a large amount of raise dusts that can cause in the tunnel of fan export wind speed, to emergency condition under personnel evacuation cause the influence, even make personnel receive secondary damage because dirty air circumstance in the tunnel.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art defect, provide an environment automatic control formula tunnel ventilation dust fall purifier that all kinds of tunnel engineering promptly evacuate passageway, rescue passageway and provide high air quality.
The technical scheme adopted by the utility model is that an environment self-control tunnel ventilation dust-fall purification device comprises a jet fan box connected with a centralized control box through cables, an air state monitoring unit for detecting the environment in a dust-fall unit in real time, a dust-fall water curtain ring, a water curtain pump set and a water supply and return system; the dust falling water curtain ring is arranged into a tunnel soft isolation barrier along the contour of the tunnel, and the tunnel is divided into a plurality of groups of dust falling units; one end of the water curtain pump set is connected with the multiple groups of dust settling units through water supply pipes to supply water to the dust settling units, and the other end of the water curtain pump set is connected with the clean water tank; and the water supply and return system supplies water for the dust settling unit through a pipeline and recycles the wastewater through the pipeline.
The air blowing unit comprises an air blowing unit which is connected with the water curtain water supply pipe through a blowing control valve.
The tunnel is characterized by also comprising a vacuum drainage device, a reuse water treatment unit for filtering reuse water and a reuse water confluence ditch arranged at the bottom of the tunnel;
the reuse water treatment unit comprises a reuse water treatment device and a reuse water adjusting sedimentation tank; the vacuum drainage device is connected with a reuse water confluence ditch in the water supply and return system through a wastewater recovery pipe, and the accumulated water in the reuse water confluence ditch is pumped to a reuse water adjusting sedimentation tank.
And the jet fan box is arranged at the end of the tunnel, and supplies air to the dust settling unit to push air to flow.
The air state monitoring unit comprises a temperature and humidity monitor and a dust monitor; the dust falling water curtain rings are arranged in a group at intervals of 30-50M in the tunnel and comprise water curtain pipelines and regional dust falling water curtain control boxes; a water curtain control valve is arranged between the water curtain pipeline and the regional dust fall water curtain control box and used for controlling the water curtain ring to supply water to be turned on/off, and a plurality of water curtain spray heads are uniformly arranged on the water curtain pipeline; the temperature and humidity monitor and the raise dust monitor are respectively connected with the regional dust fall water curtain control box.
The centralized control box is connected with the regional dust fall water curtain control box through a first control cable and is respectively connected with the water curtain pump set, the air purging unit, the vacuum drainage device, the clear water tank, the reuse water treatment device and the reuse water regulation sedimentation tank through a fifth control cable.
The dust fall water curtain control box is respectively connected with the first control cable, the second control cable, the third control cable and the fourth control cable; the centralized control box is respectively connected with the temperature and humidity monitor, the dust emission detector and the water curtain control valve, so that signal transmission and regional linkage control are realized.
The beneficial effects of the utility model are that, because integrated air condition monitoring module, to air particulate matter concentration monitoring and warning in the tunnel, effectively remind fortune dimension cleaning operation, automatic start especially uses the water curtain ring to divide into a plurality of dust fall units with the tunnel for the soft isolation protective screen of tunnel and realizes the dirt filtration, the air of avoiding carrying the raise dust gets into next dust fall unit, guarantee the air cleanness in the tunnel, in case can provide good air circumstance when personnel are sparse when the occurence of failure, avoid dirty environment to cause personnel's secondary damage.
Drawings
FIG. 1 is a schematic plan view of the self-controlled environment type tunnel ventilation, dust fall and purification device of the present invention;
fig. 2 is a side view of the dust-reducing water curtain ring of the present invention.
In the figure:
1. jet fan 2, air state monitoring unit 3, dust-reducing water curtain ring 4, water curtain pump set
5. Vacuum drainage device 6, reuse water treatment unit 7, air purge unit 8, clean water tank
9. A centralized control box 10, a water supply and return system.
Detailed Description
The invention will be described in further detail with reference to the following drawings and embodiments:
as shown in fig. 1 and fig. 2, the utility model relates to an environment self-control tunnel ventilation dust-fall purification device, which comprises a jet fan box 1 connected with a centralized control box 9 through cables, an air state monitoring unit 2 for detecting the environment in a dust-fall unit in real time, a dust-fall water curtain ring 3, a water curtain pump set 4, a vacuum drainage device 5, a reuse water processing unit 6, an air purging unit 7, a clear water tank 8 and a water supply and return system 10; the dust-falling water curtain rings 3 are arranged in a tunnel at intervals of 30-50M, tunnel soft isolation barriers are arranged along the contour of the tunnel, the tunnel is divided into a plurality of groups of dust-falling units, and 1 dust-falling unit is arranged between two adjacent water curtain rings (the curtain rings at two ends are respectively an A water curtain ring and a B water curtain ring); the water curtain pump set 4 absorbs water from the clean water tank 8 and supplies water to the water curtain ring through the water curtain supply pipe 101, and the other end of the water curtain pump set 4 is connected with the clean water tank 8; and the water supply and return system 10 supplies water for the dust settling unit through a pipeline and recycles the wastewater through the pipeline.
And the jet fan box 1 is arranged at the end of the tunnel, supplies air to the dust settling unit, pushes air to flow, and removes dust by cooperating with the water curtain ring. The air state monitoring unit 2 detects the environment condition in the dust-falling unit in real time and comprises a temperature and humidity monitor 21 and a dust monitor 22; the dust fall water curtain ring 3 comprises a water curtain pipeline 31 and a regional dust fall water curtain control box 33; a water curtain control valve 34 is arranged between the water curtain pipeline 31 and the regional dust fall water curtain control box 33 to control the water curtain ring to supply water to be turned on/off, and a plurality of water curtain nozzles 32 are uniformly arranged on the water curtain pipeline 31; the temperature and humidity monitor 21 and the raise dust monitor 22 are respectively connected with the regional dust fall water curtain control box 33. The dustfall water curtain control box 33 is connected to a first control cable 111, a second control cable 112, a third control cable 113, and a fourth control cable 114, respectively.
The air purging unit 7 supplements air into the water curtain water supply pipe or presses clean water in the pipeline into the clean water tank 8, and the air purging unit 7 comprises an air purging unit 71 which is connected with the water curtain water supply pipe through a purging control valve 72. The air purging unit 71 is started after the water curtain is sprayed, the purging control valve 72 is opened, air is supplied to the water supply pipe of the water curtain, clean water in the pipeline is pressed into the clean water tank, the water supply and return pipelines are kept in an empty pipe state, freezing damage of the pipeline in a cold region is avoided, and water is filled when the water curtain ring works again.
The reuse water treatment unit 6 which enters the clean water tank after the reuse water is filtered, disinfected and the like comprises a reuse water treatment device 61 and a reuse water adjusting sedimentation tank 62; the vacuum drainage device 5 is connected with a tunnel bottom reuse water converging channel 106 and a reuse water converging channel 106 in the water supply and return system 10 through a wastewater recovery pipe 103, and is used for collecting wastewater sprayed to the ground by a water curtain ring spray head and pumping accumulated water in the reuse water converging channel 106 to the reuse water adjusting sedimentation tank 62. The backwater control valve 104 controls the vacuum drainage device 5 to start in a linkage manner according to the water level in each backwater confluence ditch 106; the backwater control valve 104 is normally closed at normal times, and when the water level in the backwater collecting channel 106 reaches a control value, the backwater control valve 104 is opened to perform drainage in linkage with the opening of the vacuum drainage device 5.
The centralized control box 9 is respectively connected with the temperature and humidity monitor 21, the dust emission detector 22 and the water curtain control valve 34, so that signal transmission and regional linkage control are realized. The centralized control box 9 is connected with the regional dust fall water curtain control box 33 through a first control cable 111 and is respectively connected with the water curtain pump set 4, the air purging unit 71, the vacuum drainage device 5, the clear water tank 8, the reuse water treatment device 61 and the reuse water regulation sedimentation tank 62 through a fifth control cable 115, the whole device is subjected to programmed work linkage control, and control information can be remotely transmitted to an upper-level fixed or mobile control terminal.
The utility model discloses environment automatic control formula tunnel ventilation dust fall purifier's theory of operation is, when raise dust detector monitoring environment concentration reached the dust fall setting value in single dust fall unit, signal transmission to regional dust fall water curtain control box, the water curtain control valve is opened in the linkage, and transmit the signal to intelligence centralized control case through control cable, start the water curtain control valve of dust fall unit water curtain ring, the back starts the water curtain pump package, supply water to dust fall water curtain ring through dust fall water curtain delivery pipe, the water curtain shower nozzle water spray, form the water curtain. When the water curtain pump set is started, the jet fan is synchronously started to supplement air into the tunnel, so that the air in the tunnel flows. The flowing air enters the dust settling unit through the water curtain ring B, and the water curtain ring B filters the air to ensure that the flowing air entering the dust settling unit is clean. Continuous flowing air sweeps raise dust in the dust fall unit and flows, realizes the dust filtration to A curtain ring, avoids carrying the air entering next dust fall unit of raise dust, causes adjacent space air pollution. When the raise dust monitor monitors that the environmental quality meets the requirements, the environment self-control type tunnel ventilation and dust fall purification device is stopped. In winter or in severe cold areas, after the dust fall of the water curtain ring is finished, the air supply unit can supply air into the dust fall water curtain water supply pipe through the air purging unit, clear water in the pipeline is pressed into the clear water tank, the water supply pipeline is kept in an empty pipe state, and the freezing damage is avoided. The waste water sprayed to the ground by the water curtain ring is collected by the reuse water converging channel, pumped and discharged to the reuse water adjusting sedimentation tank by the vacuum drainage device, and is treated by the reuse water treatment device after being precipitated and then is supplemented to the clear water tank.
The device is applied to railway tunnel engineering and urban rail transit tunnel engineering, can effectively solve the air quality problem commonly existing in disaster prevention and rescue evacuation facilities such as emergency exits, refuges, evacuation galleries and the like in tunnels, improves the safety of the evacuation facilities on the premise of meeting the ventilation requirement of emergency working conditions, and reduces the later maintenance of the evacuation facilities. This device integration air condition monitoring module to air particulate matter concentration monitoring and warning in the tunnel, effectively reminds fortune dimension cleaning operation, and automatic start when guaranteeing the occurence of failure personnel's sparse air circumstance avoids dirty environment to cause personnel's secondary damage. The utility model discloses but ventilation dust fall purifier wide application in railway tunnel and city rail engineering project to can expand to the tunnel construction and ventilate, industrialization prospect is wide.
It is worth pointing out that the protection scope of the present invention is not limited to the above specific example, and according to the basic technical concept of the present invention, the same basic structure can be used, so as to achieve the purpose of the present invention, as long as the ordinary skilled person in the art does not need to work creatively, the conceivable embodiments all belong to the protection scope of the present invention.
Claims (7)
1. An environment self-control type tunnel ventilation dust-fall purification device is characterized in that a jet fan box (1) connected with a centralized control box (9) through cables, an air state monitoring unit (2) for detecting the environment in a dust-fall unit in real time, a dust-fall water curtain ring (3), a water curtain pump set (4) and a water supply and return system (10) are respectively arranged; the dust falling water curtain ring (3) is arranged as a tunnel soft isolation barrier along the contour of the tunnel to divide the tunnel into a plurality of groups of dust falling units; one end of the water curtain pump set (4) is connected with the multiple groups of dust settling units through a water supply pipe (101) to supply water to the dust settling units, and the other end of the water curtain pump set (4) is connected with the clean water tank (8); and the water supply and return system (10) supplies water for the dust settling unit through a pipeline and recycles the wastewater through the pipeline.
2. The environment self-control type tunnel ventilation dust-fall purification device of claim 1, further comprising an air purging unit (7) for supplying air to the water curtain water supply pipe or for pressing clean water in the pipeline into the clean water tank (8), wherein the air purging unit (7) comprises an air purging unit (71) connected with the water curtain water supply pipe through a purging control valve (72).
3. The environment self-control type tunnel ventilation dust-fall purification device of claim 1 or 2, further comprising a vacuum drainage device (5), a reuse water treatment unit (6) for filtering reuse water and a reuse water confluence ditch (106) arranged at the bottom of the tunnel;
the reuse water treatment unit (6) comprises a reuse water treatment device (61) and a reuse water adjusting sedimentation tank (62); the vacuum drainage device (5) is connected with a reuse water converging channel (106) in the water supply and return system (10) through a waste water recovery pipe (103), and accumulated water in the reuse water converging channel (106) is sucked to the reuse water adjusting sedimentation tank (62).
4. The environment self-control tunnel ventilation dust-fall purification device of claim 1, wherein the jet fan box (1) is arranged at the end of the tunnel, and supplies air to the dust-fall unit to push air to flow.
5. The environment self-control type tunnel ventilation dust-fall purification device of claim 1, wherein the air condition monitoring unit (2) comprises a temperature and humidity monitor (21) and a dust monitor (22); dust falling water curtain rings (3) are arranged in a tunnel at intervals of 30-50M and comprise water curtain pipelines (31) and an area dust falling water curtain control box (33); a water curtain control valve (34) is arranged between the water curtain pipeline (31) and the regional dust fall water curtain control box (33) to control the water curtain ring to supply water to be turned on/off, and a plurality of water curtain spray heads (32) are uniformly arranged on the water curtain pipeline (31); the temperature and humidity monitor (21) and the raise dust monitor (22) are respectively connected with the regional dust fall water curtain control box (33).
6. The environment self-control type tunnel ventilation dust-fall purification device of claim 1, wherein the centralized control box (9) is connected with the area dust-fall water curtain control box (33) through a first control cable (111) and is respectively connected with the water curtain pump set (4), the air purging unit (71), the vacuum drainage device (5), the clear water tank (8), the reuse water treatment device (61) and the reuse water regulation sedimentation tank (62) through a fifth control cable (115).
7. The environment self-control type tunnel ventilation dust-fall purification device of claim 5, wherein the dust-fall water curtain control box (33) is respectively connected with a first control cable (111), a second control cable (112), a third control cable (113) and a fourth control cable (114); the centralized control box (9) is respectively connected with the temperature and humidity monitor (21), the dust monitor (22) and the water curtain control valve (34), so that signal transmission and regional linkage control are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020757144.2U CN212272279U (en) | 2020-05-09 | 2020-05-09 | Environment self-control type tunnel ventilation dust-settling purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020757144.2U CN212272279U (en) | 2020-05-09 | 2020-05-09 | Environment self-control type tunnel ventilation dust-settling purification device |
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| Publication Number | Publication Date |
|---|---|
| CN212272279U true CN212272279U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020757144.2U Active CN212272279U (en) | 2020-05-09 | 2020-05-09 | Environment self-control type tunnel ventilation dust-settling purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212272279U (en) |
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- 2020-05-09 CN CN202020757144.2U patent/CN212272279U/en active Active
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