CN113586146A - Gas pressure protection device, ventilation deodorization system and deep drainage tunnel - Google Patents
Gas pressure protection device, ventilation deodorization system and deep drainage tunnel Download PDFInfo
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- CN113586146A CN113586146A CN202110897312.7A CN202110897312A CN113586146A CN 113586146 A CN113586146 A CN 113586146A CN 202110897312 A CN202110897312 A CN 202110897312A CN 113586146 A CN113586146 A CN 113586146A
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- 238000004332 deodorization Methods 0.000 title claims abstract description 37
- 238000009423 ventilation Methods 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 199
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000005406 washing Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 6
- 230000001877 deodorizing effect Effects 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims 4
- 238000005201 scrubbing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Gas Separation By Absorption (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a gas pressure protection device, a ventilation and deodorization system and a deep drainage tunnel. The gas pressure protection device comprises a liquid seal chamber, the liquid seal chamber comprises a liquid seal area and a gas washing and pressure releasing area, the liquid seal area comprises a first gas part and a first liquid part which are arranged up and down, the gas washing and pressure releasing area comprises a second gas part and a second liquid part which are arranged up and down, and the first liquid part and the second liquid part are used for containing liquid seal media; the first liquid part is communicated with the second liquid part, the first gas part is communicated with an air outlet channel of the ventilation and deodorization system, and the second gas part is communicated with the outside atmosphere. The gas pressure protection device can ensure that the gas pressure in the air outlet channel is in a safe pressure range, simultaneously plays a role in water washing, and reduces the odor concentration of dissipated gas.
Description
Technical Field
The invention relates to the field of ventilation and deodorization of deep drainage storage tunnels, in particular to a gas pressure protection device, a ventilation and deodorization system and a deep drainage tunnel.
Background
The large deep drainage regulation tunnel becomes the management of waterlogging in big cities, the control of initial rainwater pollution and the overflow control of interflow sewageThe success of the preparation is exemplified and developed. With the improvement of quality of life, the public has raised higher requirements on the control of the foul smell of the drainage facilities. For large deep drainage storage regulating tunnel, the inflow contains a large amount of rainwater, the flow rate is far larger than that of a common sewage plant and a pump station, and the flow rate can reach 50m3More than the/s to there is fluctuation by a wide margin, the in-process extrusion tunnel of intaking gas outgoing, and gas emission changes along with the inflow, and regulation tunnel is equipped with a plurality of shafts of intaking usually simultaneously, and there is certain slope in the tunnel, and there are multiple operating mode of intaking in the shaft of intaking of upper and lower trip, and it is great to cause the influence change to gas emission in the tunnel, makes the interior gas pressure of exhaust gas fluctuation by a wide margin the condition thereupon in the tunnel, can cause harm and influence to deodorizing system.
Disclosure of Invention
The invention aims to overcome the defect that the deodorization system is easily damaged by the pressure fluctuation of the exhaust gas in the tunnel in the prior art, and provides a gas pressure protection device, a ventilation deodorization system and a deep drainage tunnel.
A gas pressure protection device is used for a ventilation and deodorization system of a deep drainage tunnel and comprises a liquid seal chamber and a gas washing and pressure relief region, wherein the liquid seal chamber comprises a liquid seal region and a gas washing and pressure relief region, the liquid seal region comprises a first gas part and a first liquid part which are arranged up and down, the gas washing and pressure relief region comprises a second gas part and a second liquid part which are arranged up and down, and the first liquid part and the second liquid part are used for accommodating liquid seal media;
the first liquid part is communicated with the second liquid part, the first gas part is communicated with an air outlet channel of the ventilation and deodorization system, and the second gas part is communicated with the outside atmosphere.
In this scheme, along with the increase of the internal gas pressure of air-out passageway, the liquid seal medium in first liquid portion and the second liquid portion can form the liquid level difference, and in case the too big condition of pressure appears, promptly, after the internal gas pressure of air-out passageway surpassed the pressure that deep drainage tunnel's ventilation deodorization system allowed, the water seal layer in the liquid seal chamber was destroyed by the extrusion, gas gets into first gas portion in proper order, first liquid portion, second gas portion to excessive to external atmosphere, and in case the air-out passageway internal pressure resumes normally, then can form the liquid seal layer once more, thereby guarantee that the internal gas pressure of air-out passageway is in the safe pressure range. In addition, the scheme realizes gas pressure protection, and simultaneously, gas can contact with a liquid seal medium in a liquid seal chamber in the overflow process, so that the water washing effect is exerted, and the odor concentration of dissipated gas is reduced.
Preferably, the liquid seal chamber comprises a first partition plate connected to an inner wall surface of the liquid seal chamber to divide the liquid seal chamber into the liquid seal area and the gas washing pressure relief area which are adjacently arranged.
Preferably, the bottom of the first partition is provided with a hole to communicate the first liquid part with the second liquid part.
In the scheme, the gas in the liquid seal area enters the gas washing pressure relief area through the pore channel by arranging the pore channel.
Preferably, the pressure difference between the liquid sealing medium of the first liquid part and the liquid sealing medium of the second liquid part is smaller than the preset safety air pressure of the deodorization device in the ventilation and deodorization system.
In the scheme, the arrangement is such that after the air pressure allowed by the deodorization device is exceeded, the water seal layer in the liquid seal chamber is squeezed and damaged, so that the gas overflows to the outside through the pore channel at the bottom of the first partition plate.
Preferably, the gas washing pressure relief area is provided with a plurality of flow guide plates, one end of each flow guide plate is connected to one side wall of the gas washing pressure relief area, the other end of each flow guide plate extends obliquely upwards and forms a notch with the other side wall of the gas washing pressure relief area, and the notches of two adjacent flow guide plates are arranged in a staggered mode to form a gas channel in an S-shaped trend in the second liquid part.
In this scheme, through setting up the guide plate that extends to the top to one side, the gas passage that the guide gas moves along "S" type trend has prolonged gaseous flow path in the liquid seal room for gaseous dwell time in the liquid seal medium increases, thereby makes gaseous overflow process and the interior liquid of liquid seal room fully contact, reinforcing washing effect.
Preferably, the liquid seal chamber further comprises a water replenishing area, the water replenishing area comprises a third gas part and a third liquid part which are arranged up and down, and the third gas part and the third liquid part are respectively communicated with the second gas part and the second liquid part.
In the scheme, the water replenishing area is used for replenishing water brought away by daily evaporated water and overflowed gas, and the liquid replenishing of the liquid seal area and the gas washing pressure relief area is realized by replenishing a liquid seal medium to the water replenishing area.
Preferably, the liquid seal chamber further comprises a second partition plate, and the washing gas pressure relief area and the water replenishing area are separated by the second partition plate.
Preferably, the gas pressure protection device further comprises a water inlet device, the water replenishing area is provided with a float switch, and the float switch is connected to the water inlet device;
the float switch is used for controlling the water inlet device to supplement the liquid sealing medium to the water supplementing area when the liquid level of the second liquid part or the third liquid part is smaller than a preset threshold value.
In this scheme, the switching of floater on-off control water installations to realize real-time moisturizing.
Preferably, the liquid seal chamber further comprises a drain area, the drain area is communicated with the water replenishing area, a water pump is arranged in the drain area, and the water pump is used for discharging liquid seal media in the first liquid part, the second liquid part and the third liquid part. In this scheme, put the water pump in the dead zone and can regularly with the indoor evacuation of depositing water of liquid seal, deposit water evacuation back, usable water installations carries out the moisturizing to the change of realizing depositing water, thereby it is good to guarantee to deposit water quality of water, and the washing effect when normal performance gas dissipates, pressure release.
Preferably, the gas pressure protection device further comprises a water discharge device, and the water pump is connected to the water discharge device.
In this embodiment, the liquid seal medium exits the liquid seal chamber through a drain.
Preferably, the gas pressure protection device further comprises a bypass channel, one end of the bypass channel is communicated with the first gas portion, and the other end of the bypass channel is communicated with the air outlet channel.
In this scheme, gas pressure protection device passes through bypass channel and communicates in air-out passageway.
Preferably, the bottom end of the bypass channel is above the level of the first liquid.
In this scheme, adopt above-mentioned structural setting, avoided the liquid seal medium to get into bypass channel, improved the security of gas pressure protection device when using.
Preferably, the gas pressure protection device further comprises an air outlet, and two ends of the air outlet are respectively communicated with the second gas part and the external atmosphere.
In this aspect, the second gas portion is in communication with the air outlet such that the gas is exhausted to the outside atmosphere through the air outlet.
Preferably, the air outlet is provided with a third partition plate, and the third partition plate extends upwards from the bottom surface of the air outlet.
In this scheme, through setting up the third baffle, be favorable to preventing that the liquid in the liquid seal chamber from getting into the air exit because the liquid level risees, guarantee basic gas-liquid separation.
A ventilation deodorization system comprises an air outlet channel and a deodorization device which are mutually communicated, the ventilation deodorization system further comprises the gas pressure protection device, and the first gas part is communicated with the air outlet channel.
In this scheme, adopt above-mentioned pressure protection device's ventilation deodorization system to have that gas pressure fluctuation is little, the good advantage of stability.
A deep drainage tunnel comprises a tunnel main body and further comprises the ventilation and deodorization system, and the air outlet channel is communicated with the tunnel main body.
In this scheme, adopt above-mentioned ventilation deodorization system's deep drainage tunnel to have that gas pressure fluctuation is little, the good advantage of stability.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
for the gas pressure protection device, after the gas pressure in the air outlet channel exceeds the pressure allowed by the ventilation and deodorization system of the deep drainage tunnel, the liquid seal layer in the liquid seal chamber is extruded and damaged, the gas sequentially enters the first gas part, the first liquid part, the second liquid part and the second gas part and overflows to the outside atmosphere, and once the pressure in the air outlet channel is recovered to be normal, the liquid seal layer is formed again, so that the gas pressure in the air outlet channel is ensured to be in a safe pressure range; the gas can contact with the liquid seal medium in the liquid seal chamber in the overflow process while realizing gas pressure protection, thereby playing a water washing role and reducing the odor concentration of the dissipated gas; the device is suitable for the characteristics of large air quantity and large fluctuation of a large deep drainage tunnel; the structure of reinforced concrete can be adopted, the structure is simple, and the implementation is flexible. Correspondingly, the ventilation and deodorization system and the deep drainage tunnel comprising the gas pressure protection device have the advantages of small gas pressure fluctuation and good stability.
Drawings
Fig. 1 is a schematic sectional view showing a gas pressure protecting apparatus according to a preferred embodiment of the present invention.
Fig. 2 is a schematic plan view of a gas pressure protection device according to a preferred embodiment of the present invention.
Description of the reference numerals
Gas pressure protection device 100
Bypass channel 2
A washing gas pressure relief area 12
First bore 151
First liquid portion 112
The second liquid part 122
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
The present embodiment discloses a gas pressure protection device 100 for use in a ventilation and deodorization system for deep drainage tunnels. As shown in fig. 1-2, the gas pressure protection device 100 includes a liquid seal chamber 1, the liquid seal chamber 1 includes a liquid seal area 11 and a gas washing pressure relief area 12, the liquid seal area 11 includes a first gas portion 111 and a first liquid portion 112 disposed above and below, the gas washing pressure relief area 12 includes a second gas portion 121 and a second liquid portion 122 disposed above and below, and the first liquid portion 112 and the second liquid portion 122 are used for accommodating a liquid seal medium; the first liquid part 112 is communicated with the second liquid part 122, the first gas part 111 is communicated with the air outlet channel 200 of the ventilation and deodorization system, and the second gas part 121 is communicated with the outside atmosphere.
In this embodiment, as the gas pressure in the air outlet channel 200 increases, a liquid level difference is formed between the liquid seal media in the first liquid part 112 and the second liquid part 122, and when the pressure is too high, that is, when the gas pressure in the air outlet channel 200 exceeds the pressure allowed by the ventilation and deodorization system of the deep drainage tunnel, the liquid seal layer in the liquid seal chamber 1 is broken by being squeezed, the gas sequentially enters the first gas part 111, the first liquid part 112, the second liquid part 122, and the second gas part 121 and overflows to the outside atmosphere, and when the pressure in the air outlet channel 200 returns to normal, the liquid seal layer is formed again, thereby ensuring that the gas pressure in the air outlet channel 200 is within the safe pressure range. In addition, the gas pressure protection is realized, and meanwhile, the gas can contact with the liquid seal medium in the liquid seal chamber 1 in the overflow process, so that the water washing effect is realized, and the odor concentration of the dissipated gas is reduced.
It should be noted that, in this embodiment, the liquid sealing medium is specifically water, and in other alternative embodiments, the liquid sealing medium may be other liquids.
The liquid seal chamber 1 comprises a first partition plate 15, and the first partition plate 15 is connected to the inner wall surface of the liquid seal chamber 1 to divide the liquid seal chamber 1 into a liquid seal area 11 and a washing gas pressure relief area 12 which are adjacently arranged. Specifically, the first partition 15 is connected to the top wall and the side wall of the wet seal area 11, and the bottom of the first partition 15 and the bottom wall of the wet seal area 11 are formed with first hole channels 151 to communicate the first liquid part 112 with the second liquid part 122. Wherein, the first duct 151 is arranged to allow the gas in the wet seal area 11 to enter the gas washing pressure relief area 12 through the first duct 151.
The pressure difference between the liquid sealing medium of the first liquid part 112 and the liquid sealing medium of the second liquid part 122 is smaller than the preset air pressure of the deodorizing means 300 in the ventilation deodorizing system. The arrangement enables the water sealing layer in the liquid sealing chamber to be extruded and damaged after the air pressure allowed by the deodorization device is exceeded, so that the air overflows to the outside through the pore channel at the bottom of the first partition plate. It should be noted that the preset air pressure of the deodorization device may be the maximum air pressure that the deodorization device can bear under different working conditions.
The gas washing pressure relief area 12 is provided with a plurality of flow guiding plates 123, one end of each flow guiding plate 123 is connected to one side wall of the gas washing pressure relief area 12, the other end of each flow guiding plate 123 extends obliquely upwards and forms a gap with the other side wall of the gas washing pressure relief area 12, and the gaps of the two adjacent flow guiding plates 123 are arranged in a staggered mode to form a gas channel in an S-shaped trend in the second liquid part 122. Wherein, through setting up the guide plate 123 that extends to oblique top, the gas channel that the guide gas was taken turns to along "S" type trend flows, has prolonged gaseous flow path in liquid seal room 1 for gaseous dwell time in the liquid seal medium increases, thereby makes gaseous overflow process and the abundant contact of the liquid in the liquid seal room 1, reinforcing washing effect.
In other alternative embodiments, the baffle 123 may be in other forms as long as gas diversion and gas flow path lengthening are achieved.
The liquid seal chamber 1 further includes a water replenishing region 13, the water replenishing region 13 includes a third gas portion 131 and a third liquid portion 132 which are arranged up and down, and the third gas portion 131 and the third liquid portion 132 are respectively communicated with the second gas portion 121 and the second liquid portion 122. The water replenishing area 13 is used for replenishing water brought away by daily evaporated water and overflowed gas, and the liquid seal area 11 and the gas washing pressure relief area 12 are replenished with liquid seal media through replenishing the water replenishing area 13.
The liquid seal chamber 1 further comprises a second partition 16, and the washing gas pressure relief area 12 and the water replenishing area 13 are separated by the second partition 16. Specifically, the second partition board 16 is connected to a side wall surface of the gas washing pressure relief area 12, a second duct 161 is formed between the second partition board 16 and a bottom wall of the gas washing pressure relief area 12, the liquid seal area 11, the gas washing pressure relief area 12 and the water replenishing area 13 are communicated with each other through the first duct 151 and the second duct 161, and a liquid seal medium in the water replenishing area enters the gas washing pressure relief area 12 through the second duct 161 to realize liquid replenishing. A space is left between the second partition 16 and the top wall of the washing gas pressure relief area 12 so that the liquid levels in the washing gas pressure relief area 12 and the water replenishing area 13 are the same.
The gas pressure protection device 100 further comprises a water inlet device, the water replenishing area 13 is provided with a float switch 133, and the float switch 133 is connected with the water inlet device; the float switch 133 is used for controlling the water inlet device to replenish the liquid sealing medium to the water replenishing region 13 when the liquid level of the third liquid part 132 is smaller than a preset threshold value. Wherein, the float switch 133 controls the opening and closing of the water inlet device to realize the real-time water supplement. Specifically, the water inlet device can be an external water supply pipe.
In specific use, because the liquid levels of the washing and air-releasing area 12 and the water replenishing area 13 are the same, the float switch 133 can be arranged on the liquid level of the third liquid part 132, the liquid level of the third liquid part 132 is detected, when the liquid level is detected to be lower than a preset threshold value, the float switch 133 is opened, the water supply pipe replenishes water to the water replenishing area 13, and until the liquid level is detected to be not lower than the threshold value, the float switch 133 is closed, and the water supply pipe stops water inflow.
The liquid seal chamber 1 further comprises an emptying region 14, the emptying region 14 is arranged on the side edge of the water replenishing region 13, the emptying region is communicated with the water replenishing region 13, a water pump 141 is arranged in the emptying region, the water pump 141 is connected to a drainage device (for example, a water outlet pipe), and liquid seal media are discharged out of the liquid seal chamber 1 through the drainage device. The water pump 141 can periodically evacuate the stored water in the liquid seal chamber 1, and after the stored water is evacuated, water can be supplemented by using a water inlet device (for example, an external water supply pipe) to realize the replacement of the stored water, so that the stored water is ensured to have good quality, and the water washing effect is realized during the normal gas dissipation and pressure release.
The gas pressure protection device 100 further includes a bypass channel 2, one end of the bypass channel 2 is communicated with the first gas portion 111, and the other end of the bypass channel 2 is communicated with the air outlet channel 200. The gas pressure protection device 100 is connected to the air outlet channel 200 through the bypass channel 2. The bottom end of the bypass channel 2 is higher than the liquid level in the first liquid part 112 or the bottom end of the bypass channel 2 is level with the liquid level in the first liquid part 112. By adopting the structure, the liquid seal medium is prevented from entering the bypass channel 2, and the safety of the gas pressure protection device 100 in use is improved.
It should be noted that in other alternative embodiments, a fourth partition may also be provided in the bypass channel 2, and the fourth partition extends upward from the bottom surface of the bypass channel 2 to prevent the liquid sealing medium from entering the bypass channel 2.
The gas pressure protection device 100 further includes an air outlet 3, and two ends of the air outlet 3 are respectively communicated with the second gas portion 121 and the external atmosphere. The second gas part 121 is communicated with the exhaust port 3 to realize instant exhaust. The air outlet 3 has a third partition 17, and the third partition 17 extends upward from the bottom surface of the air outlet 3. Wherein, through setting up third baffle 17, be favorable to preventing that the liquid in the liquid seal chamber 1 from getting into air exit 3 because the liquid level risees, guarantee basic gas-liquid separation.
The present embodiment further discloses a ventilation and deodorization system, which includes an air outlet channel 200 and a deodorization device 300 that are connected to each other, the ventilation and deodorization system further includes the gas pressure protection device 100, and the first gas portion 111 is connected to the air outlet channel 200.
In the present embodiment, the ventilation and deodorization system using the gas pressure protection device 100 has advantages of small gas pressure fluctuation and good stability.
The embodiment further discloses a deep drainage tunnel, which comprises a tunnel main body, the deep drainage tunnel further comprises the ventilation and deodorization system, and the air outlet channel 200 is communicated with the tunnel main body.
In this embodiment, the deep drainage tunnel using the above ventilation and deodorization system has advantages of small gas pressure fluctuation and good stability.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (16)
1. A gas pressure protection device is used for a ventilation and deodorization system of a deep drainage tunnel and is characterized by comprising a liquid seal chamber, wherein the liquid seal chamber comprises a liquid seal area and a gas washing and pressure releasing area, the liquid seal area comprises a first gas part and a first liquid part which are arranged up and down, the gas washing and pressure releasing area comprises a second gas part and a second liquid part which are arranged up and down, and the first liquid part and the second liquid part are used for containing liquid seal media;
the first liquid part is communicated with the second liquid part, the first gas part is communicated with an air outlet channel of the ventilation and deodorization system, and the second gas part is communicated with the outside atmosphere.
2. The gas pressure protection device according to claim 1, wherein the liquid seal chamber includes a first partition plate connected to an inner wall surface of the liquid seal chamber to partition the liquid seal chamber into the liquid seal region and the purge gas relief region which are adjacently disposed.
3. The gas pressure protection device according to claim 2, wherein a bottom of the first partition is provided with a hole to communicate the first liquid portion with the second liquid portion.
4. The gas pressure protection device of claim 1, wherein a pressure differential between the liquid seal medium of the first liquid portion and the liquid seal medium of the second liquid portion is less than a preset safety gas pressure of a deodorizing means in the ventilation deodorizing system.
5. The gas pressure protection device according to claim 1, wherein the gas purge plenum has a plurality of flow deflectors, one end of each flow deflector is connected to one side wall of the gas purge plenum, the other end of each flow deflector extends obliquely upward and forms a gap with the other side wall of the gas purge plenum, and the gaps of two adjacent flow deflectors are staggered to form a gas passage in an "S" shape in the second liquid part.
6. The gas pressure protection device of claim 1, wherein the liquid seal chamber further comprises a water replenishing region, the water replenishing region comprising a third gas portion and a third liquid portion disposed one above the other, the third gas portion and the third liquid portion being in communication with the second gas portion and the second liquid portion, respectively.
7. The gas pressure protection device of claim 6, wherein said wet seal chamber further comprises a second partition, said scrubbing relief zone being separated from said make-up zone by said second partition.
8. The gas pressure protection device according to claim 6, further comprising a water inlet device, wherein the water replenishing region is provided with a float switch, and the float switch is connected to the water inlet device;
the float switch is used for controlling the water inlet device to supplement the liquid sealing medium to the water supplementing area when the liquid level of the second liquid part or the third liquid part is smaller than a preset threshold value.
9. The gas pressure protection device according to claim 6, wherein the liquid seal chamber further comprises a drain area, the drain area being in communication with the water replenishing area, and a water pump being provided in the drain area, the water pump being configured to discharge the liquid seal medium in the first liquid portion, the second liquid portion, and the third liquid portion.
10. The gas pressure protection device according to claim 9, further comprising a drain, the water pump being connected to the drain.
11. The gas pressure protection device as claimed in claim 1, further comprising a bypass passage, one end of the bypass passage being communicated with the first gas portion, and the other end of the bypass passage being communicated with the outlet passage.
12. The gas pressure protection device of claim 11, wherein a bottom end of the bypass channel is above a liquid level of the first liquid portion.
13. The gas pressure protecting device according to claim 1, further comprising an air outlet, both ends of which are respectively communicated with the second gas portion and the external atmosphere.
14. The gas pressure protecting device according to claim 13, wherein said air discharge opening has a third partition plate extending upward from a bottom surface of said air discharge opening.
15. A ventilation and deodorisation system comprising an outlet channel and a deodorising block in communication with each other, characterised in that the ventilation and deodorising system further comprises a gas pressure guard according to any of claims 1-14, the first gas portion being in communication with the outlet channel.
16. A deep drainage tunnel comprising a tunnel body, wherein the deep drainage tunnel further comprises the ventilation and deodorization system of claim 15, the air outlet channel being in communication with the tunnel body.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897312.7A CN113586146A (en) | 2021-08-05 | 2021-08-05 | Gas pressure protection device, ventilation deodorization system and deep drainage tunnel |
| CA3227970A CA3227970A1 (en) | 2021-08-05 | 2022-02-22 | Gas pressure protection device, ventilation and deodorization system, and deep drainage tunnel |
| PCT/CN2022/077234 WO2023010830A1 (en) | 2021-08-05 | 2022-02-22 | Gas pressure protection device, ventilation and deodorization system, and deep drainage tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897312.7A CN113586146A (en) | 2021-08-05 | 2021-08-05 | Gas pressure protection device, ventilation deodorization system and deep drainage tunnel |
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| CN113586146A true CN113586146A (en) | 2021-11-02 |
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| CN202110897312.7A Pending CN113586146A (en) | 2021-08-05 | 2021-08-05 | Gas pressure protection device, ventilation deodorization system and deep drainage tunnel |
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| Country | Link |
|---|---|
| CN (1) | CN113586146A (en) |
| CA (1) | CA3227970A1 (en) |
| WO (1) | WO2023010830A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010830A1 (en) * | 2021-08-05 | 2023-02-09 | 上海市政工程设计研究总院（集团）有限公司 | Gas pressure protection device, ventilation and deodorization system, and deep drainage tunnel |
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| CN107021558A (en) * | 2017-03-24 | 2017-08-08 | 机科发展科技股份有限公司 | A kind of method and apparatus using drop filter processing sewage and foul smell |
| CN107349767A (en) * | 2017-08-11 | 2017-11-17 | 深圳职业技术学院 | Organic waste gas treatment device |
| JP7093622B2 (en) * | 2017-11-09 | 2022-06-30 | クボタ環境サ－ビス株式会社 | Deodorizer |
| CN113586146A (en) * | 2021-08-05 | 2021-11-02 | 上海市政工程设计研究总院（集团）有限公司 | Gas pressure protection device, ventilation deodorization system and deep drainage tunnel |
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2021
- 2021-08-05 CN CN202110897312.7A patent/CN113586146A/en active Pending
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2022
- 2022-02-22 WO PCT/CN2022/077234 patent/WO2023010830A1/en active Application Filing
- 2022-02-22 CA CA3227970A patent/CA3227970A1/en active Pending
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| CN110410135A (en) * | 2019-06-26 | 2019-11-05 | 山东科技大学 | The full wet type recirculated water dust removal by filtration system of roadway head and working method |
| CN110836282A (en) * | 2019-12-04 | 2020-02-25 | 张殿龙 | Hydraulic safety valve |
| CN110985025A (en) * | 2019-12-16 | 2020-04-10 | 中铁一局集团有限公司 | Method for reconstructing shield tunnel to carry out mine construction |
| CN111379590A (en) * | 2020-03-30 | 2020-07-07 | 中国十九冶集团有限公司 | Drainage system and drainage method in tunnel operation period |
| CN212253715U (en) * | 2020-04-29 | 2020-12-29 | 成都易态科技有限公司 | Air pressure protection system |
| CN112943338A (en) * | 2021-03-04 | 2021-06-11 | 凌振英 | Ventilation device for tunnel construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023010830A1 (en) * | 2021-08-05 | 2023-02-09 | 上海市政工程设计研究总院（集团）有限公司 | Gas pressure protection device, ventilation and deodorization system, and deep drainage tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023010830A1 (en) | 2023-02-09 |
| CA3227970A1 (en) | 2023-02-09 |
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