CN220434797U - Tunnel ventilation equipment capable of removing dust and reducing temperature - Google Patents
Tunnel ventilation equipment capable of removing dust and reducing temperature Download PDFInfo
- Publication number
- CN220434797U CN220434797U CN202321976170.4U CN202321976170U CN220434797U CN 220434797 U CN220434797 U CN 220434797U CN 202321976170 U CN202321976170 U CN 202321976170U CN 220434797 U CN220434797 U CN 220434797U
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- ventilation
- tunnel
- dust
- dust removal
- water
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- 238000009423 ventilation Methods 0.000 title claims abstract description 60
- 239000000428 dust Substances 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 11
- 239000003595 mist Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Ventilation (AREA)
Abstract
The utility model discloses a tunnel ventilation device capable of removing dust and reducing temperature, which relates to the technical field of tunnel construction ventilation, and particularly comprises ventilation devices and dust removal devices which are arranged in a tunnel, wherein the ventilation devices and the dust removal devices are controlled by a controller, the ventilation devices comprise ventilation pipes which are fixedly arranged at the top of the tunnel, a fan is arranged at one end of each ventilation pipe, which is far away from a tunnel face, the dust removal devices comprise dust removal water pipes which are arranged below the ventilation pipes, a plurality of sprinkling nozzles are arranged at intervals along the axis direction of the ventilation pipes, a water pump is arranged at one end of each dust removal water pipe, water can be sent into the dust removal water pipes by the water pump, and water in the dust removal water pipes is converted into water mist through the sprinkling nozzles so as to be in collision contact with dust, and the dust is forced to sink dust rapidly.
Description
Technical Field
The utility model relates to the technical field of tunnel construction ventilation, in particular to a tunnel ventilation device capable of removing dust and reducing temperature.
Background
Along with the continuous extension of high-speed and railway construction to the midwest, china is one of countries with the largest standard of rail transit infrastructure, however, mountain areas in the midwest of China are more, geological structures are intricate and complex, a great number of tunnel engineering problems are inevitably encountered, and a drilling and blasting method is a common construction method for tunnel engineering.
A large amount of dust and heat can be generated in the construction process of the drilling and blasting method, and tail gas discharged by mechanical equipment and air in a hole are poor in circulation, so that a severe dust high-temperature operation environment is formed, the conditions of hypoxia, dehydration, dizziness and the like are very easy to occur for operators, and the physical and psychological health and the construction efficiency of the operators are seriously threatened.
At present, dust removal and cooling measures such as water sprinkling, ice making and ventilation are mainly adopted in the tunnel construction process, but for an ultra-long tunnel, operators generally feel that the traditional dust removal and cooling measure effect is not obvious, and dust high-temperature environment in the tunnel still exists, so that ventilation equipment used in the tunnel construction process is required to be further optimized and perfected.
Disclosure of Invention
First, the technical problem to be solved
In order to overcome the defects of the prior art, the tunnel ventilation equipment for removing dust and reducing temperature is provided, so that the dust content in the air in a tunnel can be effectively reduced, the high-temperature environment in the tunnel construction process is improved, and a comfortable construction environment is provided for operators.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a tunnel ventilation device for removing dust and reducing temperature, which comprises ventilation equipment and dust removal equipment, wherein the ventilation equipment and the dust removal equipment are arranged in a tunnel, the ventilation equipment is controlled by a controller, the ventilation equipment comprises a ventilation pipe fixedly arranged at the top of the tunnel, a fan is arranged at one end of the ventilation pipe, which is far away from the tunnel face, the dust removal equipment comprises a dust removal water pipe arranged below the ventilation pipe, a plurality of sprinkling nozzles are arranged on the dust removal water pipe at intervals along the axis direction of the pipeline, and a water pump is arranged at one end of the dust removal water pipe.
Further, a refrigerator is arranged at the air outlet of the fan.
Further, the ventilation pipe is fixed with the top of the tunnel through a connecting rod.
Further, the end of the dust removal water pipe far away from the water pump is provided with a thermometer and a temperature sensor which are electrically connected with the controller.
Further, the distance between the water spraying nozzles is 50m.
Further, the ventilation pipe comprises a plurality of sections of pipelines, and the diameter of each section of pipeline is 1.8m, and the length of each section of pipeline is 20m.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
according to the tunnel ventilation equipment for removing dust and cooling, disclosed by the utility model, fresh air outside a tunnel can be fully utilized, the ventilation air quantity in the tunnel is improved, only a fan is required to be started during natural ventilation, other external equipment is not required, and engineering project funds can be greatly saved; on the basis of realizing natural ventilation in the hole, a refrigerator is arranged in the fan to convey cold air to the tunnel face for ventilation and cooling in the hole, and the power of the fan and the refrigerator can be adjusted according to the indication condition of a thermometer to realize accurate control of the temperature in the hole; the watering water quantity can be adjusted, when the tunnel is in blasting and excavation, the watering treatment is carried out on the tunnel, when the tunnel is in construction and maintenance, the timing spraying treatment is carried out on the tunnel, the waste of water resources can be effectively avoided, and the environment-friendly development requirement is met.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic ventilation diagram of the present utility model.
Fig. 3 is a schematic view of the sprinkler of the present utility model.
1-a ventilation device; 2-a dust removal device; 3-thermometer; 11-ventilation pipe; 12-a fan; 13-a refrigerator; 21-a dust removal water pipe; 22-sprinkler head; 23-a water pump.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The tunnel ventilation equipment for removing dust and cooling shown in fig. 1-3 comprises a fan 12, a water pump 23, a ventilation pipe 11, a dust removing water pipe 21, a refrigerator 13 and a water spraying nozzle 22, wherein the fan 12 can convey external air into the refrigerator 13, the refrigerator 13 cools the air, the air flows into a tunnel face through the ventilation pipe 11 to exchange heat with air in the tunnel and discharge dust in the tunnel to the outside of the tunnel, the water pump 23 can send water into the dust removing water pipe 21, and the water in the dust removing water pipe 21 is converted into water mist 7 through the water spraying nozzle 22 so as to make collision contact with the dust, so that the dust is forced to sink the dust quickly.
The fan 12 is arranged outside the tunnel, the refrigerator 13 is arranged at one end of the fan 12 and is connected with the ventilation pipe 11, and the upper side of the ventilation pipe 11 is fixed on an initial support in the tunnel by a connecting rod for ventilation (cool air) cooling.
The water pump 23 is installed at the downside of fan 12 and is connected with dust removal water pipe 21, and dust removal water pipe 21 upside is connected with ventilation pipe 11, and the downside equidistance interval sets up sprinkler head 22 for watering (spraying) dust removal.
The controller sets up the downside at water pump 2, and dust removal water pipe 21 end is equipped with thermometer 3, and thermometer 3 can the inside temperature in real time monitoring tunnel to feed back the temperature parameter in the hole to the controller through temperature sensor, in time control the size of controller adjustment ventilation volume and watering volume by on-the-spot operating personnel again.
The ventilation pipe 11 adopts the better metal material of heat conductivility, and ventilation pipe 11 diameter is about 1.8 meters, every 20 meters a section tuber pipes, and ventilation pipe 11 end extends to tunnel face department to reach the purpose of cooling, dust removal water pipe 21 adopts safe and environment-friendly stainless steel material, and sprinkler head 22 sets up at tunnel dust high temperature operation district, arranges a sprinkler head 22 every 50 meters in interval, thereby reaches the purpose of dust removal.
The tunnel ventilation equipment for dedusting and cooling can cope with various conditions when being specifically used, when the indication number of the thermometer 3 in the tunnel is less than 25 ℃, a field operator starts the fan 12 by using the controller, the fan 12 sucks fresh air outside the tunnel into the tunnel face, and exhaust gas and dust in the air in the tunnel are discharged outside the tunnel, so that the dedusting and cooling process of the tunnel is completed;
when the indication number of the thermometer 3 in the tunnel is larger than 25 ℃, a field operator starts the refrigerator 13 by using the controller, after the air is cooled by the refrigerator 13, cold air is input into the tunnel face 14 and exchanges heat with the air in the tunnel, so that the temperature in the tunnel is reduced;
when the tunnel is in blasting, excavation, on-site operation personnel use the controller to start the water pump 23 to set up to the watering mode through the operation controller, carry out watering treatment to tunnel excavation face immediately, with the dust content in the reduction hole, can also reduce the temperature of stone sediment simultaneously.
When the tunnel is constructed and maintained, on-site operators start the water pump 23 by using the controller, set the water pump to be in a spraying mode by operating the controller, set the sprinkling and spraying time to be 30 minutes once, and make the water mist collide with dust to contact, so that the dust is quickly settled under the action of gravity.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (6)
1. The utility model provides a tunnel ventilation equipment of dust removal cooling which characterized in that: including ventilation equipment (1) and dust collecting equipment (2) that set up in the tunnel, ventilation equipment (1), dust collecting equipment (2) are controlled through the controller, ventilation equipment (1) is including fixed ventilation pipe (11) that set up in tunnel top, the one end that tunnel face was kept away from to ventilation pipe (11) is provided with fan (12), dust collecting equipment (2) are including setting up dust removal water pipe (21) in ventilation pipe (11) below, dust removal water pipe (21) are provided with a plurality of watering shower nozzles (22) along the interval on the pipeline axis direction, the one end department of dust removal water pipe (21) is provided with water pump (23).
2. The dust-removing and cooling tunnel ventilation device according to claim 1, wherein: a refrigerator (13) is arranged at the air outlet of the fan (12).
3. The dust-removing and cooling tunnel ventilation device according to claim 1, wherein: the ventilation pipe (11) is fixed with the top of the tunnel through a connecting rod.
4. The dust-removing and cooling tunnel ventilation device according to claim 1, wherein: the end of the dust removal water pipe (21) far away from the water pump (23) is provided with a thermometer (3) and a temperature sensor which are electrically connected with the controller.
5. The dust-removing and cooling tunnel ventilation device according to claim 1, wherein: the distance between the water spraying nozzles (22) is 50m.
6. The dust-removing and cooling tunnel ventilation device according to claim 1, wherein: the ventilation pipe (11) comprises a plurality of sections of pipelines, wherein the diameter of each section of pipeline is 1.8m, and the length of each section of pipeline is 20m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976170.4U CN220434797U (en) | 2023-07-26 | 2023-07-26 | Tunnel ventilation equipment capable of removing dust and reducing temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976170.4U CN220434797U (en) | 2023-07-26 | 2023-07-26 | Tunnel ventilation equipment capable of removing dust and reducing temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434797U true CN220434797U (en) | 2024-02-02 |
Family
ID=89700313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321976170.4U Active CN220434797U (en) | 2023-07-26 | 2023-07-26 | Tunnel ventilation equipment capable of removing dust and reducing temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434797U (en) |
-
2023
- 2023-07-26 CN CN202321976170.4U patent/CN220434797U/en active Active
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