CN220081485U - Ramp long-distance ventilation system - Google Patents
Ramp long-distance ventilation system Download PDFInfo
- Publication number
- CN220081485U CN220081485U CN202321684525.2U CN202321684525U CN220081485U CN 220081485 U CN220081485 U CN 220081485U CN 202321684525 U CN202321684525 U CN 202321684525U CN 220081485 U CN220081485 U CN 220081485U
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- Prior art keywords
- ramp
- air supply
- air
- ventilation system
- ventilation
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- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 238000005065 mining Methods 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 7
- 230000005641 tunneling Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005422 blasting Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a ramp long-distance ventilation system, which comprises a main ramp extending from the ground to an underground mining roadway, wherein an air supply air duct for supplying air to the mining roadway is arranged in the main ramp, a press-in fan is arranged at the inlet end of the air supply air duct, one side end of the mining roadway is communicated with a nearest ventilation shaft through a connecting channel, and a pull-out fan is arranged in the connecting channel. The utility model adopts the push-in one-stop ventilation, and can send fresh air to the mining tunnel driving working face only by 1 push-in fan, thereby meeting the tunnel ventilation requirement, greatly saving the energy consumption of a plurality of push-in fans in the past, reducing the number of joints of the whole air supply air duct, effectively reducing the air leakage of the air duct and improving the air quantity at the tail end of the air duct; meanwhile, ventilation time is shortened, blasting smoke is discharged in time, the adhesion amount of dust on the roadway wall is reduced, the operation environment is improved, the tunneling efficiency is improved, and safe production is promoted.
Description
Technical Field
The utility model relates to the field of ramp ventilation, in particular to a ramp long-distance ventilation system.
Background
The main ramp of the mine is used as equipment for overhauling, ventilating and transporting personnel materials to and from the ground surface of a working face of a mining tunnel, a press-in fan is mainly arranged on the ground surface to press air in an air supply air duct 4 arranged in the main ramp (as shown in figure 3), the air supply air duct 4 presses air into the working face of the mining tunnel 2 to ensure fresh air, an exhaust fan 6 is arranged at a position 15 m away from the front end of an outlet of the air supply air duct 4 of the working face to exhaust dust generated by tunneling, but the air supply system has the advantages that the distance of the main ramp is far and the resistance is large, a plurality of press-in fans are required to be arranged on the air supply air duct 4 in series, the energy consumption of the plurality of press-in fans is high, the air duct joints are more, the management workload is prolonged, and part of dust is easy to adhere to the tunnel wall for a long time because the dust cannot be discharged in time, and the working environment, the tunneling efficiency and the safety production are influenced.
Disclosure of Invention
In order to solve the problems, the utility model provides a ramp long-distance ventilation system.
The utility model is realized by the following technical scheme:
the utility model provides a ramp long distance ventilation system, includes the main ramp that extends to exploitation tunnel from ground, is provided with the air supply dryer of supplying air to exploitation tunnel in the main ramp, and the entrance point of air supply dryer is provided with the push-in fan, exploitation tunnel one side end communicates with nearest ventilation shaft through the connecting channel, is provided with the pull-out fan in the connecting channel.
Further alternatively, the air supply wind barrel is arranged in an oval shape, and the height and the width of the air supply wind barrel are 400-600mm and 900-1100mm respectively.
Further alternatively, the push-in fan and the pull-out fan are provided by an axial flow fan.
Further optionally, the air supply wind barrel is fixed at the upper part of the main ramp through a plurality of fixing clamping sleeves.
Further alternatively, the fixing sleeve comprises a fixing seat matched with the inner wall of the main ramp, the fixing seat is fixed on the inner wall of the main ramp through a plurality of anchor rods, and the outer side of the fixing seat is provided with a sleeve for sleeving the air supply air cylinder.
Further alternatively, the ferrule is provided with a ferrule secured by a bolt.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the push-in one-stop ventilation, and can send fresh air to the mining tunnel driving working face only by 1 push-in fan, thereby meeting the tunnel ventilation requirement, greatly saving the energy consumption of a plurality of push-in fans in the past, reducing the number of joints of the whole air supply air duct, effectively reducing the air leakage of the air duct and improving the air quantity at the tail end of the air duct; meanwhile, ventilation time is shortened, blasting smoke is discharged in time, the adhesion amount of dust on the roadway wall is reduced, the operation environment is improved, the tunneling efficiency is improved, and safe production is promoted.
Drawings
FIG. 1 is a diagram of a structural arrangement of the present utility model;
FIG. 2 is a cross-sectional view of the main ramp of FIG. 1;
FIG. 3 is a schematic view of a prior art construction of the present utility model;
in the figure: the main ramp 1, the exploitation roadway 2, the ventilation shaft 3, the air supply dryer 4, the press-in fan 5, the exhaust fan 6, the connecting channel 7, the extraction fan 8, the fixing seat 9, the clamping sleeve 10 and the anchor rod 11.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1, the ramp long-distance ventilation system comprises a main ramp 1 extending from the ground to an underground mining roadway 2, wherein an air supply air duct 4 for supplying air to the mining roadway 2 is arranged in the main ramp 1, the air supply air duct 4 is formed by connecting high-strength flame-retardant air ducts with the length of 50-100 m per section, a press-in fan 5 is arranged at the inlet end of the air supply air duct 4, one side end of the mining roadway 2 is communicated with the nearest ventilating shaft 3 through a connecting channel 7, and a pull-out fan 8 is arranged in the connecting channel 7.
As shown in figure 2, the air supply air duct 4 is arranged in an oval shape, the height and the width of the air supply air duct are respectively 400-600mm and 900-1100mm, and the occupation of the space of the main ramp 1 is reduced to the greatest extent under the condition of ensuring the ventilation quantity of the air supply air duct.
The push-in type fan 5 and the pull-out type fan 8 are arranged by adopting axial flow fans.
As shown in fig. 2, the air supply duct 4 is fixed to the upper portion of the main ramp 1 by a plurality of fixing clips. The fixed cutting ferrule includes the fixing base 9 that matches with main ramp 1 inner wall, and fixing base 9 passes through a plurality of stock 11 to be fixed on main ramp 1 inner wall, and fixing base 9 outside is provided with the cutting ferrule 10 that is used for cup jointing on air supply dryer 4.
The ferrule 10 is provided with a ferrule fixed by a bolt.
The implementation principle of the ramp long-distance ventilation system provided by the embodiment of the utility model is as follows:
when working of the mining tunnel 2 is ventilated, a push-in fan 5 at the wellhead of the main ramp 1 is started, the push-in fan 5 conveys air into a working surface of the mining tunnel 2 along a ventilation air drum 4, meanwhile, a pull-out fan 8 in a connecting channel 7 is started, the pull-out fan 8 generates negative pressure on the working surface of the mining tunnel 2, dust generated by tunneling of the working surface is discharged into a ventilation shaft 3, and ventilation of the mining tunnel 2 is integrally realized;
the main ramp 1, the mining tunnel 2, the connecting channel 7 and the ventilation shaft 3 form a smooth annular ventilation flow channel, the air supply resistance is greatly reduced, in addition, the push-in fans 5 at the wellhead of the main ramp 1 and the pull-out fans 8 in the connecting channel 7 supply air in relay and exhaust, only 1 push-in fan 5 is needed and fresh air can be supplied to the working surface of the mining tunnel 2, the ventilation requirement of the mining tunnel 2 is met, the energy consumption of a plurality of push-in fans 5 in the past is greatly saved, the number of joints of the whole air supply air duct 4 is reduced, the air leakage of the air duct can be effectively reduced, and the air quantity at the tail end of the air duct is improved; the number of the air duct connectors is small, so that the friction resistance generated by the air duct connectors can be effectively reduced, and the resistance of the whole air duct is reduced; meanwhile, ventilation time is shortened, blasting smoke is discharged in time, the adhesion amount of dust on the roadway wall is reduced, the operation environment is improved, the tunneling efficiency is improved, and safe production is promoted.
The air supply dryer 4 adopts the oval setting that matches with main ramp 1 shape, under the circumstances of guaranteeing its ventilation, the biggest present to having reduced the air supply dryer 4 to the occupation of main ramp 1 interior space, guarantees its and equipment transportation in the main ramp 1 to the requirement of space, and the fixing base 9 of air supply dryer 4 through fixed cutting ferrule and a plurality of stock 11 are fixed at main ramp 1, and its fixed quality is more reliable, improves the suspended quality of dryer.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a ramp long distance ventilation system, includes main ramp (1) that extend from ground to underground mining tunnel (2), is provided with in main ramp (1) to air supply dryer (4) of mining tunnel (2) air supply, its characterized in that: the inlet end of the air supply wind barrel (4) is provided with a push-in type fan (5), one side end of the mining roadway (2) is communicated with the nearest ventilation shaft (3) through a connecting channel (7), and a pull-out type fan (8) is arranged in the connecting channel (7).
2. A ramp long distance ventilation system in accordance with claim 1, wherein: the air supply wind barrel (4) is arranged in an oval shape, and the height and the width of the air supply wind barrel are 400-600mm and 900-1100mm respectively.
3. A ramp long distance ventilation system in accordance with claim 1, wherein: the press-in type fan (5) and the extraction type fan (8) are arranged by adopting axial flow fans.
4. A ramp long distance ventilation system in accordance with claim 2, wherein: the air supply wind barrel (4) is fixed on the upper part of the main ramp (1) through a plurality of fixing clamping sleeves.
5. A ramp long distance ventilation system in accordance with claim 4, wherein: the fixing clamp sleeve comprises a fixing seat (9) matched with the inner wall of the main ramp (1), the fixing seat (9) is fixed on the inner wall of the main ramp (1) through a plurality of anchor rods (11), and a clamp sleeve (10) sleeved on the air supply air cylinder (4) is arranged on the outer side of the fixing seat (9).
6. A ramp long distance ventilation system in accordance with claim 5, wherein: the clamping sleeve (10) is arranged by a hoop fixed through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684525.2U CN220081485U (en) | 2023-06-30 | 2023-06-30 | Ramp long-distance ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321684525.2U CN220081485U (en) | 2023-06-30 | 2023-06-30 | Ramp long-distance ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081485U true CN220081485U (en) | 2023-11-24 |
Family
ID=88818303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321684525.2U Active CN220081485U (en) | 2023-06-30 | 2023-06-30 | Ramp long-distance ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081485U (en) |
-
2023
- 2023-06-30 CN CN202321684525.2U patent/CN220081485U/en active Active
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