CN111188644A - Multi-ventilation system of underground fan room - Google Patents
Multi-ventilation system of underground fan room Download PDFInfo
- Publication number
- CN111188644A CN111188644A CN202010111998.8A CN202010111998A CN111188644A CN 111188644 A CN111188644 A CN 111188644A CN 202010111998 A CN202010111998 A CN 202010111998A CN 111188644 A CN111188644 A CN 111188644A
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- air
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- fan room
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- 238000009423 ventilation Methods 0.000 title claims abstract description 75
- 239000000779 smoke Substances 0.000 claims abstract description 61
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005399 mechanical ventilation Methods 0.000 description 4
- 230000003584 silencer Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Abstract
The invention discloses a multi-element ventilation system of an underground fan room, which comprises a main tunnel, a fan room and a ventilation shaft, wherein a tunnel exhaust fan and a tunnel air supply fan are arranged in the fan room, the main tunnel is communicated with the fan room through an exhaust communication air channel I and an air supply communication air channel II, and the fan room is communicated with the ventilation shaft through an exhaust communication air channel II and an air supply communication air channel I; the air exhaust connecting air channel I and the air exhaust connecting air channel II are positioned on the same smoke/air flow channel; the air supply connecting air channel I and the air supply connecting air channel II are positioned on the same smoke/air flow channel; the tunnel exhaust fan is positioned on the smoke/gas flow channel between the exhaust connecting air channel I and the exhaust connecting air channel II; the tunnel air supply fan is positioned on the smoke/air flow channel between the air supply connecting air channel I and the air supply connecting air channel II. The invention can fully utilize the effect of the smooth flowing dehumidification of natural wind to dehumidify the underground fan room, thereby saving the purchase, operation and maintenance costs of dehumidification equipment.
Description
Technical Field
The invention relates to the technical field of tunnel ventilation, in particular to a multielement ventilation system of an underground fan room.
Background
With the development of the ventilation technology of the highway tunnel, the ventilation shaft subsection ventilation mode becomes the mainstream ventilation mode of the highway tunnel with the length of more than 5km, and is limited by external environmental conditions and management factors, more and more ventilation shafts of the super-long tunnel adopt an underground fan room, and the underground fan room is a closed space, so that ventilation and moisture prevention are needed for ensuring the internal air environment.
Some ventilation systems of the underground fan rooms of the expressway tunnels are designed by referring to the arrangement of a ventilation and air conditioning system of a civil building, the system adopts an independent air supply system and an independent air exhaust system, fresh air of an air supply connection air channel is sent into the fan rooms through fans, polluted air of the fan rooms is exhausted into an air exhaust connection air channel through the fans, the purpose of ventilation is achieved, and the system arrangement is complex; meanwhile, as the underground fan room is isolated from the outside atmosphere, when the humidity is high, a facility dehumidification system is needed, and the equipment investment is high; the underground fan room continuous uninterrupted ventilation system and the dehumidification system generate a large amount of energy consumption, and the annual energy consumption is about 22 ten thousand yuan based on the ventilation and dehumidification power of about 50kW of a single fan room.
Because the height difference of the ventilation shaft opening of the highway tunnel is large, and the natural wind of the ventilation shaft caused by the ultra-static pressure difference, the external natural wind and the temperature difference is often very large, the system arrangement that the energy-saving air duct is arranged and the natural wind is fully utilized by the ventilation of the main tunnel is proposed, but the ventilation technology that how to effectively utilize the natural wind for energy saving by the ventilation of the fan room is not proposed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the conventional ventilation and dehumidification system for the tunnel underground fan room is complex in structure and high in energy consumption, and the invention provides the multielement ventilation system for the underground fan room, which solves the problems.
The invention is realized by the following technical scheme:
a multi-ventilation system of an underground fan room comprises a main tunnel, a fan room and a ventilation shaft, wherein a tunnel exhaust fan and a tunnel air supply fan are arranged in the fan room, the main tunnel is communicated with the fan room through an exhaust communication air channel I and an air supply communication air channel II, and the fan room is communicated with the ventilation shaft through an exhaust communication air channel II and an air supply communication air channel I; the exhaust air connecting duct I and the exhaust air connecting duct II are positioned on the same smoke/air flow duct; the air supply connecting air channel I and the air supply connecting air channel II are positioned on the same smoke/air flow channel; the tunnel exhaust fan is positioned on the smoke/gas flow channel between the exhaust connecting air channel I and the exhaust connecting air channel II; the tunnel air supply fan is positioned on the smoke/air flow channel between the air supply connecting air channel I and the air supply connecting air channel II.
The multielement ventilation system of the underground fan room provided by the invention fully utilizes the characteristics that the peak traffic action time of a highway tunnel is short and the air supply fan and the air exhaust fan of the main tunnel are seldom opened, sequentially communicates the ventilator, the fan room and the main tunnel through the communication of the communication air channel, dehumidifies the underground fan room through the smooth flowing dehumidification action of natural air, and saves the purchase, operation and maintenance costs of dehumidification equipment.
The invention overcomes the complex system arrangement that the traditional fan room adopts an independent air supply system to supply air and an independent air exhaust system to exhaust air, and solves the damp-proof problem of the underground fan room by means of long-time through natural ventilation flow. The invention has the characteristics of investment saving, energy consumption saving and simple maintenance, can adapt to the change of the ventilation mode of the main tunnel, and meets the fire-fighting and smoke-discharging requirements of the underground fan room.
Furthermore, an air valve I, an air valve II, an air valve III and an air valve IV are correspondingly arranged on the wall body between the fan room and the four of the air exhaust connecting air channel I, the air exhaust connecting air channel II, the air supply connecting air channel I and the air supply connecting air channel II respectively.
Furthermore, the tunnel exhaust fan and the tunnel air supply fan are two or more than two; on the radial section of the smoke/air flow channel, the air valve I and the air valve II are positioned between two or more tunnel exhaust fans; and on the radial section of the smoke/gas flow channel, the air valve III and the air valve IV are positioned between two or more tunnel air supply fans.
Furthermore, the air conditioner also comprises a fan room exhaust fan and a fan room inlet fan; the fan room exhaust fan is used for exhausting dirty air in the fan room into the air exhaust communicating air duct I or the air exhaust communicating air duct II; and the fan inlet fan of the fan room is used for sending fresh air in the air supply connecting air channel I or the air supply connecting air channel II into the fan room.
Furthermore, the fan room exhaust fan is arranged on a negative pressure side wall of the tunnel exhaust fan and is positioned on a wall of the exhaust connecting air duct I and the fan room; the blowing direction of an exhaust fan of the fan room is towards an exhaust connection air channel I; the fan room air inlet fan is arranged on the positive pressure side wall of the tunnel air supply fan and is positioned on the wall of the air supply connecting air channel II and the fan room; the blowing direction of the fan inlet of the fan room faces the air supply connection air channel I.
Further, the system also comprises a fan room smoke exhaust fan I and a fan room smoke exhaust fan II; the fan room smoke exhaust fan I is used for exhausting smoke in the fan room into the air exhaust communicating air duct II; and the fan room smoke exhaust fan II is used for exhausting smoke in the fan room into the air supply connecting air channel I.
Furthermore, the fan room smoke exhaust fan I and/or the fan room smoke exhaust fan II are/is positioned on a wall body close to one side of the ventilating shaft in the fan room.
Furthermore, a partition wall body is arranged in the ventilation shaft; an air exhaust channel and an air supply channel are respectively arranged on two sides of the partition wall body in the ventilation shaft, the air exhaust channel is communicated with an air exhaust connecting air channel II, and the air supply channel is communicated with an air supply connecting air channel I.
The invention has the following advantages and beneficial effects:
1. the multielement ventilation system of the underground fan room provided by the invention can open the air valve during the natural ventilation of the tunnel at a small traffic volume, and realizes the energy-saving ventilation of the underground fan room by taking natural wind as power.
2. According to the multielement ventilation system for the underground fan room, provided by the invention, during mechanical ventilation of peak traffic in a tunnel, the exhaust fan and the air inlet fan are used as ventilation power, so that ventilation of the fan room is realized, and the arrangement of the ventilation system of the underground fan room is simplified.
3. The invention provides a multi-element ventilation system of an underground fan room, which takes a fan room smoke exhaust fan as power to realize fire smoke exhaust of the fan room during a fire.
4. The multielement ventilation system of the underground fan room provided by the invention fully utilizes the characteristics that the peak traffic volume action time of a highway tunnel is short and the air supply fan and the air exhaust fan of a main tunnel are seldom opened, opens the air valve, dehumidifies the underground fan room by the effect of smooth flowing dehumidification of natural air, and saves the purchase, operation and maintenance costs of dehumidification equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a multiple ventilation system of an underground wind turbine room according to the present invention;
FIG. 2 is a sectional view taken along line A-A;
FIG. 3 is a sectional view taken along line B-B;
FIG. 4 is a fan room natural draft flow diagram (natural wind flows in from the ventilation shaft);
FIG. 5 is a fan room natural draft flow diagram (natural wind flows out of the ventilation shaft);
FIG. 6 is a fan house mechanical draft flow diagram;
fig. 7 is a flow chart of the fan room machine for fire smoke discharge of the fan room.
Reference numbers and corresponding part names in the drawings: 1-main tunnel, 2-exhaust connecting air flue I, 3-exhaust connecting air flue II, 4-supply connecting air flue I, 5-supply connecting air flue II, 6-fan room, 7-ventilating shaft, 8-tunnel exhaust fan, 9-tunnel supply fan, 10-fan room exhaust fan, 11-fan room intake fan, 12-air valve I, 13-air valve II, 14-air valve III, 15-air valve IV, 16-fan room exhaust fan I, 17-fan room exhaust fan II, 18-partition wall body, 19-main tunnel exhaust fan silencer I, 20-main tunnel exhaust fan silencer II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a multi-ventilation system of an underground fan room, which comprises a main tunnel 1, a fan room 6 and a ventilation shaft 7, wherein a tunnel exhaust fan 8 and a tunnel air supply fan 9 are arranged in the fan room 6, the main tunnel 1 is communicated with the fan room 6 through an exhaust communication air duct I2 and an air supply communication air duct II5, and the fan room 6 is communicated with the ventilation shaft 7 through an exhaust communication air duct II3 and an air supply communication air duct I4; the exhaust air connecting duct I2 and the exhaust air connecting duct II3 are positioned on the same flue/gas flow duct; the air supply connecting air channel I4 and the air supply connecting air channel II5 are positioned on the same smoke/air flow channel. The tunnel exhaust fan 8 is positioned on the smoke/air flow channel between the exhaust communicating air channel I2 and the exhaust communicating air channel II 3; the tunnel air supply fan 9 is positioned on the smoke/air flow channel between the air supply connecting air channel I4 and the air supply connecting air channel II 5.
And an air valve I12, an air valve II13, an air valve III14 and an air valve IV 15 are respectively and correspondingly arranged on the wall body between the fan room 6 and the four of the exhaust connecting air passage I2, the exhaust connecting air passage II3, the air supply connecting air passage I4 and the air supply connecting air passage II 5. The tunnel exhaust fan 8 and the tunnel air supply fan 9 are two or more than two; on the radial section of the smoke/air flow channel, an air valve I12 and an air valve II13 are positioned between two or more tunnel exhaust fans 8; in the radial section of the flue gas/gas flow channel, the air valve III14 and the air valve IV 15 are positioned between two or more tunnel air supply fans 9.
In order to ensure that the air valves (the air valve I12, the air valve II13, the air valve III14 and the air valve IV 15) have enough over-air sections, the heights of the air valves (the air valve I12, the air valve II13, the air valve III14 and the air valve IV 15) are preferably consistent with the heights of the main tunnel exhaust fan silencer I19 and the main tunnel supply fan silencer II 20.
Example 2
The improved fan is further improved on the basis of the embodiment 1, and further comprises a fan room exhaust fan 10 and a fan room inlet fan 11; the fan room exhaust fan 10 is used for exhausting dirty air in the fan room 6 into an exhaust communicating air duct I2 or an exhaust communicating air duct II 3; the fan room air inlet fan 11 is used for sending fresh air in the air supply connecting air channel I4 or the air supply connecting air channel II5 into the fan room 6. The fan room exhaust fan 10 is arranged on the negative pressure side wall of the tunnel exhaust fan 8 and is positioned on the wall between the exhaust connecting air duct I2 and the fan room 6; the air blowing direction of the exhaust fan 10 of the fan room faces the exhaust air communicating air duct I2; the fan room air inlet fan 11 is arranged on the positive pressure side wall of the tunnel air supply fan 9 and is positioned on the wall between the air supply connecting air duct II5 and the fan room 6; the fan room air inlet fan 11 blows air toward the air supply connection duct I4.
The air demand calculation of the underground fan room 6 is carried out according to the ventilation frequency, the air demand calculation needs to meet the requirements of exhausting waste heat in the fan room 6, diluting the concentration of harmful gas and ensuring that the air environment quality in the room meets the comfort requirements of personnel and the requirements of normal operation of various devices. Calculating air volume according to ventilation frequency, and carrying out model selection on a fan room exhaust fan 10 and a fan room inlet fan 11; by optimally designing the installation positions of the fan room exhaust fan 10 and the fan room supply fan 11, the working efficiency of the room exhaust fan 10 and the fan room supply fan 11 of the fan can be effectively improved.
Example 3
The device is further improved on the basis of the embodiment 2, and further comprises a fan room smoke exhaust fan I16 and a fan room smoke exhaust fan II 17; the fan room smoke exhaust fan I16 is used for exhausting smoke in the fan room 6 into an exhaust communication air duct II 3; and the fan room smoke exhaust fan II17 is used for exhausting smoke in the fan room 6 into the air supply connecting air duct I4. The fan room smoke exhaust fan I16 and/or the fan room smoke exhaust fan II17 are/is positioned on the wall body of the fan room 6 close to the ventilation shaft 7 side.
According to the possible fire combustion power of the underground fan room 6, the smoke output is calculated, the smoke discharge amount of the underground fan room smoke discharge fan is determined, and the fan room smoke discharge fan I16 and the fan room smoke discharge fan II17 are selected.
In order to enable the fire smoke flow discharged from the underground fan room 6 not to influence the traveling of the main tunnel 1, the fire smoke flow is discharged to an exhaust communication air passage II3 and an air supply communication air passage I4 on one side of a ventilating shaft 7 and is discharged through the ventilating shaft 7, a fan room smoke exhaust fan I16 and a fan room smoke exhaust fan II17 need to be installed on a wall body of the fan room 6 close to the ventilating shaft 7, namely the fan room smoke exhaust fan I16 is installed on the upper portion of the wall body between the fan room 6 and the exhaust communication air passage II3, and the fan room smoke exhaust fan II17 is installed on the upper portion of the wall body between the air supply communication air passages I4.
Example 4
On the basis of the embodiment 3, a partition wall 18 is arranged in the ventilation shaft 7; an exhaust channel and an air supply channel are respectively arranged on two sides of a partition wall 18 in the ventilation shaft 7, the exhaust channel is communicated with an exhaust connecting air channel II3, and the air supply channel is communicated with an air supply connecting air channel I4.
Example 5
Based on the working principle of the multielement ventilation system of the underground fan room provided by the embodiment 4:
1. when the traffic volume is less in the tunnel, main tunnel and underground fan room adopt the natural draft scheme:
and closing the main tunnel exhaust fan 8 and the main tunnel air supply fan 9, and opening an air valve I12, an air valve II13, an air valve III14 and an air valve IV 15. When the wind current flows in from the ventilation shaft 7, there are two flowing directions of the natural wind, as shown in fig. 4:
the first is: the air supply channel of the ventilation shaft 7 → the air supply connecting air channel I4 → the air valve III14 → the fan room 6 → the air valve IV 15 → the air supply connecting air channel II5 → the main tunnel 1;
the second one is: the ventilating shaft 7 is in an air exhaust channel → the air exhaust communicating channel II3 → the air valve II13 → the fan room 6 → the air valve I12 → the air supply communicating channel I2 → the main tunnel 1;
when the wind current flows out of the ventilation shaft 7, two directions of the natural wind are opposite to the above, as shown in fig. 5.
2. When the traffic volume is great, the pollution is serious in the tunnel, main tunnel and underground fan room adopt mechanical ventilation scheme:
starting a tunnel exhaust fan 8 and a tunnel air supply fan 9, and mechanically ventilating the main tunnel 1; and (3) closing the air valve I12, the air valve II13, the air valve III14 and the air valve IV 15, opening the air inlet fan 11 and the air exhaust fan 10 of the underground fan room, and adopting a mechanical ventilation scheme for the underground fan room 6.
The mechanical ventilation flow direction of the fan room 6 is ventilation shaft 7 air supply channel → air supply connecting channel I4 → tunnel air supply fan 9 → air supply connecting channel II5 → fan room air supply fan 11 → fan room 6 → fan room exhaust fan 10 → exhaust connecting channel I2 → tunnel exhaust fan 8 → exhaust connecting channel II3 → ventilation shaft 7 exhaust channel, as shown in fig. 6.
3. When a fire disaster occurs in the fan room 6:
the tunnel exhaust fan 8 and the tunnel air supply fan 9 are closed, the air valves I12, II13, III14 and IV 15 are closed, the underground fan room air inlet fan 11 and the fan room exhaust fan 10 are closed, the fan room smoke exhaust fan I16 and the fan room smoke exhaust fan II17 are opened, and two fire smoke flow directions in the underground fan room 6 are provided:
the first is: the underground fan room 6 → the fan room smoke exhausting fan II17 → the air supply communication air duct I4 → the ventilation shaft 7 air supply channel;
the second one is: underground fan room 6 → fan room smoke exhausting fan I16 → air exhausting communication air duct II3 → ventilation shaft 7 air exhausting channel, as shown in figure 7.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A multi-ventilation system of an underground fan room comprises a main tunnel (1), a fan room (6) and a ventilation shaft (7), wherein a tunnel exhaust fan (8) and a tunnel air supply fan (9) are arranged in the fan room (6), and the multi-ventilation system is characterized in that the main tunnel (1) is communicated with the fan room (6) through an exhaust communication air channel I (2) and an air supply communication air channel II (5), and the fan room (6) is communicated with the ventilation shaft (7) through an exhaust communication air channel II (3) and an air supply communication air channel I (4);
the air exhaust connecting air channel I (2) and the air exhaust connecting air channel II (3) are positioned on the same smoke/air flow channel; the air supply connecting air channel I (4) and the air supply connecting air channel II (5) are positioned on the same smoke/air flow channel;
the tunnel exhaust fan (8) is positioned on the smoke/gas flow channel between the exhaust connecting air channel I (2) and the exhaust connecting air channel II (3); the tunnel air supply fan (9) is positioned on the smoke/air flow channel between the air supply connecting air channel I (4) and the air supply connecting air channel II (5).
2. The multiple ventilation system of underground fan room according to claim 1, wherein the wall between the fan room (6) and the exhaust air connecting duct I (2), the exhaust air connecting duct II (3), the supply air connecting duct I (4) and the supply air connecting duct II (5) is provided with an air valve I (12), an air valve II (13), an air valve III (14) and an air valve iv (15) respectively.
3. The multielement ventilation system of an underground fan room according to claim 1, characterized in that the tunnel exhaust fans (8) and the tunnel air supply fans (9) are two or more; on the radial section of the smoke/gas flow channel, the air valve I (12) and the air valve II (13) are positioned between two or more tunnel exhaust fans (8); and on the radial section of the smoke/gas flow channel, the air valve III (14) and the air valve IV (15) are positioned between two or more tunnel air supply fans (9).
4. An underground fan room multi-ventilation system according to claim 1, further comprising a fan room exhaust fan (10) and a fan room inlet fan (11); the fan room exhaust fan (10) is used for exhausting dirty air in the fan room (6) into the exhaust air connecting air channel I (2) or the exhaust air connecting air channel II (3); the fan room air inlet fan (11) is used for sending fresh air in the air supply connecting air channel I (4) or the air supply connecting air channel II (5) into the fan room (6).
5. The multielement ventilation system of the underground fan room as claimed in claim 4, wherein the fan room exhaust fan (10) is arranged on the negative pressure side wall of the tunnel exhaust fan (8) and is positioned on the wall between the exhaust communication air duct I (2) and the fan room (6); the blowing direction of the exhaust fan (10) of the fan room is towards the exhaust connection air channel I (2);
the fan room air inlet fan (11) is arranged on a positive pressure side wall body of the tunnel air supply fan (9) and is positioned on a wall body between the air supply connecting air channel II (5) and the fan room (6); the air blowing direction of the fan inlet (11) of the fan room is towards the air supply connection air channel I (4).
6. The multielement ventilation system of an underground fan room as claimed in claim 1, further comprising a fan room smoke exhaust fan I (16) and a fan room smoke exhaust fan II (17); the fan room smoke exhaust fan I (16) is used for exhausting smoke in the fan room (6) into the exhaust communication air duct II (3); and the fan room smoke exhaust fan II (17) is used for exhausting smoke in the fan room (6) into the air supply connecting air channel I (4).
7. An underground fan room multi-ventilation system according to claim 6, characterized in that the fan room exhaust fans I (16) and/or II (17) are located on the wall of the fan room (6) on the side of the ventilation shaft (7).
8. A multi-ventilation system for an underground fan room according to any one of claims 1 to 7, characterized in that a partition wall (18) is arranged in the ventilation shaft (7); an exhaust channel and an air supply channel are respectively arranged on two sides of a partition wall body (18) in the ventilation shaft (7), the exhaust channel is communicated with an exhaust connection air channel II (3), and the air supply channel is communicated with an air supply connection air channel I (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111998.8A CN111188644A (en) | 2020-02-24 | 2020-02-24 | Multi-ventilation system of underground fan room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111998.8A CN111188644A (en) | 2020-02-24 | 2020-02-24 | Multi-ventilation system of underground fan room |
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| Publication Number | Publication Date |
|---|---|
| CN111188644A true CN111188644A (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010111998.8A Pending CN111188644A (en) | 2020-02-24 | 2020-02-24 | Multi-ventilation system of underground fan room |
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| CN (1) | CN111188644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203149A (en) * | 2021-05-17 | 2021-08-03 | 中冶赛迪工程技术股份有限公司 | Pipe gallery ventilation system and method |
| CN113586123A (en) * | 2021-09-07 | 2021-11-02 | 中国矿业大学(北京) | Adjustable intelligent row-feeding type ventilation system for double-line tunnel |
-
2020
- 2020-02-24 CN CN202010111998.8A patent/CN111188644A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203149A (en) * | 2021-05-17 | 2021-08-03 | 中冶赛迪工程技术股份有限公司 | Pipe gallery ventilation system and method |
| CN113586123A (en) * | 2021-09-07 | 2021-11-02 | 中国矿业大学(北京) | Adjustable intelligent row-feeding type ventilation system for double-line tunnel |
| CN113586123B (en) * | 2021-09-07 | 2022-02-18 | 中国矿业大学(北京) | Adjustable intelligent row-feeding type ventilation system for double-line tunnel |
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