CN212614841U - Fireproof structure of underground tunnel ventilation system - Google Patents
Fireproof structure of underground tunnel ventilation system Download PDFInfo
- Publication number
- CN212614841U CN212614841U CN202021280048.XU CN202021280048U CN212614841U CN 212614841 U CN212614841 U CN 212614841U CN 202021280048 U CN202021280048 U CN 202021280048U CN 212614841 U CN212614841 U CN 212614841U
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- fire
- pipe
- air
- chuck
- fire prevention
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- 238000009423 ventilation Methods 0.000 title claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000002265 prevention Effects 0.000 claims abstract description 30
- 239000007921 spray Substances 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009916 joint effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Abstract
The utility model discloses an underground tunnel ventilation system's fire resistive construction, including air-supply line and fire prevention ventilation pipe, the wind dish is installed to the tip of air-supply line, and the end connection of wind dish has the return air pipe, the tip at the return air pipe is connected in order to the fire prevention ventilation pipe, all be connected with the connection pad between return air pipe and the fire prevention ventilation pipe, the spout has been seted up to the lateral wall of connection pad. The utility model discloses have the joint effect of ventilation and fire prevention, combine the fire prevention function in the ventilation pipe, make this fire prevention ventilation pipe have good fire behavior, need not to install fire resistive construction additional, make whole ventilation system simple structure, simple to operate is swift, and the installation is pleasing to the eye, clamp the chuck through the spout in the connection pad, so the chuck can rotate on the connection pad, thereby can realize spouting the adjustment of a set to the position on the chuck, make and spout the set and can spray water in the fire prevention ventilation pipe diversely, the water spray is even, fire behavior also is promoted greatly.
Description
Technical Field
The utility model relates to an underground tunnel fire prevention technical field specifically is an underground tunnel ventilation system's fire resistive construction.
Background
The underground tunnel is an engineering building buried in the stratum and is a form of utilizing underground space by human beings, the tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and a complete ventilation system is needed in the construction process of the tunnel, so that the tunnel building can be normally used, the tunnel building has good use value, and an underground ventilation network also needs to have a fire prevention function for ensuring the safety of the tunnel.
The existing fireproof structure of the underground tunnel ventilation system has the following defects:
1. the fire-proof structure of the existing underground tunnel ventilation system is inconvenient to install and distribute, and the using effect has certain limitation;
2. the fire-proof structure of the existing underground tunnel ventilation system can not extinguish fire, so that fire is easy to accumulate and finally damages the ventilation system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an underground tunnel ventilation system's fire resistive construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an underground tunnel ventilation system's fire resistive construction, includes air-supply line and fire prevention ventilation pipe, the wind dish is installed to the tip of air-supply line, and the end connection of wind dish has the return air duct, the fire prevention ventilation pipe is connected in order at the tip of return air duct, and the outermost end of fire prevention ventilation pipe is connected with out the tuber pipe, all be connected with the connection pad between return air duct and the fire prevention ventilation pipe, the spout has been seted up to the lateral wall of connection pad, and the inboard slidable mounting of spout has the chuck.
Preferably, a communicating structure is formed among the air inlet pipe, the air disc and the air return pipe, and the air return pipe is of a U-shaped structure.
Preferably, the inner wall of the fireproof ventilation pipe is fixed with a hollowed-out fireproof plate, and mounting frames are arranged on two sides of the hollowed-out fireproof plate.
Preferably, the mounting bracket is clamped and matched inside the fireproof ventilation pipe, and the water absorption cotton is fixed at one end, close to the hollowed-out fireproof plate, of the mounting bracket.
Preferably, the inside of chuck is provided with the runner, and the side eccentric position of chuck runs through and is equipped with logical groove, it is linked together with the runner to lead to the groove.
Preferably, a handle is fixed at the top end of the chuck, a water gap is formed in the top end of the handle, and the water gap is communicated with the flow channel.
Preferably, the end part of the through groove is provided with a spray disk, and the end surface of the spray disk is provided with nozzles at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the fire prevention ventilation pipe has the joint effect of ventilation and fire prevention, fuses the fire prevention function in the ventilation pipe for this fire prevention ventilation pipe has good fire behavior, need not to install fire resistive construction additional, makes whole ventilation system simple structure, and simple to operate is swift, and installs beautifully.
2. The utility model discloses clamp the chuck through the spout in the connection pad, so the chuck can rotate on the connection pad to can realize spouting the adjustment of dish institute to the position on the chuck, make to spout and coil and can spray water in can diversely to the fire prevention ventilation pipe, the water spray is even, and fire behavior also obtains promoting greatly.
3. The utility model discloses the mounting bracket clamps inside the both ends of fire prevention ventilation pipe, therefore the dismouting of mounting bracket is very swift, borrows this convenience to the cotton that absorbs water take, and the cotton that absorbs water is interior to dip rivers for a long time, and the cotton that consequently absorbs water has flue gas to having dirt, and especially the scorching hot air current that the conflagration produced has effects such as cooling, thermal-insulated, edulcoration, filtration, when the fire prevention, guarantees the purity of air current.
4. The utility model discloses a mouth of a river can be to the interior water injection of runner, and rivers are through leading to the groove to spouting the dish input, and it obtains stable water source supply to spout the dish, so can the steady job, spouts the dish and installs the eccentric position at the chuck, consequently can change its position at place after the chuck is rotatory, so can accomplish the water spray of large tracts of land, water spray to the condition of a fire that probably enters into in the ventilation system and water out, and then guarantee that ventilation system can normally just work smoothly under the conflagration condition.
Drawings
Fig. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the internal structure of the side of the chuck according to the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 4 is the schematic view of the internal structure of the fireproof ventilation pipe of the present invention.
In the figure: 1. an air inlet pipe; 2. a wind plate; 3. a return air duct; 4. a fireproof ventilation duct; 5. an air outlet pipe; 6. a connecting disc; 601. a chute; 7. hollowing out the fireproof plate; 8. a mounting frame; 9. absorbent cotton; 10. a chuck; 1001. a flow channel; 1002. a through groove; 11. a handle; 1101. a water gap; 12. spraying a disc; 1201. and (4) a nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a fire-proof structure of an underground tunnel ventilation system comprises an air inlet pipe 1 and a fire-proof ventilation pipe 4, wherein an air disc 2 is installed at the end part of the air inlet pipe 1, the end part of the air disc 2 is connected with an air return pipe 3, a fan unit is arranged in the air disc 2, wind power can be generated after the air disc 2 is started, the promotion of air flow is facilitated, and a good ventilation effect is achieved, the fire-proof ventilation pipe 4 is sequentially connected with the end part of the air return pipe 3, the outermost end of the fire-proof ventilation pipe 4 is connected with an air outlet pipe 5, the fire-proof ventilation pipe 4 has a ventilation and fire-proof combined effect, a fire-proof function is integrated into the ventilation pipe, so that the fire-proof ventilation pipe 4 has good fire-proof performance, a fire-proof structure does not need to be additionally arranged, the whole structure is simple, the installation is convenient and rapid, the installation, and the inboard slidable mounting of spout 601 has chuck 10, clamps chuck 10 through spout 601 in the connection pad 6, so chuck 10 can rotate on connection pad 6 to can realize spouting the adjustment of dish 12 to the position on chuck 10, make and spout dish 12 and can spray water in the fire prevention ventilation pipe 4 diversely, it is even to spray water, and fire behavior also obtains promoting greatly.
Furthermore, a communicating structure is formed among the air inlet pipe 1, the air disc 2 and the air return pipe 3, the air return pipe 3 is of a U-shaped structure, air enters from the air inlet pipe 1 and is pressurized and input into the U-shaped air return pipe 3 through the air disc 2, one opening of double air inlets are completed, and the ventilation efficiency of the ventilation system is greatly improved.
Further, the inner wall of fire prevention ventilation pipe 4 is fixed with fretwork PLASTIC LAMINATED 7, and the both sides of fretwork PLASTIC LAMINATED 7 all are provided with mounting bracket 8, and fretwork PLASTIC LAMINATED 7 adopts common PLASTIC LAMINATED material, and even hole is processed out through drilling technology inside for ventilation, make fire prevention ventilation pipe 4 have the ability of preventing fires and ventilating concurrently.
Further, the cooperation of the equal joint of mounting bracket 8 is in the inside of fire prevention ventilation pipe 4, and the one end that mounting bracket 8 is close to fretwork PLASTIC LAMINATED 7 all is fixed with the cotton 9 that absorbs water, mounting bracket 8 clamps inside the both ends of fire prevention ventilation pipe 4, consequently, mounting bracket 8's dismouting is very swift, borrow this convenience to absorb water cotton 9 and take, long-term infiltration rivers in the cotton 9 that absorbs water, consequently, cotton 9 that absorbs water has flue gas to having dirt, especially the scorching hot air current that the conflagration produced, the cooling has, it is thermal-insulated, the edulcoration, effect such as filtration, in the fire prevention, guarantee the purity of air current.
Further, the inside of chuck 10 is provided with runner 1001, and the eccentric position in side of chuck 10 runs through and is equipped with logical groove 1002, leads to groove 1002 and is linked together with runner 1001, and the top of chuck 10 is fixed with handle 11, and the top of handle 11 has seted up mouth of a river 1101 to mouth of a river 1101 is linked together with runner 1001, can be to the water injection in runner 1001 through mouth of a river 1101, and rivers are imported to spray plate 12 through leading to groove 1002, and spray plate 12 obtains stable water supply, so can stable work.
Further, the end of the through groove 1002 is provided with the spray plate 12, the end face of the spray plate 12 is provided with the nozzles 1201 at equal intervals, and the spray plate 12 is arranged at the eccentric position of the chuck 10, so that the position of the spray plate can be changed after the chuck 10 rotates, large-area water spraying can be completed, fire possibly entering the ventilation system can be sprayed, and the ventilation system can work normally and smoothly under the condition of fire.
The working principle is as follows: before the device is used, a user firstly detects the device, confirms that no problem exists and then installs the device at the ventilation position of a tunnel for use, fresh air enters the ventilation system through the air inlet pipe 1, is pressurized by the wind power of the air disc 2, enters the air return pipe 3, sequentially passes through the fireproof ventilation pipe 4 and the air outlet pipe 5, enters the tunnel to complete the exchange process of the air, when a fire disaster occurs in the tunnel, the fire-proof plate material of the hollowed-out fire-proof plate 7 can effectively prevent the flame from spreading along the fireproof ventilation pipe 4, and the moist absorbent cotton 9 can cool, insulate heat, remove impurities and filter the airflow in the fire scene, thereby continuously ensuring the ventilation function of the ventilation system, when the ventilation system is seriously influenced by the fire, for example, when the flame burns to the fireproof ventilation pipe 4, the nozzle 1201 is opened, the water flow entering the flow passage 1001 from the water gap 1101 can be extracted by the spraying disc 12 through the through groove, and finally atomized and sprayed out by the nozzle 1201, and water mist is sprayed into the fireproof ventilation pipe 4 to quickly cool the fireproof ventilation pipe 4 or extinguish the flame in the fireproof ventilation pipe 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an underground tunnel ventilation system's fire resistive construction, includes air-supply line (1) and fire prevention ventilation pipe (4), its characterized in that: air-disk (2) is installed to the tip of air-supply line (1), and the end connection of air-disk (2) has return air duct (3), fire prevention ventilation pipe (4) are connected in order at the tip of return air duct (3), and the outermost end of fire prevention ventilation pipe (4) is connected with out tuber pipe (5), all be connected with connection pad (6) between return air duct (3) and fire prevention ventilation pipe (4), spout (601) have been seted up to the lateral wall of connection pad (6), and the inboard slidable mounting of spout (601) has chuck (10).
2. The fire protection structure of an underground tunnel ventilation system according to claim 1, wherein: the air inlet pipe (1), the air disc (2) and the air return pipe (3) form a communicating structure, and the air return pipe (3) is of a U-shaped structure.
3. The fire protection structure of an underground tunnel ventilation system according to claim 1, wherein: the inner wall of the fireproof ventilation pipe (4) is fixed with a hollowed-out fireproof plate (7), and mounting frames (8) are arranged on two sides of the hollowed-out fireproof plate (7).
4. A fire protection structure of an underground tunnel ventilation system according to claim 3, wherein: all the mounting racks (8) are clamped and matched inside the fireproof ventilation pipe (4), and water absorption cotton (9) is fixed at one end, close to the hollowed-out fireproof plate (7), of each mounting rack (8).
5. The fire protection structure of an underground tunnel ventilation system according to claim 1, wherein: the novel chuck is characterized in that a flow channel (1001) is arranged inside the chuck (10), a through groove (1002) penetrates through the eccentric position of the side face of the chuck (10), and the through groove (1002) is communicated with the flow channel (1001).
6. The fire protection structure of an underground tunnel ventilation system according to claim 5, wherein: the top end of the chuck (10) is fixed with a handle (11), the top end of the handle (11) is provided with a water gap (1101), and the water gap (1101) is communicated with the flow channel (1001).
7. The fire protection structure of an underground tunnel ventilation system according to claim 5, wherein: the end part of the through groove (1002) is provided with a spray disk (12), and the end surface of the spray disk (12) is provided with nozzles (1201) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280048.XU CN212614841U (en) | 2020-07-02 | 2020-07-02 | Fireproof structure of underground tunnel ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280048.XU CN212614841U (en) | 2020-07-02 | 2020-07-02 | Fireproof structure of underground tunnel ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614841U true CN212614841U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021280048.XU Active CN212614841U (en) | 2020-07-02 | 2020-07-02 | Fireproof structure of underground tunnel ventilation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN212614841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033472A (en) * | 2021-11-10 | 2022-02-11 | 嘉应学院 | Tunnel fire prevention isolating device |
-
2020
- 2020-07-02 CN CN202021280048.XU patent/CN212614841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033472A (en) * | 2021-11-10 | 2022-02-11 | 嘉应学院 | Tunnel fire prevention isolating device |
| CN114033472B (en) * | 2021-11-10 | 2023-09-15 | 嘉应学院 | Tunnel fire prevention isolating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fireproof structure of underground tunnel ventilation system Effective date of registration: 20220225 Granted publication date: 20210226 Pledgee: Qilu Bank Co.,Ltd. Jinan Caishi sub branch Pledgor: SHANDONG HENGYUE FIRE FIGHTING ENGINEERING CO.,LTD. Registration number: Y2022370000029 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230227 Granted publication date: 20210226 Pledgee: Qilu Bank Co.,Ltd. Jinan Caishi sub branch Pledgor: SHANDONG HENGYUE FIRE FIGHTING ENGINEERING CO.,LTD. Registration number: Y2022370000029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fireproof structure of underground tunnel ventilation system Effective date of registration: 20230302 Granted publication date: 20210226 Pledgee: Qilu Bank Co.,Ltd. Jinan Caishi sub branch Pledgor: SHANDONG HENGYUE FIRE FIGHTING ENGINEERING CO.,LTD. Registration number: Y2023980033887 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210226 Pledgee: Qilu Bank Co.,Ltd. Jinan Caishi sub branch Pledgor: SHANDONG HENGYUE FIRE FIGHTING ENGINEERING CO.,LTD. Registration number: Y2023980033887 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Fireproof Structure for Underground Tunnel Ventilation System Granted publication date: 20210226 Pledgee: Qilu Bank Co.,Ltd. Jinan Caishi sub branch Pledgor: SHANDONG HENGYUE FIRE FIGHTING ENGINEERING CO.,LTD. Registration number: Y2024980007252 |