CN220081482U - Ramp ventilation unit and system - Google Patents
Ramp ventilation unit and system Download PDFInfo
- Publication number
- CN220081482U CN220081482U CN202321294021.XU CN202321294021U CN220081482U CN 220081482 U CN220081482 U CN 220081482U CN 202321294021 U CN202321294021 U CN 202321294021U CN 220081482 U CN220081482 U CN 220081482U
- Authority
- CN
- China
- Prior art keywords
- channel
- ramp
- branch
- main
- ventilation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 64
- 230000007704 transition Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 20
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 14
- 239000000779 smoke Substances 0.000 description 13
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model discloses a ramp ventilation unit and a system, wherein the ramp ventilation unit comprises a conveying channel and a ventilation channel, the conveying channel comprises a straight channel and an inclined channel, the straight channel extends along the horizontal direction, one end of the inclined channel is connected to the tail end of the straight channel, the other end of the inclined channel extends downwards in an inclined manner, the ventilation channel comprises a main channel and a branch channel, the main channel extends along the height direction, the branch channel comprises a first branch channel and a second branch channel, the straight channel is communicated with the main channel through the first branch channel, the inclined channel is communicated with the main channel through the second branch channel, a fan is arranged at the top end of the main channel, and the fan can drive wind in the main channel to flow outwards. The ramp ventilation unit can generate penetrating air flow on a single-head working surface, and rapidly improve the construction environment of ramp development, so that construction is continued, and the construction progress of ramp development is ensured.
Description
Technical Field
The utility model relates to the technical field of mining, in particular to a ramp ventilation unit and a system.
Background
In mining, a ramp is a common inclined channel for trackless equipment access, personnel material up and down, and ventilation.
In the related art, the single-head operation is usually adopted when the slope is developed, dust generated by blasting on the single-head operation surface is discharged by means of the air duct, however, as the mining depth of the mine is deepened continuously, the distance of the slope is longer and longer, and the effective air quantity in the air duct is reduced, so that the operation environment of the single-head operation surface can be improved only by long-time ventilation after blasting, the follow-up construction can be continued, and the development construction progress of the slope is slowed down.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a ramp ventilation unit which can generate penetrating air flow on a single working face to quickly improve a ramp development construction operation environment, so that construction is continued, and the construction progress of ramp development is ensured.
The utility model also provides a ramp ventilation system.
The ramp ventilation unit of an embodiment of the present utility model includes: the conveying channel comprises a straight channel and an inclined channel, the straight channel extends along the horizontal direction, one end of the inclined channel is connected to the tail end of the straight channel, and the other end of the inclined channel extends downwards in an inclined mode; the ventilation channel comprises a main channel and a branch channel, the main channel extends along the height direction, the branch channel comprises a first branch channel and a second branch channel, the straight channel is communicated with the main channel through the first branch channel, the inclined channel is communicated with the main channel through the second branch channel, a fan is arranged at the top end of the main channel, and the fan can drive wind flow in the main channel to flow outwards.
According to the ramp ventilation unit disclosed by the embodiment of the utility model, the conveying channel comprises the straight channel and the inclined channel, the straight channel extends along the horizontal direction, one end of the inclined channel is connected to the tail end of the straight channel, the other end of the inclined channel extends downwards in an inclined manner, the ventilation channel comprises the main road and the branch road, the main road extends along the height direction, the branch road comprises the first branch road and the second branch road, the straight channel is communicated with the main road through the first branch road, the inclined channel is communicated with the main road through the second branch road, the top end of the main road is provided with the fan, the fan can drive the wind flow in the main road to flow outwards, and therefore, under the suction effect of the fan, the air pressure in the main pipe is reduced, so that the ramp ventilation unit can discharge smoke flow outwards through the ventilation channel, fresh wind flow is introduced inwards through the conveying channel, air replacement in the ramp is realized, meanwhile, the single-head working face at the tail end of the inclined channel is enabled to generate through the wind flow, the construction environment is improved rapidly, the construction is performed in time, and the construction progress of the ramp development is guaranteed.
In addition, compared with the prior art, the ramp ventilation unit introduces through air flow by additionally arranging the ventilation channel, so that smoke dust generated during ramp development can be rapidly removed, constructors do not need to consider the ramp width required by wind barrel installation, namely, the ramp development width only needs to meet the requirements of personnel and equipment for walking at the moment, and the workload of ramp development is reduced.
In some embodiments, the straight channel and the angled channel communicate through a transition arc.
In some embodiments, a ladder compartment is provided within the main way.
In some embodiments, a power tube through which the cable passes is disposed in the main circuit.
In some embodiments, the fan is a variable frequency fan.
In some embodiments, the width of the conveying channel is B, then 4 m.ltoreq.B.ltoreq.5m, and the height of the conveying channel is H, then 4 m.ltoreq.H.ltoreq.5m.
In some embodiments, the cross-sectional area of the delivery channel is A and the cross-sectional area of the vent channel is B, then 0.3 A.ltoreq.B.ltoreq.0.5A.
The ramp ventilation system according to the embodiment of the present utility model includes a plurality of the ramp ventilation units according to the above embodiment, wherein the plurality of conveying channels are disposed along the height direction, and the inclined channel of the conveying channel located at the upper portion is connected to the head end of the straight channel of the conveying channel located at the lower portion, and the plurality of straight channels are correspondingly communicated with the main channel through the plurality of first branches, and the plurality of inclined channels are correspondingly communicated with the main channel through the plurality of second branches.
According to the ramp ventilation system provided by the embodiment of the utility model, the plurality of ramp ventilation units are adopted, so that the dust removal efficiency is high and stable, the working environment at the single working face can be rapidly improved, and the construction progress of ramp development is accelerated.
In some embodiments, the first branch and/or the second branch are provided with a damper that can open or close the first branch and the second branch.
Drawings
Fig. 1 is a schematic view of a ramp ventilation system according to an embodiment of the present utility model.
Reference numerals:
the air conditioner comprises a conveying channel 1, a straight channel 11, an inclined channel 12, a ventilation channel 2, a main channel 21, a branch 22, a first branch 221, a second branch 222, a fan 23, a transition arc channel 3 and a damper 4.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1, the ramp ventilation unit of the embodiment of the present utility model includes a conveyance path 1 and a ventilation path 2.
Specifically, the conveying channel 1 comprises a straight channel 11 and an inclined channel 12, the straight channel 11 extends along the horizontal direction, one end of the inclined channel 12 is connected to the tail end of the straight channel 11, the other end of the inclined channel extends downwards in an inclined mode, the ventilation channel 2 comprises a main channel 21 and a branch channel 22, the main channel 21 extends along the height direction, the branch channel 22 comprises a first branch channel 221 and a second branch channel 222, the straight channel 11 is communicated with the main channel 21 through the first branch channel 221, the inclined channel 12 is communicated with the main channel 21 through the second branch channel 222, a fan 23 is arranged at the top end of the main channel 21, and the fan 23 can drive wind in the main channel 21 to flow outwards.
It can be understood that under the suction action of the fan 23, the air pressure in the main pipe is reduced, so that the air-carried smoke dust in the straight channel 11 and the inclined channel 12 is driven to enter the main channel 21 through the first branch 221 and the second branch 222 respectively, and then is discharged outwards from the main channel 21, and meanwhile, the external fresh air flow enters from the inlet of the straight channel 11, so as to supplement the air lost in the conveying channel 1, namely, the ramp ventilation unit can discharge the smoke dust air flow outwards through the ventilation channel 2, and the fresh air flow is introduced inwards through the conveying channel 1, so that the air replacement in the ramp is realized, meanwhile, the single-head working surface at the tail end of the inclined channel 12 is also enabled to generate a through air flow, the construction environment of the ramp development is improved rapidly, the construction progress of the ramp development is guaranteed.
Compared with the prior art, the ramp ventilation unit introduces through air flow by additionally arranging the ventilation channel 2, so that smoke dust generated during ramp development is rapidly removed, and the air duct is prevented from being arranged in the conveying channel 1, therefore, constructors do not need to consider the width of the ramp required by air duct installation during ramp development, namely, the width of the ramp development only needs to meet personnel and equipment walking at the moment, the workload of ramp development is reduced, and the construction progress of ramp development is improved.
According to the ramp ventilation unit disclosed by the embodiment of the utility model, the conveying channel comprises the straight channel and the inclined channel, the straight channel extends along the horizontal direction, one end of the inclined channel is connected to the tail end of the straight channel, the other end of the inclined channel extends downwards in an inclined manner, the ventilation channel comprises the main road and the branch road, the main road extends along the height direction, the branch road comprises the first branch road and the second branch road, the straight channel is communicated with the main road through the first branch road, the inclined channel is communicated with the main road through the second branch road, the top end of the main road is provided with the fan, the fan can drive the wind flow in the main road to flow outwards, and therefore, under the suction effect of the fan, the air pressure in the main pipe is reduced, so that the ramp ventilation unit can discharge smoke flow outwards through the ventilation channel, fresh wind flow is introduced inwards through the conveying channel, air replacement in the ramp is realized, meanwhile, the single-head working face at the tail end of the inclined channel is enabled to generate through the wind flow, the construction environment is improved rapidly, the construction is performed in time, and the construction progress of the ramp development is guaranteed.
In addition, compared with the prior art, the ramp ventilation unit introduces through air flow by additionally arranging the ventilation channel, so that smoke dust generated during ramp development can be rapidly removed, constructors do not need to consider the ramp width required by wind barrel installation, namely, the ramp development width only needs to meet the requirements of personnel and equipment for walking at the moment, and the workload of ramp development is reduced.
Further, as shown in fig. 1, the straight passage 11 and the inclined passage 12 communicate through the transition arc 3.
It can be appreciated that the transition arc 3 can be used as a device turning platform to prevent devices from affecting the passage of other devices when turning.
Further, as shown in fig. 1, a ladder compartment (not shown) is provided in the main road 21.
It can be understood that when an emergency occurs in the mine, the ventilation channel 2 can be used as a safety outlet, and the ladder compartment arranged at the moment is convenient for underground operators to quickly evacuate to the ground, so that the safety of the operators is ensured.
Further, as shown in fig. 1, a power pipe (not shown) through which the cable is inserted is provided in the main path 21.
It can be understood that the main pipe extends along the height direction, and can conveniently penetrate the cable to the slope development working surface, so that a temporary power supply is provided for slope development, and the influence on the slope development construction progress caused by the fact that slope development cannot be normally performed when underground power supply cannot be supplied.
Further, as shown in fig. 1, the fan 23 is a variable frequency fan 23.
It will be appreciated that the variable frequency fan 23 has a plurality of ventilation modes, and can adapt to different wind flow conditions in the ramp ventilation unit, and improve the energy conservation of the operation of the ramp ventilation unit while ensuring the underground ventilation air volume and the wind speed.
Further, as shown in FIG. 1, the width of the conveying passage 1 is W, 4 m.ltoreq.W.ltoreq.5m, and the height of the conveying passage 1 is H, 4 m.ltoreq.H.ltoreq.5m.
The width of the conveying channel 1 should mainly satisfy the walking of personnel and the reciprocating passage of equipment, while the height of the conveying channel 1 mainly considers the height of the equipment.
Further, as shown in FIG. 1, the cross-sectional area of the conveying passage 1 is A, and the cross-sectional area of the ventilation passage 2 is B, then 0.3 A.ltoreq.B.ltoreq.0.5A.
The cross-sectional area of the ventilation channel 2 can be determined by calculating the length, the cross-sectional area and the like of the conveying channel 1, and is generally 30% -50% of the cross-sectional area of the conveying channel 1, so that the air quantity and the air speed in the ramp ventilation unit can meet the requirements.
The ramp ventilation system of the embodiment of the present utility model includes a plurality of the ramp ventilation units of the above embodiment, a plurality of the conveying passages 1 are disposed in the height direction, and the inclined passage 12 of the conveying passage 1 located at the upper portion is connected to the head end of the straight passage 11 of the conveying passage 1 located at the lower portion, the plurality of straight passages 11 are correspondingly communicated with the main passage 21 through a plurality of the first branch passages 221, and the plurality of inclined passages 12 are correspondingly communicated with the main passage 21 through a plurality of the second branch passages 222.
It can be understood that the multiple conveying channels 1 form a zigzag folded structure in the height direction, and the ventilation channel 2 communicates each straight channel 11 and each inclined channel 12 with the main channel 21 through multiple branches 22, that is, the length of the main channel 21 is correspondingly lengthened along with the deepening of the development depth of the ramp, so that smoke dust generated at the single working face can be led out of the mine in time.
According to the ramp ventilation system provided by the embodiment of the utility model, the plurality of ramp ventilation units are adopted, so that the dust removal efficiency is high and stable, the working environment at the single working face can be rapidly improved, and the construction progress of ramp development is accelerated.
Further, as shown in fig. 1, the first branch 221 and/or the second branch 222 are provided with a damper 4, and the damper 4 can open or close the first branch 221 and the second branch 222.
It can be understood that, as the development depth of the ramp increases, the smoke dust generated by the conveying channel 1 at the upper part gradually decreases, and the smoke dust is continuously generated by the conveying channel 1 at the lower part, so that the upper branch 22 can be closed by the air damper 4 according to the situation, the air quantity when the fresh air flow reaches the single-head working surface is ensured to meet the requirement, and the smoke dust can be rapidly cleared.
It should be noted that, the damper 4 may also prevent the smoke and dust airflow that is conveyed upward by the main path 21 from flowing back to the conveying channel 1, so as to realize the diversion of the fresh airflow and the smoke and dust airflow, and provide a good passing environment for the staff.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (9)
1. A ramp ventilation unit, comprising:
the conveying channel comprises a straight channel and an inclined channel, the straight channel extends along the horizontal direction, one end of the inclined channel is connected to the tail end of the straight channel, and the other end of the inclined channel extends downwards in an inclined mode;
the ventilation channel comprises a main channel and a branch channel, the main channel extends along the height direction, the branch channel comprises a first branch channel and a second branch channel, the straight channel is communicated with the main channel through the first branch channel, the inclined channel is communicated with the main channel through the second branch channel, a fan is arranged at the top end of the main channel, and the fan can drive wind flow in the main channel to flow outwards.
2. The ramp ventilation unit according to claim 1, wherein said straight passage and said inclined passage communicate through a transition arc.
3. The ramp ventilation unit according to claim 1, wherein a ladder compartment is provided within said main way.
4. The ramp ventilation unit of claim 1, characterized in that power conduits are provided in said main circuit for the passage of cables.
5. The ramp ventilation unit according to claim 1, wherein said fan is a variable frequency fan.
6. The ramp ventilation unit of claim 1, wherein the width of said transport channels is W, then 4 m.ltoreq.w.ltoreq.5m, and the height of said transport channels is H, then 4 m.ltoreq.h.ltoreq.5m.
7. The ramp ventilation unit of claim 6, wherein said transport passage has a cross-sectional area a and said ventilation passage has a cross-sectional area B, then 0.3 a.ltoreq.b.ltoreq.0.5A.
8. A ramp ventilation system, characterized by comprising a plurality of ramp ventilation units according to any one of claims 1 to 7, a plurality of said conveying passages being arranged in a height direction, and an inclined passage of said conveying passage located at an upper portion being connected to a head end of a straight passage of said conveying passage located at a lower portion, a plurality of said straight passages being correspondingly communicated with said main passage through a plurality of said first branches, a plurality of said inclined passages being correspondingly communicated with said main passage through a plurality of said second branches.
9. The ramp ventilation system according to claim 8, characterized in that said first branch and/or said second branch are provided with a damper which can open or close said first branch and said second branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321294021.XU CN220081482U (en) | 2023-05-25 | 2023-05-25 | Ramp ventilation unit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321294021.XU CN220081482U (en) | 2023-05-25 | 2023-05-25 | Ramp ventilation unit and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081482U true CN220081482U (en) | 2023-11-24 |
Family
ID=88816174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321294021.XU Active CN220081482U (en) | 2023-05-25 | 2023-05-25 | Ramp ventilation unit and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081482U (en) |
-
2023
- 2023-05-25 CN CN202321294021.XU patent/CN220081482U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966367B (en) | Roadway construction equipment and dust removing device thereof | |
| CN100595420C (en) | Pressure regulating and distributing chamber ventilation construction method inside tunnel assist drift heading hole | |
| CN203097922U (en) | Multiple-working face ventilation structure for long and large tunnel | |
| CN109139081B (en) | High-gas ultra-long tunnel construction ventilation method | |
| CN112780330A (en) | Construction ventilation method for parallel three-hole tunnel press-in type ventilation | |
| CN108301859A (en) | A kind of Large Underground water seal cave depot group push-pull type construction ventilation method and its system | |
| CN220081482U (en) | Ramp ventilation unit and system | |
| CN110318799B (en) | Ventilation method for long and large tunnel construction | |
| KR20120077932A (en) | Ventilation system for underground tunnel | |
| CN112127932B (en) | Lateral smoke exhaust auxiliary flow guide control device and method | |
| JP6495578B2 (en) | Tunnel ventilation method | |
| CN111997609A (en) | Continuous coal mining machine end slope mining ventilation dust removal system and method | |
| CN210714756U (en) | Tunnel ventilation mechanism | |
| CN112780329A (en) | Construction ventilation method for vertical shaft assisted parallel three-hole method tunnel | |
| JP6527753B2 (en) | Air supply device | |
| CN113898395A (en) | Ventilation method and ventilation system for extra-long inclined shaft of coal mine | |
| CN115653662A (en) | Ventilation system of long-distance single-head roadway | |
| CN205876375U (en) | Tunnel ventilation device | |
| CN219953407U (en) | Double-air door jet tunnel type tunnel ventilation structure | |
| JP4217958B2 (en) | Ventilation method in tunnel tunnel | |
| CN114109424A (en) | Roadway driving equipment | |
| CN217107095U (en) | Power supply and air supply system in tunnel | |
| CN215907903U (en) | Novel tunnel ventilation device | |
| CN215672318U (en) | Deep long-distance single-head tunnel tunneling relay ventilation cooling system | |
| CN217080554U (en) | Ventilation device for drainage drilling of coal mine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |