CN107744631A - A kind of nitrogen injection intelligent controlling device - Google Patents
A kind of nitrogen injection intelligent controlling device Download PDFInfo
- Publication number
- CN107744631A CN107744631A CN201711247328.3A CN201711247328A CN107744631A CN 107744631 A CN107744631 A CN 107744631A CN 201711247328 A CN201711247328 A CN 201711247328A CN 107744631 A CN107744631 A CN 107744631A
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- China
- Prior art keywords
- nitrogen
- note
- pipe
- controlling device
- intelligent controlling
- Prior art date
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 428
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 215
- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 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
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion 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
- 238000005516 engineering process Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000006073 displacement reaction 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
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000011664 signaling Effects 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
- 238000010586 diagram Methods 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
- 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
- 230000001360 synchronised effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered 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
- Health & Medical Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Public Health (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (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 note nitrogen pipe, reducing motor, fire-proof motor, speed probe and controller;Each note nitrogen pipe axially connects, and the lateral tube wall of each note nitrogen pipe is provided with note nitrogen aperture;The end of tail end note nitrogen pipe in each note nitrogen pipe is provided with nitrogen outlet, and the front end of head end note nitrogen pipe is provided with nitrogen inlet;The head end note nitrogen pipe passes through the hollow arbor of described reducing motor one end, is connected with the reducing motor, and the other end connection nitrogen interface of the reducing motor, the speed probe is arranged on the head end note nitrogen pipe;The reducing motor is connected with the fire-proof motor, and the speed probe, reducing motor and fire-proof motor are connected with the controller respectively.During nitrogen is noted, each note nitrogen pipe is repeatable to be utilized, and avoids and the waste of note nitrogen tubing is abandoned in goaf, and note nitrogen point is spatially continuous, can improve nitrogen injection effect.
Description
Technical field
The present invention relates to mine safety preventing and extinguishing fire technology field, is filled more particularly to a kind of nitrogen injection intelligent control
Put.
Background technology
At present in China's coal-mine accident, the fire incident triggered by coal spontaneous combustion accounts for very big proportion, and mine fire is not only
The safety in production in meeting serious threat colliery, threatens the life security of operating personnel, and substantial amounts of coal resources can be caused to lose,
Generation toxic and harmful gas causes seriously to pollute.The technology of fire prevention and extinction by nitrogen injection is the conventional prevention in current colliery with administering 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 intake lane, with
The propulsion of working face, starts to note nitrogen when noting nitrogen mouth and entering goaf autoxidation band, while be separated by certain step pitch and bury
Article 2 notes nitrogen pipeline, notes nitrogen using Article 2 pipeline when the Article 2 note nitrogen mouth of pipe enters goaf autoxidation band, simultaneously
First note nitrogen pipeline, and embedded next note nitrogen pipeline are disabled, repetitive cycling is until working face extraction terminates.Nitrogen injection with buried pipe is prevented
Following three points defect be present in fire-fighting technique:
(1) it is spatially discontinuous to note nitrogen point, note nitrogen inerting efficiency can be had a strong impact on, reaches 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) noting the techniques such as the transport of nitrogen pipeline, installation needs manual labor, add the hand labor of note nitrogen technique into
This.
The content of the invention
It is an object of the invention to provide a kind of nitrogen injection intelligent controlling device, and the company of note nitrogen point spatially can be achieved
Continuous property.
To achieve the above object, the invention provides following scheme:
A kind of nitrogen injection intelligent controlling device, the nitrogen injection intelligent controlling device include:More piece note nitrogen pipe,
Reducing motor, fire-proof motor, speed probe and controller;
Each note nitrogen pipe axially connects, and the lateral tube wall of each note nitrogen pipe is provided with note nitrogen aperture;Each note
The end of tail end note nitrogen pipe in nitrogen pipe is provided with nitrogen outlet, and the front end of head end note nitrogen pipe is provided with nitrogen inlet;
The head end note nitrogen pipe passes through the hollow arbor of described reducing motor one end, is connected with the reducing motor, described
The other end connection nitrogen interface of reducing motor, the speed probe are arranged on the head end note nitrogen pipe;The electricity that slows down
Machine is connected with the fire-proof motor, and the speed probe, reducing motor and fire-proof motor are connected with the controller respectively.
Optionally, the nitrogen injection intelligent controlling device also includes drive socket, fixes sleeve, drive gear mechanism
And reset motor;
The drive socket and fixes sleeve are provided with the hollow arbor;The outer surface of the drive socket is provided with institute
State drive gear mechanism;The first gear that sleeve resets motor crankshaft engages with the second gear of the drive gear mechanism, and
The sleeve resets motor and is connected 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 also includes fixed guide rail and hold-down support, described to 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 also includes:
Flow sensor, it is arranged at the nitrogen interface, is connected with the controller, for detects the note nitrogen stream
Amount, and send to the controller.
Optionally, the nitrogen injection intelligent controlling device also includes swivel joint, and the swivel joint is arranged on institute
State on the delivery outlet of reducing motor, and the reducing motor is connected by the swivel joint with the nitrogen interface.
Optionally, insertion 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 also 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 also 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 effect:
By the way that more piece is noted into nitrogen pipe, axially connection is set nitrogen injection intelligent controlling device of the present invention, and in each note nitrogen
Note nitrogen aperture is equipped with the lateral tube wall of pipe;The end of tail end note nitrogen pipe in the note nitrogen pipe is provided with nitrogen outlet, head end
The front end of note nitrogen pipe is provided with nitrogen inlet, and head end note nitrogen pipe passes through the hollow arbor of described reducing motor one end, in note nitrogen mistake
Cheng Zhong, it is each to note the repeatable utilization of nitrogen pipe, avoid and the waste of note nitrogen tubing is abandoned in goaf, and note nitrogen point and spatially connect
It is continuous, nitrogen injection effect can be improved, sets speed probe to be arranged on reducing motor on head end note nitrogen pipe, passes through revolution speed sensing
Device, reducing motor and controller, the note nitrogen process of note nitrogen pipe is can control, improve the automaticity of note nitrogen, reduce human resources
Use.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are 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 accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of nitrogen injection intelligent controlling device of the embodiment of the present invention;
Fig. 2 is that head end notes the structural representation that nitrogen pipe sets reinforcing sleeve with hollow arbor junction;
Fig. 3 is drive socket resetting means schematic diagram.
Symbol description:
1-note nitrogen pipe, 2-screw thread, 3-nitrogen outlet, 4-note nitrogen aperture, 5-steel wire rope, 6-drive socket, 7-lead
Draw screw thread, 8-reset motor, 9-hold-down support, 10-speed probe, 11-fixes sleeve, 12-reductor, 13-anti-
Quick-fried motor, 14-swivel joint, 15-flow sensor, 16-hollow arbor, 17-controller, 18-nitrogen interface, 19-
Limit sensors, 20-guide rail, 21-reinforcing sleeve, 22-pin for suppressing metal, 23-second gear, 24-first gear, 25-multiple
Position motor crankshaft.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of nitrogen injection intelligent controlling device, is axially connected by the way that more piece is noted into nitrogen pipe
Set, and note nitrogen aperture is equipped with the lateral tube wall of each note nitrogen pipe;The end of tail end note nitrogen pipe in the note nitrogen pipe
Provided with nitrogen outlet, the front end of head end note nitrogen pipe is provided with nitrogen inlet, and head end note nitrogen pipe passes through described reducing motor one end
Hollow arbor, it is each to note the repeatable utilization of nitrogen pipe during nitrogen is noted, avoid and the waste of note nitrogen tubing is abandoned in goaf, and
It is spatially continuous to note nitrogen point, nitrogen injection effect can be improved, sets speed probe to be arranged on deceleration on head end note nitrogen pipe
Motor, by speed probe, reducing motor and controller, the note nitrogen process of note nitrogen pipe is can control, improves the automation of note nitrogen
Degree, reduce the use of human resources.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in figure 1, nitrogen injection intelligent controlling device of the present invention includes more piece note nitrogen pipe 1, reducing motor 12, explosion-proof
Motor 13, speed probe 10 and controller 17.
Wherein, each axially connection of note nitrogen pipe 1, and the lateral tube wall of each note nitrogen pipe 1 is provided with note nitrogen aperture 4;
The end of tail end note nitrogen pipe in each note nitrogen pipe is provided with nitrogen outlet 3, and the front end of head end note nitrogen pipe is provided with nitrogen inlet.
The head end note nitrogen pipe passes through the hollow arbor 16 of described one end of reducing motor 12, connects with the reducing motor 12
Connect, the other end connection nitrogen interface 18 of the reducing motor 12, the speed probe 10 is arranged on the head end note nitrogen pipe
On;The reducing motor 12 is connected with the fire-proof motor 13, the speed probe 10, reducing motor 12 and fire-proof motor 13
It is connected respectively with the controller 17.In the present embodiment, the controller 17 is that PLC logic controllers and/or panel control
Device.
Further, insertion 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
State at nitrogen outlet 3 and at nitrogen inlet.
To prevent gas leakage, nitrogen injection intelligent controlling device of the present invention also includes end cap, and the end cap is arranged on 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 is into tiltedly rearwardly through the lateral tube wall of each note nitrogen pipe 1, can preventing that noting nitrogen pipe 1 revolves
Turn the situation of generation line clogging in distraction procedure.By setting steel wire rope 5 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 reductor 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 of the head end note 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, rebasing wooden unit is additionally provided with,
To ensure that the center of each note nitrogen pipe keeps a horizontal linear, avoid the pipeline for noting nitrogen pipe from producing bending and occur in twist process
Fracture.
For realization device transmission traction work, nitrogen injection intelligent controlling device of the present invention also 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 with the hollow arbor 16;The drive socket 6
Outer surface is provided 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 is connected 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 the hollow rotation of arbor 16, traction screw thread 7 is interior with drive socket 6
Screw thread is engaged, and the pipeline of drive socket 6 to note nitrogen pipe provides the axial force to outside goaf, 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 termination, the limit sensors 19 are sent
Position signalling, the controller 17 controls the power switch for disconnecting motor for speed reducer 12 according to position signalling, 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 also includes fixed guide rail 20 and hold-down support 9, institute
State 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, in nitrogen pipe distraction procedure is noted, when drive socket 6 is moved to the least significant end of traction screw thread 7, controlling
Under the control of device 17, the power supply of motor for speed reducer 12 disconnects, and pulls down the fore-set of drive socket 6 and fixes sleeve 11, makes fixed cover
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, reversely rotates drive socket, and traction screw thread 7 provides axial thrust force to drive socket 6, makes it
Automatic cycle initial position, reset motor 8 and together resetted with drive socket 6 along fixed guide rail 20, return to init state, weight
New settings hauling distance, repetition circulate next time.
Reductor 12 is equipped with fire-proof motor 13, and power is provided for reductor.The bottom installation of the fixed guide rail 20 is fixed
Bearing 9, the bottom of hold-down support 9 are provided with roller, at work by the roller, nitrogen injection of the present invention is intelligently controlled
The miscellaneous part of device processed keeps the synchronous direction to outside goaf to move with note nitrogen pipe 1.
Further, as shown in figure 1, nitrogen injection intelligent controlling device of the present invention also includes flow sensor 15, stream
Quantity sensor 15 is arranged at the nitrogen interface, is connected with the controller 17, for detecting the note nitrogen flow, and is sent
To the controller.
Optionally, the nitrogen injection intelligent controlling device also includes swivel joint 14, and the swivel joint 14 is set
On the delivery outlet of the reducing motor, and the reducing motor is connected by the swivel 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, the real-time monitoring to noting nitrogen flow can be achieved, because note nitrogen pipeline diameter is fixed with motion thread step pitch, can be turned by rotating speed
Get the hauling speed and hauling distance of note nitrogen pipeline in return, the real-time monitoring to note nitrogen pipeline hauling speed and distance can be achieved.
In addition, nitrogen injection intelligent controlling device of the present invention also includes display, the display and the controller
17 connections, uninterrupted, the rotating speed for noting nitrogen pipe and displacement for showing nitrogen pipeline etc..
Relative to prior art, nitrogen injection intelligent controlling device of the present invention has advantages below:
(1) continuity of note nitrogen point spatially can be realized, the inerting effect of note nitrogen can be effectively improved, nitrogen is saved and disappear
Consumption and time cost.
(2) note nitrogen pipeline can be utilized repeatedly, can be avoided abandoning to waste in goaf noting nitrogen tubing, be reduced process costs,
More economically.
(3) note nitrogen can be achieved and cross process automation, 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 of note nitrogen parameter can be realized, is easy to implement monitoring to note nitrogen operation, can improve system can
By property.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention;Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of nitrogen injection intelligent controlling device, it is characterised in that the nitrogen injection intelligent controlling device includes:It is more
Section note nitrogen pipe, reducing motor, fire-proof motor, speed probe and controller;
Each note nitrogen pipe axially connects, and the lateral tube wall of each note nitrogen pipe is provided with note nitrogen aperture;Each note nitrogen pipe
In the end of tail end note nitrogen pipe be provided with nitrogen outlet, the front end that head end notes nitrogen pipe is provided with nitrogen inlet;
The head end note nitrogen pipe passes through the hollow arbor of described reducing motor one end, is connected with the reducing motor, the deceleration
The other end connection nitrogen interface of motor, the speed probe are arranged on the head end note nitrogen pipe;The reducing motor with
The fire-proof motor connection, the speed probe, reducing motor and fire-proof motor are connected with the controller respectively.
2. nitrogen injection intelligent controlling device according to claim 1, it is characterised in that the nitrogen injection intelligence
Control device also includes drive socket, fixes sleeve, drive gear mechanism and resets motor;
The drive socket and fixes sleeve are provided with the hollow arbor;The outer surface of the drive socket is provided with the biography
Moving gear mechanism;The first gear that sleeve resets motor crankshaft engages with the second gear of the drive gear mechanism, and described
Sleeve resets motor and is connected with the controller.
3. nitrogen injection intelligent controlling device according to claim 1, it is characterised in that the appearance of the hollow arbor
Face is provided with traction screw thread, the inner surface threaded engagement with the drive socket.
4. nitrogen injection intelligent controlling device according to claim 3, it is characterised in that the both ends of the traction screw thread
Limit sensors are respectively arranged with, the limit sensors are connected with the controller.
5. nitrogen injection intelligent controlling device according to claim 2, it is characterised in that the nitrogen injection intelligence
Control device also 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.
6. nitrogen injection intelligent controlling device according to claim 1, it is characterised in that the nitrogen injection intelligence
Control device also includes:
Flow sensor, it is arranged at the nitrogen interface, is connected with the controller, for detecting the note nitrogen flow, and
Send to the controller.
7. nitrogen injection intelligent controlling device according to claim 1, it is characterised in that the nitrogen injection intelligence
Control device also includes swivel joint, and the swivel joint is arranged on the delivery outlet of the reducing motor, and the electricity that slows down
Machine is connected by the swivel joint with the nitrogen interface.
8. nitrogen injection intelligent controlling device according to claim 1, it is characterised in that insertion is set in each section note nitrogen pipe
Steel wire rope is equipped with, the both ends of the steel wire rope are separately fixed at the nitrogen outlet and at nitrogen inlet.
9. nitrogen injection intelligent controlling device according to claim 8, it is characterised in that the nitrogen injection intelligence
Control device also includes end cap, is arranged at the nitrogen outlet, and for closing the nitrogen outlet, and the steel wire rope is fixed
On the end cap.
10. the nitrogen injection intelligent controlling device according to any one of claim 1-9, it is characterised in that the note
Nitrogen fire extinguishing intelligent controlling device also includes reinforcing sleeve, and the reinforcing sleeve is set in the head end note nitrogen pipe and the hollow arbor
Junction.
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CN201711247328.3A CN107744631B (en) | 2017-12-01 | 2017-12-01 | A kind of nitrogen injection intelligent controlling device |
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CN201711247328.3A CN107744631B (en) | 2017-12-01 | 2017-12-01 | A kind of nitrogen injection intelligent controlling device |
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CN107744631A true CN107744631A (en) | 2018-03-02 |
CN107744631B CN107744631B (en) | 2018-11-02 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110821546A (en) * | 2019-10-22 | 2020-02-21 | 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 |
CN114112558A (en) * | 2021-11-30 | 2022-03-01 | 西安科技大学 | Collecting space area coal spontaneous combustion intelligence developments circulating gas sampling prevention and control system |
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EP0824941A2 (en) * | 1996-08-16 | 1998-02-25 | Minimax GmbH | Fire extinguisher with inert gas |
CN101618255A (en) * | 2008-06-30 | 2010-01-06 | 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 |
CN203935543U (en) * | 2014-05-29 | 2014-11-12 | 浙江日新电气有限公司 | Oil-drainage nitrogen-filling fire-extinguishing |
WO2015014009A1 (en) * | 2013-07-30 | 2015-02-05 | Chan So | Drilling and through-wall fire extinguishing device |
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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2017
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0824941A2 (en) * | 1996-08-16 | 1998-02-25 | Minimax GmbH | Fire extinguisher with inert gas |
CN101618255A (en) * | 2008-06-30 | 2010-01-06 | 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 |
WO2015014009A1 (en) * | 2013-07-30 | 2015-02-05 | Chan So | Drilling and through-wall fire extinguishing device |
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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110821546A (en) * | 2019-10-22 | 2020-02-21 | 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 |
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 |
CN114112558A (en) * | 2021-11-30 | 2022-03-01 | 西安科技大学 | Collecting space area coal spontaneous combustion intelligence developments circulating gas sampling prevention and control system |
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 |
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