CN211692548U - Full-automatic real-time dust fall system of tunnel construction - Google Patents
Full-automatic real-time dust fall system of tunnel construction Download PDFInfo
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- CN211692548U CN211692548U CN202020274762.1U CN202020274762U CN211692548U CN 211692548 U CN211692548 U CN 211692548U CN 202020274762 U CN202020274762 U CN 202020274762U CN 211692548 U CN211692548 U CN 211692548U
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Abstract
The utility model provides a full-automatic real-time dust fall system of tunnel construction reduces the dust pollution that produces in the tunnel construction process. The utility model provides a full-automatic real-time dust fall system of tunnel construction, includes tunnel ventilator, and it still includes the dust removal unit, and the dust removal unit includes support frame, water curtain dust extraction and position adjustment unit, wherein: the support frame is fixedly arranged on the tunnel wall; the water curtain dust collection device is arranged on the support frame, a first dust concentration sensor is arranged at an inlet, and second dust concentration sensors are respectively arranged at outlets; and the position adjusting unit is used for adjusting the position of the water curtain dust collection device on the tunnel wall.
Description
Technical Field
The utility model relates to a dust fall system, concretely relates to full-automatic real-time dust fall system of tunnel construction is applicable to the dust collector in building the tunnel, belongs to environmental protection dust removal technical field.
Background
With the rapid development of the infrastructure of China, more and more highway tunnels, railway tunnels, hydraulic tunnels and the like are proposed. The drilling and blasting method has become the main method of tunnel construction at present due to the characteristics of flexibility, rapidness and high efficiency. However, the drilling and blasting method can generate a great amount of dust pollution in the construction procedures of tunnel drilling, blasting, tunnel ballast discarding and loading, concrete spraying, on-site steel bar welding, waterproof layer welding, lining concrete construction and the like. Because the tunnel is a closed environment, if the dust is not discharged in time, the tunnel construction and the health of personnel can be seriously influenced, and meanwhile, the environmental pollution can be caused, so that how to effectively reduce the dust pollution generated in the tunnel construction process is a problem to be solved urgently.
At present, the dust removal in the tunnel is usually realized by pressing clean air to the position near the tunnel face through a tunnel ventilator, and the dirty air containing dust is discharged out of the tunnel due to air flow caused by the air pressure principle. The dust removal method has low dust removal efficiency, can cause dust in the tunnel to be diffused every time of dust removal, can cause secondary pollution at the same time, and does not meet the requirement of environmental protection. Some tunnels are liquefied dust through the mode of water curtain dust fall, but often can waste a large amount of water resources, cause the tunnel ponding simultaneously too much, influence going on of other processes. The dust removal is carried out through the mobile dust removal equipment, the dust removal effect is good, real-time dust removal cannot be achieved, only single-point dust removal can be achieved at the same time, and the traffic is heavy and heavy, so that the traffic of other engineering vehicles can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-automatic real-time dust fall system of tunnel construction reduces the dust pollution that produces in the tunnel construction process.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a full-automatic real-time dust fall system of tunnel construction, includes tunnel ventilator, and it still includes the dust removal unit, and the dust removal unit includes support frame, water curtain dust extraction and position adjustment unit, wherein:
the support frame is fixedly arranged on the tunnel wall;
the water curtain dust collection device is arranged on the support frame, a first dust concentration sensor is arranged at an inlet, and second dust concentration sensors are respectively arranged at outlets;
and the position adjusting unit is used for adjusting the position of the water curtain dust collection device on the tunnel wall.
According to the optimal scheme of the full-automatic real-time dust fall system for the tunnel, the water curtain dust collection device comprises a suction expansion port, a dust collection bin, a diversion bin and a dust purification bin which are sequentially arranged, first dust concentration sensors are arranged on the periphery of the suction expansion port, a water curtain spray head and a second dust concentration sensor are arranged in the dust purification bin, and a turbine fixing connecting rod, a turbine motor arranged on the turbine fixing connecting rod and a turbine rotating paddle driven by the turbine motor are arranged in the dust collection bin.
According to the optimal scheme of the full-automatic real-time dust settling system for the tunnel, the position adjusting unit comprises a transverse hydraulic rod, an upper hydraulic rod and a lower hydraulic rod, the head of the water curtain dust removal device is connected with one end of the transverse hydraulic rod, and the other end of the water curtain dust removal device is connected with the wall of the tunnel through the upper hydraulic rod and the lower hydraulic rod.
According to the optimal scheme of the full-automatic real-time dust fall system for the tunnel, the first dust concentration sensors are uniformly distributed along the circumferential direction of the expansion suction port.
According to the optimal scheme of the full-automatic real-time dust falling system for the tunnel, a backflow prevention neck ring is arranged between the diversion bin and the dust cleaning bin.
According to the optimal scheme of the full-automatic real-time dust fall system for the tunnel, the support frame comprises a triangular support platform and a fixed column, the triangular support platform is arranged on the tunnel wall, and the fixed column is arranged between the triangular support platform and the tunnel wall.
According to the optimal scheme of the full-automatic real-time dust fall system for the tunnel, the diversion bin is made of flexible, sealed and waterproof materials.
According to the preferable scheme of the full-automatic real-time dust fall system for the tunnel, the suction expanding port extends forwards in a conical shape.
The utility model has the advantages that:
1. the full-automatic real-time dust removal system for the tunnel can monitor the dust concentration condition of each part of the tunnel in real time, can perform full-automatic dust removal operation, and saves consumption of a large amount of manpower.
2. Install on the tunnel wall can, simple to operate does not occupy the space of laying of tunnel construction vehicle or other circuits to can carry out collaborative work with the common ventilation blower in tunnel job site, improved dust collection efficiency and dust removal effect greatly.
3. And automatic control is adopted, so that energy and water are saved, and the dust removal cost is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a left side view of a water curtain dust extraction apparatus according to a selected embodiment of the present invention;
FIG. 2 is an elevation view of a water curtain dust extraction apparatus in accordance with a selected embodiment of the present invention;
FIG. 3 is a rear view of a water curtain dust extraction apparatus according to a selected embodiment of the present invention;
FIG. 4 is a left side view of a dust extraction unit of selected embodiments of the present invention;
FIG. 5 is an elevation view of a water curtain dust extraction apparatus in accordance with selected embodiments of the present invention;
FIG. 6 is a rear view of a water curtain dust extraction apparatus according to a selected embodiment of the present invention;
figure 7 is a schematic representation of selected embodiments of the present invention installed in a tunnel.
The above figures are only schematic illustrations, with the distances and dimensions between the parts exaggerated to show the positions of the parts.
Wherein: 1 expanding suction port, 2 first dust concentration sensors, 3 dust suction bins, 4 turbine propellers, 5 turbine motors, 6 diversion bins, 7 dust purification bins, 8 water curtain nozzles, 9 water curtain dust suction devices, 10 turbine fixing connecting rods, 11 backflow prevention neck rings, 12 sensor fixing connecting rods, 13 second dust concentration sensors, 14 fixing columns, 15 triangular support tables, 16 transverse hydraulic rods, 17 overhead hydraulic rods, 18 underneath hydraulic rods, 19 tunnel walls, 20 longitudinal dust removal units, 21 tunnel ventilators, 22 ventilator airflow directions, 23 dust suction airflow directions, 24 water flow directions, 25 two-side drainage ditches and 26 tunnel bottom plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate directions
The positional or positional relationship is based on that shown in the drawings and is for convenience of description and simplicity of illustration only
Rather than indicating or implying that the device or element so referred to must have a particular orientation, be constructed and arranged in a particular orientation
Operation, and therefore should not be construed as limiting the invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides a full-automatic real-time dust fall system of tunnel construction, includes tunnel ventilator 21, and it still includes dust removal unit 20, and dust removal unit includes support frame, water curtain dust extraction 9 and position adjustment unit, wherein: the supporting frame is fixedly arranged on the tunnel wall 19 and comprises a triangular supporting platform 15 and a fixing column 14, the triangular supporting platform 15 is arranged on the tunnel wall 19, and the fixing column 14 is arranged between the triangular supporting platform 15 and the tunnel wall 19; the water curtain dust collection device 9 is arranged on the support frame, a first dust concentration sensor 2 is arranged at an inlet, and second dust concentration sensors 13 are respectively arranged at outlets; the position adjusting unit is used for adjusting the position of the water curtain dust suction device 9 on the tunnel wall 19.
In the embodiment, the water curtain dust collection device 9 comprises a diverging suction port 1, a dust collection bin 3, a diversion bin 6 and a dust removal bin 7 which are sequentially arranged, all parts are hermetically connected, a backflow prevention collar 11 is arranged between the diversion bin 6 and the dust removal bin 7 so as to prevent water sprayed by a water curtain spray head in the dust removal bin from flowing to the diversion bin, and first dust concentration sensors 2 are arranged around the diverging suction port; be provided with water curtain shower nozzle 8 and second dust concentration sensor 13 in the clean dust storehouse 7 and be used for carrying out dust removal operation and dust removal effect monitoring work, second dust concentration sensor 13 sets up on tunnel wall 19 through sensor fixed connecting rod 12, is provided with turbine fixed connecting rod 10 in the dust collection storehouse 3, sets up turbine motor 5 and the turbine propeller 4 of turbine motor 5 drive on turbine fixed connecting rod 10, and turbine motor 5 drives turbine propeller 4 and takes place rotatoryly, accomplishes the dust absorption operation. When the dust concentration monitored by the first dust concentration sensor 2 is below an allowable value, the water curtain dust suction device 9 is in a standby state, and the turbine propeller 4, the water curtain nozzle 8 and each hydraulic rod do not work; when a certain first dust concentration sensor 2 monitors that the dust concentration exceeds a safety value, all parts work in a coordinated mode until the dust concentration is reduced to a value below an allowable value, a second dust concentration sensor 13 can monitor the dust concentration of the passing gas in real time, when the dust concentration exceeds the allowable value, a signal is transmitted to a water curtain spray head 8, the water curtain spray quantity of the water curtain spray head is increased, and the dust removal effect is improved until the dust concentration in the passing gas is below the allowable value.
In this embodiment, the position adjusting unit includes a transverse hydraulic rod 16, an upper hydraulic rod 17 and a lower hydraulic rod 18, the head of the water curtain dust removing device is connected with one end of the transverse hydraulic rod 16, and the other end is connected with a tunnel wall 19 through the upper hydraulic rod 17 and the lower hydraulic rod 18. The water curtain dust suction device 9 can horizontally translate through a transverse hydraulic rod 16; the transverse hydraulic rod 16 is connected with the tunnel wall 19 through an upper hydraulic rod 17 and a lower hydraulic rod 18 and can translate up and down.
In this embodiment, first dust concentration sensor 2 is laid and is followed 1 circumferencial direction equipartitions of expanding suction port, and about each one can the dust concentration in real time supervision different position to give horizontal hydraulic stem 16 and overhead hydraulic stem 17, lower hydraulic stem 18 with the signal real-time transfer, each hydraulic stem can promote the rotation of dust absorption storehouse 3 to the direction that dust concentration is high.
In the embodiment, the diversion bin 6 is made of flexible, sealed and waterproof materials, can be bent in any direction, and ensures smooth passage of internal gas; the internal surface is smooth, avoiding being detained the dust.
In the embodiment, the expanding suction port 1 extends forwards in a conical shape, so that the radiation range of dust collection can be enlarged, and the dust removal effect is improved.
Referring to fig. 7, the tunnel ventilator 21 forces fresh air into the vicinity of the tunnel face, creating a high pressure, with the air flow diverging outwardly from the tunnel face; the expansion suction port 1 forms a low air pressure under the rotation of the turbine propeller 4 to suck air into the dust cleaning bin 7; thus, the high-pressure fresh air near the tunnel face presses the dirty air in the tunnel to flow to the low-pressure suction-expanding port 1, and the air circulation in the tunnel is completed. The dirty air is liquefied into liquid after passing through the dust purification bin 7, flows to the drainage ditches 25 at the two sides and is discharged out of the hole.
The application method of the invention is as follows:
A. arranging longitudinal dust removing units 20 with different densities and powers according to the dust concentration at different parts in the tunnel;
B. each dust removal unit 20 performs standby or dust removal operation according to the dust concentration condition monitored by each first dust concentration sensor 2;
C. when the dust concentration exceeds an allowable value, the dust removal unit 20 performs dust removal operation, and the dust collection bin 3 rotates up, down, left and right under the action of the transverse hydraulic rod 16, the upper hydraulic rod 17 and the lower hydraulic rod 18, so that dust in a high-concentration area is preferentially absorbed;
D. the absorbed dust enters the dust purification bin 7 through the diversion bin 6, is liquefied into water drops under the action of the water curtain spray head 8, and finally is converged into water flow to enter the drainage ditches 25 at two sides, so that the dust is prevented from passing in the tunnel, the secondary pollution of the dust is avoided, and the requirement of environmental protection is met;
E. and repeating the steps A-D along with the continuous excavation of the tunnel face to finish the full-automatic real-time dust removal in the tunnel.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (8)
1. The utility model provides a full-automatic real-time dust fall system of tunnel construction, includes tunnel ventilator, its characterized in that: it still includes the dust removal unit, and the dust removal unit includes support frame, water curtain dust extraction (9) and position adjustment unit, wherein:
the support frame is fixedly arranged on the tunnel wall (19);
the water curtain dust collection device (9) is arranged on the support frame, a first dust concentration sensor (2) is arranged at an inlet, and second dust concentration sensors (13) are respectively arranged at outlets;
and the position adjusting unit is used for adjusting the position of the water curtain dust suction device (9) on the tunnel wall (19).
2. The full-automatic real-time dust fall system of tunnel construction of claim 1, characterized in that: the water curtain dust collection device (9) comprises a suction expanding port (1), a dust collection bin (3), a diversion bin (6) and a dust removal bin (7) which are sequentially arranged, wherein a first dust concentration sensor (2) is arranged around the suction expanding port, a water curtain spray head (8) and a second dust concentration sensor (13) are arranged in the dust removal bin (7), and a turbine fixing connecting rod (10), a turbine motor (5) arranged on the turbine fixing connecting rod (10) and a turbine rotary propeller (4) driven by the turbine motor (5) are arranged in the dust collection bin (3).
3. The full-automatic real-time dust fall system of tunnel construction of claim 1, characterized in that: the position adjusting unit comprises a transverse hydraulic rod (16), an upper hydraulic rod (17) and a lower hydraulic rod (18), the head of the water curtain dust removal device is connected with one end of the transverse hydraulic rod (16), and the other end of the water curtain dust removal device is connected with the tunnel wall (19) through the upper hydraulic rod (17) and the lower hydraulic rod (18).
4. The full-automatic real-time dust fall system of tunnel construction of claim 1, characterized in that: the first dust concentration sensors (2) are uniformly distributed along the circumferential direction of the mouthpiece (1).
5. The full-automatic real-time dust fall system of tunnel construction of claim 1, characterized in that: a backflow-preventing neck ring (11) is arranged between the diversion bin (6) and the dust cleaning bin (7).
6. The full-automatic real-time dust fall system of tunnel construction of claim 1, characterized in that: the support frame includes triangle brace table (15) and fixed column (14), and triangle brace table (15) set up on tunnel wall (19), and fixed column (14) set up between triangle brace table (15) and tunnel wall (19).
7. The full-automatic real-time dust fall system of tunnel construction according to any one of claims 1 to 6, characterized in that: the diversion bin (6) is made of flexible, sealed and waterproof materials.
8. The full-automatic real-time dust fall system of tunnel construction according to any one of claims 1 to 6, characterized in that: the mouthpiece (1) extends forward in a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274762.1U CN211692548U (en) | 2020-03-09 | 2020-03-09 | Full-automatic real-time dust fall system of tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274762.1U CN211692548U (en) | 2020-03-09 | 2020-03-09 | Full-automatic real-time dust fall system of tunnel construction |
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| Publication Number | Publication Date |
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| CN211692548U true CN211692548U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020274762.1U Active CN211692548U (en) | 2020-03-09 | 2020-03-09 | Full-automatic real-time dust fall system of tunnel construction |
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| CN (1) | CN211692548U (en) |
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