CN107744631B - A kind of nitrogen injection intelligent controlling device - Google Patents
A kind of nitrogen injection intelligent controlling device Download PDFInfo
- Publication number
- CN107744631B CN107744631B CN201711247328.3A CN201711247328A CN107744631B CN 107744631 B CN107744631 B CN 107744631B CN 201711247328 A CN201711247328 A CN 201711247328A CN 107744631 B CN107744631 B CN 107744631B
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- controlling device
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 424
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 213
- 238000002347 injection Methods 0.000 title claims abstract description 45
- 239000007924 injection Substances 0.000 title claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 12
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000006701 autoxidation reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
-
- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
Landscapes
- Mining & Mineral Resources (AREA)
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Emergency Management (AREA)
- Biodiversity & Conservation Biology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Ecology (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention discloses a kind of nitrogen injection intelligent controlling device, and the nitrogen injection intelligent controlling device includes：More piece notes nitrogen pipe, decelerating motor, fire-proof motor, speed probe and controller；Each note nitrogen pipe is axially connected to, and the lateral tube wall of each note nitrogen pipe is equipped with note nitrogen aperture；The end of tail end note nitrogen pipe in each note nitrogen pipe is equipped with nitrogen outlet, and the front end that head end notes nitrogen pipe is equipped with nitrogen inlet；The head end note nitrogen pipe passes through the hollow arbor of described decelerating motor one end, is connect with the decelerating motor, and the other end of the decelerating motor is connected to nitrogen interface, and the speed probe setting is on head end note nitrogen pipe；The decelerating motor is connect with the fire-proof motor, and the speed probe, decelerating motor and fire-proof motor are connect with the controller respectively.During noting nitrogen, each note nitrogen pipe is repeatable to be utilized, and is avoided and is abandoned the waste of note nitrogen tubing in goaf, and note nitrogen point is spatially continuous, and nitrogen injection effect can be improved.
Description
Technical field
The present invention relates to mine safety preventing and extinguishing fire technology fields, are filled more particularly to a kind of nitrogen injection intelligent control
It sets.
Background technology
At present in China's coal-mine accident, the fire incident caused by coal spontaneous combustion accounts for very big proportion, and mine fire is not only
The safety in production that coal mine can be seriously threatened threatens the life security of operating personnel, and a large amount of coal resources can be caused to lose,
Toxic and harmful gas is generated to cause seriously to pollute.The technology of fire prevention and extinction by nitrogen injection is that current coal mine commonly prevents and administers goaf coal
The main method of spontaneous combustion.
China's coal-mine commonly uses nitrogen injection with buried pipe preventing and extinguishing fire technology at this stage, i.e., arranges note nitrogen pipeline along working face air inlet, with
The propulsion for working face starts to note nitrogen when noting nitrogen mouth and entering goaf autoxidation band, while it is embedded to be separated by certain step pitch
Article 2 notes nitrogen pipeline, notes nitrogen using Article 2 pipeline when Article 2 note nitrogen nozzle enters goaf autoxidation band, simultaneously
First note nitrogen pipeline, and embedded next note nitrogen pipeline are deactivated, repetitive cycling is until working face extraction terminates.Nitrogen injection with buried pipe is anti-
There are following three points defects for fire-fighting technique：
(1) note nitrogen point is spatially discontinuous, can seriously affect note nitrogen inerting efficiency, reach and note nitrogen quantity needed for requirement effect
Greatly, waste of resource.
(2) note nitrogen pipeline, which is discarded in goaf, is unable to recycling, causes material resources to waste, improves note nitrogen work
Skill cost.
(3) note nitrogen pipeline transport, installation etc. techniques need manual labor, increase note nitrogen technique hand labor at
This.
Invention content
The object of the present invention is to provide a kind of nitrogen injection intelligent controlling device, it can be achieved that the company of note nitrogen point spatially
Continuous property.
To achieve the above object, the present invention provides following schemes：
A kind of nitrogen injection intelligent controlling device, the nitrogen injection intelligent controlling device include：More piece note nitrogen pipe,
Decelerating motor, fire-proof motor, speed probe and controller；
Each note nitrogen pipe is axially connected to, and the lateral tube wall of each note nitrogen pipe is equipped with note nitrogen aperture；Each note
The end of tail end note nitrogen pipe in nitrogen pipe is equipped with nitrogen outlet, and the front end that head end notes nitrogen pipe is equipped with nitrogen inlet；
The head end note nitrogen pipe passes through the hollow arbor of described decelerating motor one end, is connect with the decelerating motor, described
The other end of decelerating motor is connected to nitrogen interface, and the speed probe setting is on head end note nitrogen pipe；The deceleration electricity
Machine is connect with the fire-proof motor, and the speed probe, decelerating motor and fire-proof motor are connect with the controller respectively.
Optionally, the nitrogen injection intelligent controlling device further includes drive socket, fixes sleeve, drive gear mechanism
And reset motor；
It is provided with the drive socket and fixes sleeve on the hollow arbor；The outer surface of the drive socket is equipped with institute
State drive gear mechanism；The first gear that sleeve resets motor crankshaft is engaged with the second gear of the drive gear mechanism, and
The sleeve resets motor and is connect with the controller.
Optionally, the outer surface of the hollow arbor is provided with traction screw thread, the inner surface screw thread with the drive socket
Occlusion.
Optionally, the both ends of the traction screw thread are respectively arranged with limit sensors, the limit sensors and the control
Device connection processed.
Optionally, the nitrogen injection intelligent controlling device further includes fixed guide rail and hold-down support, the reset electricity
Machine is fixed on the fixed guide rail, and the fixed guide rail is fixedly connected with the hold-down support.
Optionally, the nitrogen injection intelligent controlling device further includes：
Flow sensor is arranged at the nitrogen interface, is connect with the controller, for detecting the note nitrogen stream
Amount, and it is sent to the controller.
Optionally, the nitrogen injection intelligent controlling device further includes rotary joint, and the rotary joint is arranged in institute
It states on the delivery outlet of decelerating motor, and the decelerating motor is connected to by the rotary joint with the nitrogen interface.
Optionally, perforation is provided with steel wire rope in each section note nitrogen pipe, and the both ends of the steel wire rope are separately fixed at the nitrogen
At gas outlet and nitrogen inlet.
Optionally, the nitrogen injection intelligent controlling device further includes end cap, is arranged at the nitrogen outlet, is used for
The nitrogen outlet is closed, and the steel wire rope is fixed on the end cap.
Optionally, the nitrogen injection intelligent controlling device further includes reinforcing sleeve, and the reinforcing sleeve is set in the head
The junction of end note nitrogen pipe and the hollow arbor.
According to specific embodiment provided by the invention, the invention discloses following technique effects：
By the way that more piece is noted nitrogen pipe, axially connection is arranged nitrogen injection intelligent controlling device of the present invention, and in each note nitrogen
Note nitrogen aperture is equipped on the lateral tube wall of pipe；The end of tail end note nitrogen pipe in the note nitrogen pipe is equipped with nitrogen outlet, head end
The front end for noting nitrogen pipe is equipped with nitrogen inlet, and head end note nitrogen pipe passes through the hollow arbor of described decelerating motor one end, in note nitrogen mistake
Cheng Zhong, it is each to note the repeatable utilization of nitrogen pipe, it avoids and abandons the waste of note nitrogen tubing in goaf, and note nitrogen point and spatially connect
It is continuous, nitrogen injection effect can be improved, setting speed probe is arranged in decelerating motor on head end note nitrogen pipe, passes through revolution speed sensing
Device, decelerating motor and controller can control the note nitrogen process of note nitrogen pipe, improve the degree of automation of note nitrogen, reduce human resources
Use.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of nitrogen injection intelligent controlling device of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram that head end notes that reinforcing sleeve is arranged with hollow arbor junction for nitrogen pipe；
Fig. 3 is drive socket resetting apparatus schematic diagram.
Symbol description：
1-note nitrogen pipe, 2-screw threads, 3-nitrogen outlets, 4-note nitrogen apertures, 5-steel wire ropes, 6-drive sockets, 7-lead
Draw screw thread, 8-reset motor, and 9-hold-down supports, 10-speed probes, 11-fixes sleeves, 12-speed reducers, 13-is anti-
Quick-fried motor, 14-rotary joints, 15-flow sensors, 16-hollow arbors, 17-controllers, 18-nitrogen interfaces, 19-
Limit sensors, 20-guide rails, 21-reinforcing sleeves, 22-pins for suppressing metal, 23-second gears, 24-first gears, 25-is multiple
Position motor crankshaft.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of nitrogen injection intelligent controlling devices, are axially connected to by the way that more piece is noted nitrogen pipe
Setting, and it is equipped with note nitrogen aperture on the lateral tube wall of each note nitrogen pipe；The end of tail end note nitrogen pipe in the note nitrogen pipe
Equipped with nitrogen outlet, the front end that head end notes nitrogen pipe is equipped with nitrogen inlet, and head end note nitrogen pipe passes through described decelerating motor one end
Hollow arbor, it is each to note the repeatable utilization of nitrogen pipe during noting nitrogen, it avoids and abandons the waste of note nitrogen tubing in goaf, and
It is spatially continuous to note nitrogen point, nitrogen injection effect can be improved, setting speed probe, which is arranged, on head end note nitrogen pipe is slowing down
Motor can control the note nitrogen process of note nitrogen pipe by speed probe, decelerating motor and controller, improve the automation of note nitrogen
Degree reduces the use of human resources.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, nitrogen injection intelligent controlling device of the present invention include more piece note nitrogen pipe 1, it is decelerating motor 12, explosion-proof
Motor 13, speed probe 10 and controller 17.
Wherein, the axial connection of each note nitrogen pipe 1, and the lateral tube wall of each note nitrogen pipe 1 is equipped with note nitrogen aperture 4；
The end of tail end note nitrogen pipe in each note nitrogen pipe is equipped with nitrogen outlet 3, and the front end that head end notes nitrogen pipe is equipped with nitrogen inlet.
The head end note nitrogen pipe passes through the hollow arbor 16 of 12 one end of the decelerating motor, connects with the decelerating motor 12
It connects, the other end of the decelerating motor 12 is connected to nitrogen interface 18, and the setting of the speed probe 10 notes nitrogen pipe in the head end
On；The decelerating motor 12 is connect with the fire-proof motor 13, the speed probe 10, decelerating motor 12 and fire-proof motor 13
It is connect respectively with the controller 17.In the present embodiment, the controller 17 is that PLC logic controllers and/or panel control
Device.
Further, perforation is provided with steel wire rope 5 in each section note nitrogen pipe 1, and the both ends of the steel wire rope 5 are separately fixed at institute
It states at nitrogen outlet 3 and at nitrogen inlet.
To prevent gas leakage, nitrogen injection intelligent controlling device of the present invention further includes end cap, and the end cap is arranged described
At nitrogen outlet 3, for closing the nitrogen outlet 3, and the steel wire rope 5 is fixed on the end cap.
Preferably, the note nitrogen aperture 4, rearwardly through the lateral tube wall of each note nitrogen pipe 1, can prevent from noting 1 rotation of nitrogen pipe at tiltedly
Turn in distraction procedure that there is a situation where line cloggings.By the way that steel wire rope 5 is arranged in pipe, and it is fixedly connected on nitrogen outlet 3
On end cap, whether the pipeline of detectable note nitrogen pipe is damaged, and when pipeline is broken, steel wire rope 5 can also disconnect therewith.
Further, head end note nitrogen pipe passes through the hollow arbor 16 of speed reducer 12, and is connected through a screw thread, and is noted in head end
The junction of nitrogen pipe and the hollow arbor is arranged the reinforcing (as shown in Figure 2) of reinforcing sleeve 21, can bonding strength between enhanced tube.It is preferred that
, the reinforcing sleeve 21 is fixed on the junction that the head end notes nitrogen pipe and the hollow arbor by pin for suppressing metal 22.In addition,
After the junction of the head end note nitrogen pipe and the hollow arbor is reinforced by the reinforcing sleeve 21, it is additionally provided with rebasing wooden unit,
To ensure that the center of each note nitrogen pipe keeps a horizontal linear, avoids the pipeline of note nitrogen pipe from generating bending and occur in twist process
Fracture.
For realization device transmission traction work, nitrogen injection intelligent controlling device of the present invention further include drive socket 6,
Fixes sleeve 11, drive gear mechanism and reset motor 8.
Wherein, the drive socket 6 and fixes sleeve 11 are provided on the hollow arbor 16；The drive socket 6
Outer surface is equipped with the drive gear mechanism；Sleeve resets the first gear 24 of motor crankshaft 25 and the drive gear mechanism
Second gear 23 engages (as shown in Figure 3), and the sleeve resets motor and connect with the controller.By drive socket 6 with
Fixes sleeve 11 is fixed with fore-set to ensure stability of the note nitrogen pipe 1 during swing offset.
Preferably, the outer surface of the hollow arbor 16 is provided with traction screw thread 7, the traction screw thread 7 and the transmission
The inner surface threaded engagement of sleeve 6.When fire-proof motor 13 drives hollow arbor 16 to rotate, traction screw thread 7 is interior with drive socket 6
Screw thread matches, and drive socket 6 provides the axial force outside goaf to the pipeline of note nitrogen pipe, and traction note nitrogen pipeline is to outside goaf
Displacement.
Further, the both ends of the traction screw thread 7 are respectively arranged with limit sensors 19, the limit sensors 19 with
The controller 17 connects.When drive socket 6 is moved to close to traction screw thread both ends end, the limit sensors 19 are sent out
Position signal, the controller 17 controls the power switch for disconnecting motor for speed reducer 12 according to position signal, to prevent drive sleeve
Cylinder 6 leaves traction screw thread 7 or notes the pipeline displacement of nitrogen pipe beyond setting length.
As shown in Figure 1, nitrogen injection intelligent controlling device of the present invention further includes fixed guide rail 20 and hold-down support 9, institute
It states reset motor 8 to be fixed on the fixed guide rail 20, the fixed guide rail 20 is fixedly connected with the hold-down support 9.
Specifically, it in noting nitrogen pipe distraction procedure, when drive socket 6 is moved to the least significant end of traction screw thread 7, is controlling
Under the control of device 17, the power supply of motor for speed reducer 12 disconnects, and removes the fore-set of drive socket 6 and fixes sleeve 11, makes fixing sleeve
Cylinder 11 is moved to initial position, is opened by controller 17 and resets motor 8, by the first gear and drive sleeve that reset motor 8
Drive gear mechanism outside cylinder, makes drive socket reversely rotate, and traction screw thread 7 provides axial thrust force to drive socket 6, makes it
Automatic cycle initial position resets motor 8 and is resetted together with drive socket 6 along fixed guide rail 20, is restored to init state, weight
New settings hauling distance, repetition recycle next time.
Speed reducer 12 is equipped with fire-proof motor 13, and power is provided for speed reducer.The bottom installation of the fixed guide rail 20 is fixed
The bottom of bearing 9, hold-down support 9 is provided with idler wheel, at work by the idler wheel, nitrogen injection of the present invention is made intelligently to control
The other component of device processed is synchronous with the note holding of nitrogen pipe 1 to be moved to goaf outside direction.
Further, as shown in Figure 1, nitrogen injection intelligent controlling device of the present invention further includes flow sensor 15, stream
Quantity sensor 15 is arranged at the nitrogen interface, connect with the controller 17, for detecting the note nitrogen flow, and sends
To the controller.
Optionally, the nitrogen injection intelligent controlling device further includes rotary joint 14, and the rotary joint 14 is arranged
On the delivery outlet of the decelerating motor, and the decelerating motor is connected to by the rotary joint 14 with the nitrogen interface.
Flow sensor 15 is set at nitrogen interface 18, speed probe 10, sensor connection control are set by note nitrogen pipe
Device 17 is, it can be achieved that the real-time monitoring to noting nitrogen flow can be turned because note nitrogen pipeline diameter is fixed with motion thread step pitch by rotating speed
Hauling speed and the hauling distance of note nitrogen pipeline are got in return, it can be achieved that real time monitoring to noting nitrogen pipeline hauling speed and distance.
In addition, nitrogen injection intelligent controlling device of the present invention further includes display, the display and the controller
17 connections, uninterrupted, the rotating speed for noting nitrogen pipe and displacement etc. for showing nitrogen pipeline.
Compared with the existing technology, nitrogen injection intelligent controlling device of the present invention has the following advantages：
(1) it can realize the continuity of note nitrogen point spatially, the inerting effect of note nitrogen can be effectively improved, save nitrogen and disappear
Consumption and time cost.
(2) note nitrogen pipeline can be utilized repeatedly, be can avoid abandoning waste note nitrogen tubing in goaf, reduced process costs,
More economically.
(3) note nitrogen process automation can be achieved, reduce the link of transport installation pipeline, save human labor resource, and carry
High mechanization of operation degree, the stability of lifting system.
(4) visualization that can realize note nitrogen parameter, convenient for implementing monitoring to note nitrogen operation, can be improved system can
By property.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Principle and implementation of the present invention are described for specific case used herein, and above example is said
The bright method and its core concept for being merely used to help understand the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (7)
1. a kind of nitrogen injection intelligent controlling device, which is characterized in that the nitrogen injection intelligent controlling device includes：It is more
Section note nitrogen pipe, decelerating motor, fire-proof motor, speed probe and controller；
Each note nitrogen pipe is axially connected to, and the lateral tube wall of each note nitrogen pipe is equipped with note nitrogen aperture；Each note nitrogen pipe
In tail end note nitrogen pipe end be equipped with nitrogen outlet, head end note nitrogen pipe front end be equipped with nitrogen inlet；
The head end note nitrogen pipe passes through the hollow arbor of described decelerating motor one end, is connect with the decelerating motor, the deceleration
The other end of motor is connected to nitrogen interface, and the speed probe setting is on head end note nitrogen pipe；The decelerating motor with
The fire-proof motor connection, the speed probe, decelerating motor and fire-proof motor are connect with the controller respectively；
The nitrogen injection intelligent controlling device further includes drive socket, fixes sleeve, drive gear mechanism and resets motor；
It is provided with the drive socket and fixes sleeve on the hollow arbor；The outer surface of the drive socket is equipped with the biography
Moving gear mechanism；The first gear that sleeve resets motor crankshaft is engaged with the second gear of the drive gear mechanism, and described
Sleeve resets motor and is connect with the controller；
The outer surface of the hollow arbor is provided with traction screw thread, the inner surface threaded engagement with the drive socket；
The both ends of the traction screw thread are respectively arranged with limit sensors, and the limit sensors are connect with the controller, when
When the drive socket is moved to close to the traction screw thread both ends end, the limit sensors send position signal, described
Controller disconnects the power switch of the decelerating motor according to position signal control, to prevent the drive socket from leaving institute
The pipeline displacement of traction screw thread or the note nitrogen pipe is stated beyond setting length.
2. nitrogen injection intelligent controlling device according to claim 1, which is characterized in that the nitrogen injection intelligence
Control device further includes fixed guide rail and hold-down support, and the reset motor is fixed on the fixed guide rail, and the fixation is led
Rail is fixedly connected with the hold-down support.
3. nitrogen injection intelligent controlling device according to claim 1, which is characterized in that the nitrogen injection intelligence
Control device further includes：
Flow sensor is arranged at the nitrogen interface, is connect with the controller, for detecting the note nitrogen flow, and
It is sent to the controller.
4. nitrogen injection intelligent controlling device according to claim 1, which is characterized in that the nitrogen injection intelligence
Control device further includes rotary joint, and the rotary joint is arranged on the delivery outlet of the decelerating motor, and deceleration electricity
Machine is connected to by the rotary joint with the nitrogen interface.
5. nitrogen injection intelligent controlling device according to claim 1, which is characterized in that perforation is set in each section note nitrogen pipe
It is equipped with steel wire rope, the both ends of the steel wire rope are separately fixed at the nitrogen outlet and at nitrogen inlet.
6. nitrogen injection intelligent controlling device according to claim 5, which is characterized in that the nitrogen injection intelligence
Control device further includes end cap, is arranged at the nitrogen outlet, for closing the nitrogen outlet, and the steel wire rope is fixed
On the end cap.
7. the nitrogen injection intelligent controlling device according to any one of claim 1-6, which is characterized in that the note nitrogen
Fire extinguishing intelligent controlling device further includes reinforcing sleeve, and the reinforcing sleeve is set in the head end note nitrogen pipe and the hollow arbor
Junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247328.3A CN107744631B (en) | 2017-12-01 | 2017-12-01 | A kind of nitrogen injection intelligent controlling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247328.3A CN107744631B (en) | 2017-12-01 | 2017-12-01 | A kind of nitrogen injection intelligent controlling device |
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| CN107744631A CN107744631A (en) | 2018-03-02 |
| CN107744631B true CN107744631B (en) | 2018-11-02 |
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Families Citing this family (2)
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| CN110821546B (en) * | 2019-10-22 | 2021-11-05 | 山西潞安矿业(集团)有限责任公司 | Equipment and process method for preventing spontaneous combustion of goaf by accurately injecting inert gas |
| CN114112558B (en) * | 2021-11-30 | 2024-01-19 | 西安科技大学 | Goaf coal spontaneous combustion intelligent dynamic circulating gas sampling prevention and control system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE59708546D1 (en) * | 1996-08-16 | 2002-11-28 | Preussag Ag Minimax | extinguisher |
| CN101618255B (en) * | 2008-06-30 | 2011-11-09 | 兖州煤业股份有限公司 | Mine carbon dioxide fire prevention and extinguishment technology and device therefor |
| CN201533958U (en) * | 2009-08-17 | 2010-07-28 | 山东齐林电科电力设备制造有限公司 | Intelligent fire extinguishing apparatus of oil extraction nitrogen injection type transformer |
| CN103611227B (en) * | 2013-07-30 | 2015-12-09 | 陈苏 | To get into the cave extinguishing device through walls |
| CN203935543U (en) * | 2014-05-29 | 2014-11-12 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
| CN105525940A (en) * | 2016-01-18 | 2016-04-27 | 朱红青 | Automatic-control rotational traction type nitrogen injection fire preventing and extinguishing device |
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