CN206816291U - Suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft - Google Patents
Suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft Download PDFInfo
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- CN206816291U CN206816291U CN201720460902.2U CN201720460902U CN206816291U CN 206816291 U CN206816291 U CN 206816291U CN 201720460902 U CN201720460902 U CN 201720460902U CN 206816291 U CN206816291 U CN 206816291U
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- China
- Prior art keywords
- shaft
- nitrogen
- fire extinguishing
- fire
- pit shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of high efficiency fire extinguishing system suitable for well industrial and mineral well shaft,It is related to pitshaft fire extinguishing system,By back lass system and note nitrogen fire extinguishing system,Mine monitors monitoring system effective integration on-line,It is mainly distinguished and admirable for carrier with inverted ventilation,By the control to inverted ventilation Boiler pressure control air door by the nitrogen in the nitrogen storage station of ground by annular nitrogen outlet into fire pit shaft and shaft bottom ingate nearby persistently inject a large amount of nitrogen,Oxygen concentration is monitored using the oxygen concentration sensor near the ingate of shaft bottom and in pit shaft,And by adjusting nitrogen flow,The oxygen content in pit shaft below ignition point in distinguished and admirable air is set to be rapidly decreased to less than 10%,Reach the effect of isolation fire extinguishing when hypoxic air passes through ignition point,Put out a fire suitable for the fire of each position and ingate in pit shaft,In the absence of fire extinguishing blind area,When extinguishing operation is carried out in pit shaft,Fire extinguishing personnel do not enter flame range and disaster area,Avoid casualties caused by possibility in fire extinguishing procedure.
Description
Technical field
Pitshaft fire extinguishing system is the utility model is related to, it is specifically a kind of suitable for the efficient of well industrial and mineral well shaft
Fire extinguishing system.
Background technology
At present, fire fire-fighting technique is also relatively simple in China's pit shaft, and pit shaft fire extinguishing is difficult.Jing Gongkuangjing is due to well
Lower narrow space, it is distinguished and admirable to be flowed along tunnel, if well industrial and mineral well shaft is interior, fire, shadow occur near the ingate of shaft bottom or underground
Ring that scope is big, and number in danger is more, especially in well industrial and mineral well shaft and the neighbouring fire of shaft bottom ingate, due to fire location with
Machine, pit shaft freeze operating location only with many reasons, the existing Fire extinguisher such as limited fire distinguisher and mine shaft depth be big
Fire area is extremely difficult to effectively to be put out a fire.Even taking inverted ventilation measure, again be just for reduce the disaster-stricken scope of mine and
Reduction is gone through dangers personnel, further increases the difficulty of pit shaft fire extinguishing on the contrary.Therefore, in pitshaft fire often because put out a fire not in time or
Person's fire extinguishing means do not reach, and heavy losses are brought to enterprise security and assets.
Pitshaft and shaft bottom ingate nearby fire have coverage is big, number of going through dangers is more, caused by safety consequences
With property loss it is huge the features such as, from the point of view of the whole nation, for the emphasis of fire management near the ingate of in pitshaft and shaft bottom
Or based on fire preventing.For having there is the fire of naked light in pit shaft and near the ingate of shaft bottom, due to pit shaft be present
Nearby wind speed is big, sprawling is fast, operation field fire distinguisher is limited for interior and ingate, fire extinguishing narrow space and mine shaft depth are big, existing
Some Fire extinguishers are extremely difficult to fire area and carry out the effectively restraining factors such as fire extinguishing, nearby occur with shaft bottom ingate in pit shaft
The safety consequences of concrete on fire are often catastrophic, and these are verified in all previous pit shaft fire incident of my ore deposit.Therefore,
A kind of effective fire-fighting technique is invented to be particularly important, it is imperative.But from the point of view of in the whole country, well industrial and mineral
Fire-fighting technique or blank in well shaft and near the ingate of shaft bottom.
The content of the invention
To solve above-mentioned technical problem, the utility model provides a kind of suitable for the efficient of well industrial and mineral well shaft
Fire extinguishing system, fire extinguishing nitrogen system, mine on-line monitoring monitoring system is coordinated to realize well using mine main ventilator inverted ventilation system
High-effect fire-extinguishing in cylinder and near ingate, suitable for all kinds of Jing Gongkuangjing, effectively protection underground site the staff person
The property safety of safety and mine.
To reach above-mentioned purpose, technical scheme is used by the utility model：
A kind of high efficiency fire extinguishing system suitable for well industrial and mineral well shaft, include positioned at the nitrogen storage station on ground, some
Annular nitrogen outlet, back lass system and some inverted ventilation Boiler pressure control air doors, on shaft in wall from top to bottom at interval of
Certain distance sets an annular nitrogen outlet, apart from shaft bottom head of the horse in all tunnels that shaft station and downcast bottom sheet lead to
The position of door certain distance is respectively provided with an annular nitrogen outlet, and the inverted ventilation Boiler pressure control air door is arranged at shaft station with entering
The downwind side of the logical tunnel annular nitrogen outlet of ventilating shaft bottom sheet, to control the anti-of each downcast during realizing pit shaft inverted ventilation
Wind air quantity, some annular nitrogen outlets are connected to form parallel network with nitrogen storage station respectively, each annular nitrogen
Outlet is provided with the release that independent switch is used to be turned on or off nitrogen, is set between annular nitrogen outlet described in each two
Oxygen concentration sensor, above-mentioned some annular nitrogen outlets, the switch of inverted ventilation Boiler pressure control air door by ground remote control,
, can also be manually operated when remote control fails, the oxygen concentration sensor access mine on-line monitoring monitoring system, realize
Monitoring in real time.
The utility model monitors back lass system and note nitrogen fire extinguishing system, mine on-line monitoring system effective integration,
It is mainly distinguished and admirable for carrier with inverted ventilation, the nitrogen in the nitrogen storage station of ground is passed through by the control to inverted ventilation Boiler pressure control air door
Annular nitrogen outlet is into fire pit shaft and shaft bottom ingate nearby persistently injects a large amount of nitrogen, using near the ingate of shaft bottom and
Oxygen concentration sensor in pit shaft monitors oxygen concentration, and by adjusting nitrogen flow, makes empty below ignition point in pit shaft
Oxygen content in gas is rapidly decreased to less than 10%, and the effect of isolation fire extinguishing is reached when hypoxic air passes through ignition point, is applicable
Fire fire extinguishing in each position in pit shaft, in the absence of fire extinguishing blind area；Annular nitrogen outlet and inverted ventilation Boiler pressure control air door is opened
Guan Jun has ground remote control, and oxygen concentration sensor is monitored monitoring system on-line by mine and monitored in real time, carried out in pit shaft
During extinguishing operation, fire extinguishing personnel do not enter flame range and disaster area, avoid casualties caused by fire extinguishing procedure；The system architecture
Simply, annular nitrogen outlet is connected in parallel with nitrogen storage station, is not interfere with each other, and avoids the waste of nitrogen in fire extinguishing, and realization is gone out
Fire it is efficient and safe, can be long-term use of after installation, using low with maintenance cost, be adapted to large-scale promotion application, filled up state
The blank of interior pitshaft fire extinguishing, the safety of the personnel in pitshaft fire process and property is effectively ensured.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the mine ventilation schematic diagram before the work of inverted ventilation system, and arrow is oriented to fresh distinguished and admirable；
Fig. 3 is the mine ventilation schematic diagram after the work of inverted ventilation system, and icon is oriented to idle air.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, the nitrogen storage positioned at ground should be included suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft
Stand 1, some annular nitrogen outlets 11, back lass system and some inverted ventilation Boiler pressure control air doors 2, from upper on shaft in wall
One annular nitrogen outlet 11 is set at interval of certain distance under and, in all tunnels that shaft station and downcast bottom sheet lead to
An annular nitrogen outlet 11 is respectively provided with apart from the position of the certain distance of shaft bottom ingate 4, the inverted ventilation Boiler pressure control air door 2 is set
The downwind side for the tunnel annular nitrogen outlet 11 that shaft station leads to downcast bottom sheet is placed in, to during realizing pit shaft inverted ventilation
The inverted ventilation air quantity of each downcast is controlled, it is in parallel that some annular nitrogen outlets 11 are connected formation with nitrogen storage station 1 respectively
Network, each annular nitrogen outlet 11 are provided with the release that independent switch is used to be turned on or off nitrogen, each two
Oxygen concentration sensor 3, above-mentioned some annular nitrogen outlets 11, inverted ventilation Boiler pressure control are set between the annular nitrogen outlet 11
The switch of air door 2 is real-time by mine on-line monitoring monitoring system by ground remote control, the oxygen concentration sensor 3
Monitoring.
Illustrate structure of the present utility model and application below by a specific embodiment.
In the present embodiment, as shown in figure 1, fire extinguishing nitrogen system is established in pit shaft first.Due to the density of nitrogen
1.25g/L, the density of air is 1.293g/L, and the main of the isolation type fire extinguishing that breeding fire uses is administered so nitrogen is colliery
Raw material.So-called fire extinguishing nitrogen system is exactly that a nitrogen storage station 1 is built on ground, and one is set at a certain distance in pit shaft
Annular nitrogen gas outlet 11, apart from the certain distance of shaft bottom ingate 4 in all tunnels that shaft station and downcast bottom sheet lead to
Position one annular nitrogen outlet 11 is set respectively, each annular air outlet 11 is in parallel with nitrogen storage station 1, can be single
Solely to open, release nitrogen, the spacing distance in the present embodiment in pit shaft between two annular nitrogen outlets 11 is designed as 100 meters,
Can voluntarily it be controlled according to the depth of pit shaft, annular nitrogen outlet 11 and shaft bottom in the tunnel logical with downcast bottom sheet of shaft station
The distance of ingate 4 is designed as 50-100 rice.Oxygen concentration sensor 3 is set between each two annular nitrogen outlet 11.
As shown in Figures 2 and 3, it is some that inverted ventilation Boiler pressure control air door 2 is established in underground.In shaft station and downcast bottom sheet
Inverted ventilation Boiler pressure control air door 2 is established in logical all tunnels, and the inverted ventilation Boiler pressure control air door 2 is arranged at annular nitrogen outlet 11
Downwind side, for controlling the inverted ventilation air quantity of each downcast during well work back lass.Back lass technology is pit shaft
Concrete on fire is not being gone to live in the household of one's in-laws on getting married for the structure of reverse-wind technique here to reduce the customary practice that disaster-stricken scope ensures personnel in the pit's safety
State.When fire occurs for pit shaft, inverted ventilation system must be started.
In the present embodiment, for example fire occurs at 350 meters below well industrial and mineral well auxiliary well head, according to each two annular nitrogen
100 meters of calculating of spacing between gas outlet 11, that is, the 3rd annular nitrogen outlet 11c and the 4th annular nitrogen in Fig. 1
Export the position among 11d and fire occurs, the 4th annular nitrogen outlet 11d, the are now opened according to the position of ignition point first
The annular nitrogen outlets 11 of 5 annular nitrogen outlet 11e and the 6th annular nitrogen outlet 11f tri- and the 7th annular in shaft bottom
Nitrogen outlet 11g and the 8th annular annular nitrogen outlet 11 of nitrogen outlet 11h two, main shaft is carried out immediately after anti-
Wind, simultaneously close off the inverted ventilation Boiler pressure control air door 2 with auxiliary shaft UNICOM（The 1st air door 2m and the 2nd air door in Fig. 3
2n）, and the blast velocity control during auxiliary shaft inverted ventilation is passed through into the electricity on inverted ventilation Boiler pressure control air door 2 in 0.25m/s, the control of wind speed
Control adjusting window realizes remote control or on-site manual control, to control the distinguished and admirable flowing velocity of inverted ventilation, ground nitrogen storage station 1
By five annular nitrogen outlets 11 continue a large amount of nitrogen are injected into auxiliary shaft, using shaft bottom ingate 4 nearby and pit shaft
Interior oxygen concentration sensor 3 monitors oxygen concentration, by adjusting nitrogen flow, makes empty below the ignition point in auxiliary shaft
Oxygen content in gas is rapidly decreased to less than 10%, when hypoxic air passes through ignition point, will make ignition point because anoxic and
Asphyxia is extinguished, and reaches the effect of isolation fire extinguishing.
Certainly, it is to be also not limited to the example above to limitation of the present utility model, the utility model that described above, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in essential scope of the present utility model, also should
Belong to the scope of protection of the utility model.
Claims (1)
1. a kind of high efficiency fire extinguishing system suitable for well industrial and mineral well shaft, it is characterised in that include the nitrogen storage positioned at ground
Deposit station（1）, some annular nitrogen outlets（11）, back lass system and some inverted ventilation Boiler pressure control air doors（2）, in pit shaft
One annular nitrogen outlet is set at interval of certain distance from top to bottom on wall（11）, lead in shaft station and downcast bottom sheet
Apart from shaft bottom ingate in all tunnels（4）The position of certain distance is respectively provided with an annular nitrogen outlet（11）, the inverted ventilation
Boiler pressure control air door（2）It is arranged at the tunnel annular nitrogen outlet that shaft station leads to downcast bottom sheet（11）Downwind side,
To control the inverted ventilation air quantity of each downcast, some annular nitrogen outlets during realizing pit shaft inverted ventilation（11）Respectively with nitrogen
Gas accumulator plant（1）Connection forms parallel network, each annular nitrogen outlet（11）Independent switch is provided with to be used to open
Or close the release of nitrogen, annular nitrogen outlet described in each two（11）Between oxygen concentration sensor is set（3）It is if above-mentioned
Do annular nitrogen outlet（11）, inverted ventilation Boiler pressure control air door（2）Switch pass through ground remote control, remote control failure
When, can also be manually operated, the oxygen concentration sensor（3）Mine on-line monitoring monitoring system is accessed, realizes monitoring in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460902.2U CN206816291U (en) | 2017-04-28 | 2017-04-28 | Suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460902.2U CN206816291U (en) | 2017-04-28 | 2017-04-28 | Suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816291U true CN206816291U (en) | 2017-12-29 |
Family
ID=60753799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460902.2U Expired - Fee Related CN206816291U (en) | 2017-04-28 | 2017-04-28 | Suitable for the high efficiency fire extinguishing system of well industrial and mineral well shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206816291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145355A (en) * | 2019-06-14 | 2019-08-20 | 华北理工大学 | A kind of rubber conveyer fire smoke flow drainage device and method |
| CN110145355B (en) * | 2019-06-14 | 2024-05-17 | 华北理工大学 | Fire smoke flow drainage device and method for belt conveyor |
-
2017
- 2017-04-28 CN CN201720460902.2U patent/CN206816291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145355A (en) * | 2019-06-14 | 2019-08-20 | 华北理工大学 | A kind of rubber conveyer fire smoke flow drainage device and method |
| CN110145355B (en) * | 2019-06-14 | 2024-05-17 | 华北理工大学 | Fire smoke flow drainage device and method for belt conveyor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |