CN216691144U - Cooling and dedusting equipment for tunnel ventilation - Google Patents
Cooling and dedusting equipment for tunnel ventilation Download PDFInfo
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- CN216691144U CN216691144U CN202122797451.0U CN202122797451U CN216691144U CN 216691144 U CN216691144 U CN 216691144U CN 202122797451 U CN202122797451 U CN 202122797451U CN 216691144 U CN216691144 U CN 216691144U
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- 238000001816 cooling Methods 0.000 title claims abstract description 35
- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 93
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a cooling and dedusting device for tunnel ventilation, which comprises: the air filter device is fixedly arranged on the moving vehicle, and the cooling device is fixedly arranged on the moving vehicle; a cab is fixedly installed at the front end of the moving vehicle, and a ventilation opening is formed in the cab; the air filter device includes: the dust removal box body is fixedly arranged at the top of the moving mechanism, the filter bag device is arranged in the dust removal box body, the air inlet pipe is fixedly connected to the air inlet valve end of the dust removal box body, the air inlet pipe is fixedly connected to the exhaust valve end of the dust removal box body, the fan is fixedly communicated with the other end of the exhaust pipe, and the exhaust end is arranged at the exhaust port of the fan; the cooling device is abutted to the surface of the air inlet pipe, so that the air inlet pipe is cooled. The clean low-temperature air flow filtered by the equipment can be connected to a cab, a tunnel ventilation pipe and an equipment heat source for cooling, so that a comfortable operation environment is provided for operators, the operation efficiency is improved, and the service life of the equipment is prolonged.
Description
Technical Field
The utility model relates to a cooling and dedusting device for tunnel ventilation, which is suitable for the field of dry dedusting in a high-temperature and high-humidity tunnel environment.
Background
The tunnel interior rock temperature is high, and large-scale construction machinery power is big in addition, and the heat source is many, and some geology can appear gushing water infiltration, cause high temperature and high humidity in the tunnel, just like a "sauna room", tunnel excavation, shipment, construction process such as strut still can produce a large amount of dusts. When the humidity is high and the temperature change is slightly large, particularly when the temperature reaches below the dew point temperature, a filter bag in the dust remover is wetted, so that dust is not in a loose state any more but is adhered to the filter bag, fabric holes of the filter bag are blocked, the resistance of the filter bag rises linearly, the dust is difficult to remove, the resistance is reduced, the filter bag is damaged, and the dust remover fails; the temperature is high, and the enthusiasm of workers is influenced; the dust is large, and the physical and psychological health of constructors in the hole and the normal operation of equipment are seriously threatened. Therefore, dust collection and local environmental temperature reduction and dehumidification are needed to be carried out near the tunnel face in the tunnel, so that the quality of the working environment and the enthusiasm of operators are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the cooling and dust removing equipment for tunnel ventilation, and the clean low-temperature air flow filtered by the equipment can be connected to a cab, so that a comfortable working environment is provided for operators, and the working efficiency is improved; the filtered clean low-temperature air flow can also be connected to positions of equipment heat sources, high-precision sensors, electromagnetic valves and the like to cool various parts or components of the equipment heat sources, so that the precision is ensured, the phenomena of 'boiling' and the like caused by high temperature are avoided, and the service lives of the precision components of the equipment, the sensors, the electromagnetic valves and the like are prolonged; the clean low-temperature air flow filtered by the device can be connected into a tunnel ventilation pipeline, so that the clean air quantity of the tunnel is compensated, the power of a ventilation fan can be reduced, and the utilization rate of energy is improved.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme: a cooling and dust removing device for tunnel ventilation comprises:
the air filter device is fixedly arranged on the moving vehicle, and the cooling device is fixedly arranged on the moving vehicle;
the front end of the moving vehicle is fixedly provided with a cab, and the cab is provided with a vent;
the air filter device includes: the dust removal box body is fixedly arranged at the top of the moving mechanism, the filter bag device is arranged in the dust removal box body, the air inlet pipe is fixedly connected to the air inlet valve end of the dust removal box body, the air inlet pipe is fixedly connected to the exhaust valve end of the dust removal box body, the fan is fixedly communicated with the other end of the exhaust pipe, the exhaust end is arranged at the exhaust port of the fan, and the exhaust pipe I, the exhaust pipe II and the exhaust pipe III are fixedly connected to the exhaust end through flange assemblies respectively;
the cooling device is abutted to the surface of the air inlet pipe, so that the air inlet pipe is cooled.
In a further embodiment, the cooling device comprises: the air conditioner comprises a surface cooler sleeved on the inner surface of an air inlet pipe, a first water pipe communicated with the input end of the surface cooler, a second water pipe communicated with the output end of the surface cooler, refrigeration equipment connected to the other end of the first water pipe, and a cooling circulating device connected to the other end of the second water pipe.
In a further embodiment, the intake pipe and the dust removal box are internally provided with a plurality of groups of detection devices, and the detection devices comprise: temperature sensor, humidity transducer, pressure sensor, and dust concentration detector.
In a further embodiment, the filter bag device comprises: the dust collection box comprises a blowing valve assembly and a filter bag, wherein the blowing valve assembly is positioned above the dust collection box and connected with a compressed air pipe, the filter bag is clamped inside the dust collection box and positioned at the outlet of the blowing valve assembly, dust flow in the filter bag is compressed by high-pressure air sprayed by the blowing valve assembly under the suction effect of a fan, and dust particles in the dust flow are filtered by the filter bag to form a dust collection part below the dust collection box.
In a further embodiment, a safety valve and an air filter are arranged at the vent, and the other end of the safety valve is connected with the first exhaust pipe.
In a further embodiment, the other end of the second exhaust pipe is abutted against the outside of the equipment heat source to cool the equipment heat source; the device heat source outlet is connected with the inlet of the injection valve component through a pipeline, and the compressed dust-removing air flow provides high-temperature, low-humidity and clean high-pressure pulse air flow for the dust-removing box body through the injection valve component.
In a further embodiment, the exhaust pipe III is communicated with the tunnel ventilation pipeline, and the exhaust pipe III is a spiral telescopic pipe.
In a further embodiment, the exterior of the first exhaust pipe, the second exhaust pipe and the third exhaust pipe are sleeved with heat insulation materials.
Compared with the prior art, the utility model has the following beneficial effects:
the clean low-temperature air flow filtered by the equipment can be connected to a cab, so that a comfortable working environment is provided for operators, and the working efficiency is improved; the filtered clean low-temperature air flow can also be connected to positions of equipment heat sources, high-precision sensors, electromagnetic valves and the like to cool various parts or components of the equipment heat sources, so that the precision is ensured, the phenomena of 'boiling' and the like caused by high temperature are avoided, and the service lives of the precision components of the equipment, the sensors, the electromagnetic valves and the like are prolonged; the clean low-temperature air flow filtered by the device can be connected into a tunnel ventilation pipeline, so that the clean air quantity of the tunnel is compensated, the power of a ventilation fan can be reduced, and the utilization rate of energy is improved.
Drawings
FIG. 1 is a schematic structural diagram of a tunnel ventilation cooling and dedusting device.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a schematic working diagram of the cooling and dust removing device for tunnel ventilation according to the present invention.
Fig. 4 is a diagram of an embodiment of the present invention for cabin ventilation.
Fig. 5 is a diagram of an embodiment of the present invention for ventilating a heat source of an apparatus.
Fig. 6 is a diagram of an embodiment of the present invention for ventilation of a tunnel vent.
Fig. 7 is a multipurpose embodiment of the tunnel ventilation cooling and dust removing device.
In the figure: the dust collection and dust removal device comprises a moving vehicle 1, an air filter 2, a safety valve 3, a first exhaust pipe 4, an air inlet pipe 5, a first temperature sensor 6, a first humidity sensor 7, a first pressure sensor 8, a first dust concentration detector 9, a first water pipe 10, a second water pipe 11, a surface air cooler 12, a second temperature sensor 13, a second humidity sensor 14, a second pressure sensor 15, a dust removal box 16, a filter bag device 17, a blowing valve assembly 18, a third temperature sensor 19, a third pressure sensor 20, a third humidity sensor 21, a fifth pressure sensor 22, a second dust concentration detector 23, an exhaust end 24, a fan 25, a fourth temperature sensor 26, a fourth pressure sensor 27, a fourth humidity sensor 28, a refrigerating device 29, a cooling circulating device 30 and a second exhaust pipe 31.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 2, the present invention provides a cooling and dust removing apparatus for tunnel ventilation, comprising: the dust collection and dust removal device comprises a moving vehicle 1, an air filter 2, a safety valve 3, a first exhaust pipe 4, an air inlet pipe 5, a first temperature sensor 6, a first humidity sensor 7, a first pressure sensor 8, a first dust concentration detector 9, a first water pipe 10, a second water pipe 11, a surface air cooler 12, a second temperature sensor 13, a second humidity sensor 14, a second pressure sensor 15, a dust removal box 16, a filter bag device 17, a blowing valve assembly 18, a third temperature sensor 19, a third pressure sensor 20, a third humidity sensor 21, a fifth pressure sensor 22, a second dust concentration detector 23, an exhaust end 24, a fan 25, a fourth temperature sensor 26, a fourth pressure sensor 27, a fourth humidity sensor 28, a refrigerating device 29, a cooling circulating device 30, a second exhaust pipe 31 and a third exhaust pipe.
The air filtering device and the cooling device are fixedly arranged on the moving vehicle 1 and move in the tunnel along with the moving vehicle 1;
a cab is fixedly installed at the front end of the moving vehicle 1, and a ventilation opening is formed in the cab;
the air filter device includes: the dust removal box body 16, the filter bag device 17, the air inlet pipe 5, the air suction pipe, the fan 25, the exhaust end 24, the first exhaust pipe 4, the second exhaust pipe 31 and the third exhaust pipe.
The dust removal box body 16 is fixedly arranged at the top of the moving mechanism, the filter bag device 17 is arranged inside the dust removal box body 16, the air inlet pipe 5 is communicated with the dust removal box body 16 and is positioned at an air inlet valve end of the dust removal box body 16, the exhaust pipe is communicated with the dust removal box body 16 and is positioned at an exhaust valve end of the dust removal box body 16, the fan 25 is fixedly communicated at the other end of the exhaust pipe, the exhaust end 24 is fixedly arranged at an exhaust port of the fan 25, and the exhaust pipe I4, the exhaust pipe II 31 and the exhaust pipe III are fixedly connected to the exhaust end 24 through flange assemblies respectively; the heat sink with 5 surperficial butt of intake pipe to carry out cooling to intake pipe 5.
The heat sink includes: the air conditioner comprises a surface cooler 12 sleeved on the inner surface of the air inlet pipe 5, a first water pipe 10 communicated with the input end of the surface cooler 12, a second water pipe 11 communicated with the output end of the surface cooler 12, refrigeration equipment connected to the other end of the first water pipe 10, and a cooling circulating device 30 connected to the other end of the second water pipe 11.
The second group of detection devices comprises: the second temperature sensor 13, the second humidity sensor 14 and the second pressure sensor 15 are positioned at the connecting part of the air inlet pipe 5 and the dedusting box body 16, so that the temperature, the humidity and the air pressure of the dust flow cooled by the surface air cooler 12 are measured;
the third group of detection devices comprises: a temperature sensor III 19, a pressure sensor III 20 and a humidity sensor III 21 which are arranged at the outlet of the blowing valve assembly 18;
the fourth group of detection devices comprises: a temperature sensor IV 26, a pressure sensor IV 27 and a humidity sensor IV 28 which are fixedly arranged at the bottom of the dust removing box body 16; and a fifth group of detection devices comprising: a pressure sensor five 22 fixedly arranged at the bottom of the dust removal box body 16 and positioned below the filter bag device 17, and a dust concentration detector two 23 positioned at one side of the exhaust pipe; and the pressure sensor five 22 is used for detecting the dust collection amount below the filter bag device 17, and the dust concentration detector two 23 is used for detecting the index of the discharged dust removal airflow and simultaneously checking whether the filter bag device 17 is damaged and the sealing performance of the dust removal box body 16.
Detecting through a plurality of groups of detection equipment and calculating the difference value of each numerical value and other groups of detection equipment in real time; and the valve component is controlled to be opened and closed according to the detection value, so that the phenomenon that water drops in the dust removal box body 16 are separated out due to the fact that dust-containing air is condensed because compressed air with large low-temperature moisture content enters the dust remover and the humidity is too high is avoided, the surface of the filter bag device 17 is wetted, dust is adhered to the filter bag, fabric holes of the filter bag are blocked, and the filtering function is invalid.
The filter bag device 17 includes: a blow valve assembly 18, a filter bag.
The blowing valve component 18 is positioned above the dust removal box body 16, and the filter bag is clamped in the dust removal box body 16 and positioned at the outlet of the blowing valve component 18; the high pressure gas ejected through the blow valve assembly 18 compresses the dust flow in the filter bag, and dust particles in the dust flow are filtered by the filter bag and fall to a dust collection place below the dust collection box 16.
And a safety valve 3 and an air filter 2 are arranged at the vent, and the other end of the safety valve 3 is connected with a first exhaust pipe 4.
The other end of the exhaust pipe II 31 is abutted against an external part of an equipment heat source, an equipment heat source outlet is connected with an inlet of the blowing valve assembly 18 through a pipeline, and the compressed dust removing air flow provides high-temperature low-humidity clean high-pressure pulse air flow for the dust removing box body 16 through the blowing valve assembly 18. In the embodiment, the heat source of the equipment is the driving motor fixedly arranged on the axle, and the driving motor is easy to burn down after long-term operation in a high-temperature environment, so that a special cooling mechanism is needed for cooling the driving motor to preserve the normal operation of the driving motor. The heat source of the equipment can also comprise a high-precision sensor, an electromagnetic valve and the like.
And the third exhaust pipe is communicated with the tunnel ventilation pipeline and is a spiral telescopic pipe.
The outer parts of the first exhaust pipe 4, the second exhaust pipe 31 and the third exhaust pipe are all sleeved with heat insulation materials, and the glass wool material is adopted for heat insulation.
The working principle of the present invention is further explained with reference to fig. 4 to 6:
referring to fig. 4, an exhaust end 24 is connected to a cab through an exhaust pipe one 4, an air filter 2 is installed at an inlet of the cab, so that clean and fresh air reaching the standard is supplied to an operator, a safety valve 3 is arranged at the front end of the air filter 2 to be connected into the cab, the dust concentration is detected through detection equipment, the safety valve 3 is controlled to be opened and closed, and the cab is ventilated; referring to fig. 5, the other end of the second exhaust pipe 31 abuts against an equipment heat source, an equipment heat source outlet is connected with an inlet of the blowing valve assembly 18 through a pipeline, and the compressed dust-removing air flow provides high-temperature, low-humidity and clean high-pressure pulse air flow for the dust-removing box 16 in the air filtering device; further providing cooling gas for the equipment heat source, and reducing the energy consumption of the equipment heat source; referring to fig. 6, the third exhaust pipe is communicated with the tunnel ventilation pipeline to ventilate the tunnel ventilation pipeline; the exhaust end 24 of the device can also directly ventilate through the exhaust pipe to reduce the temperature in the tunnel, provide comfortable breathing air for personnel in the tunnel, and provide the utilization rate of dedusting gas, thereby improving the utilization rate of energy.
The clean low-temperature air flow filtered by the equipment can be connected to a cab, so that a comfortable operation environment is provided for operators, and the operation efficiency is improved; the filtered clean low-temperature air flow can also be connected to positions of equipment heat sources, high-precision sensors, electromagnetic valves and the like to cool various parts or components of the equipment heat sources, so that the precision is ensured, the phenomena of 'boiling' and the like caused by high temperature are avoided, and the service lives of the precision components of the equipment, the sensors, the electromagnetic valves and the like are prolonged; the clean low-temperature air flow filtered by the device can be connected into a tunnel ventilation pipeline to compensate the clean air quantity of the tunnel, so that the power of the ventilation fan 25 can be reduced, and the utilization rate of energy is improved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A cooling dust collecting equipment for tunnel ventilation which characterized in that includes:
the system comprises a moving vehicle, an air filtering device fixedly arranged on the moving vehicle and a cooling device fixedly arranged on the moving vehicle;
the front end of the moving vehicle is fixedly provided with a cab, and the cab is provided with a ventilation opening;
the air filter device includes: the dust removal box body is fixedly arranged at the top of the moving mechanism, the filter bag device is arranged in the dust removal box body, the air inlet pipe is fixedly connected to the air inlet valve end of the dust removal box body, the air inlet pipe is fixedly connected to the exhaust valve end of the dust removal box body, the fan is fixedly communicated with the other end of the exhaust pipe, the exhaust end is arranged at the exhaust port of the fan, and the first exhaust pipe, the second exhaust pipe and the third exhaust pipe are respectively and fixedly connected to the exhaust end through flange assemblies;
the cooling device is abutted to the surface of the air inlet pipe, so that the air inlet pipe is cooled.
2. The cooling and dust removing apparatus for tunnel ventilation according to claim 1, wherein the cooling device comprises: the air conditioner comprises a surface air cooler sleeved on the inner surface of an air inlet pipe, a first water pipe communicated with the input end of the surface air cooler, a second water pipe communicated with the output end of the surface air cooler, refrigeration equipment connected to the other end of the first water pipe, and a cooling circulating device connected to the other end of the second water pipe.
3. The cooling and dedusting device for tunnel ventilation as claimed in claim 1, wherein a plurality of groups of detection devices are arranged in the air inlet pipe and the dedusting box body, and the detection devices comprise: temperature sensor, humidity transducer, pressure sensor, and dust concentration detector.
4. The cooling and dust removing device for tunnel ventilation according to claim 1, wherein the filter bag device comprises: the dust collection box comprises a blowing valve assembly and a filter bag, wherein the blowing valve assembly is positioned above the dust collection box and connected with a compressed air pipe, the filter bag is clamped inside the dust collection box and positioned at the outlet of the blowing valve assembly, dust flow in the filter bag is compressed by high-pressure air sprayed by the blowing valve assembly under the suction effect of a fan, and dust particles in the dust flow are filtered by the filter bag to form a dust collection part below the dust collection box.
5. The temperature-reducing and dust-removing device for tunnel ventilation according to claim 1, wherein a safety valve and an air filter are arranged at the vent, and the other end of the safety valve is connected with an exhaust pipe.
6. The cooling and dust removing device for tunnel ventilation according to claim 1, wherein the other end of the second exhaust pipe is abutted against the outside of the device heat source to cool the device heat source; the device heat source outlet is connected with the inlet of the injection valve component through a pipeline, and the compressed dust removing air flow provides high-temperature, low-humidity and clean high-pressure pulse air flow for the dust removing box body through the injection valve component.
7. The cooling and dust removing device for tunnel ventilation according to claim 1, wherein the third exhaust pipe is communicated with the tunnel ventilation pipeline, and the third exhaust pipe is a spiral expansion pipe.
8. The cooling and dust removing device for tunnel ventilation according to claim 1, wherein the first exhaust pipe, the second exhaust pipe and the third exhaust pipe are sleeved with heat insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797451.0U CN216691144U (en) | 2021-11-15 | 2021-11-15 | Cooling and dedusting equipment for tunnel ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797451.0U CN216691144U (en) | 2021-11-15 | 2021-11-15 | Cooling and dedusting equipment for tunnel ventilation |
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| Publication Number | Publication Date |
|---|---|
| CN216691144U true CN216691144U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122797451.0U Active CN216691144U (en) | 2021-11-15 | 2021-11-15 | Cooling and dedusting equipment for tunnel ventilation |
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| CN (1) | CN216691144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464190A (en) * | 2021-07-02 | 2021-10-01 | 江苏徐工工程机械研究院有限公司 | Cooling device for high-ground-temperature geological tunnel |
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
-
2021
- 2021-11-15 CN CN202122797451.0U patent/CN216691144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464190A (en) * | 2021-07-02 | 2021-10-01 | 江苏徐工工程机械研究院有限公司 | Cooling device for high-ground-temperature geological tunnel |
| CN116085028A (en) * | 2023-04-13 | 2023-05-09 | 山西工程技术学院 | Tunnel ventilation control system |
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