CN110441877A - A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method - Google Patents
A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method Download PDFInfo
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- CN110441877A CN110441877A CN201910759001.7A CN201910759001A CN110441877A CN 110441877 A CN110441877 A CN 110441877A CN 201910759001 A CN201910759001 A CN 201910759001A CN 110441877 A CN110441877 A CN 110441877A
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- Prior art keywords
- beam tube
- sheath
- compound umbilical
- temperature
- umbilical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/324—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres using Raman scattering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube, including beam tube (6) and it is arranged in the temperature sensing optical cable (7) of beam tube (6) outer layer, at least provided with two-stage sheath on the outside of the beam tube (6), respectively first order sheath and second level sheath, the first order sheath is wrapped on beam tube (6), wirerope (4) and gasket for packing (5) are equipped in it, second level sheath is equipped on the outside of the first order sheath, steel band (3) are equipped in the sheath of the second level, the sheath outermost is enclosed with restrictive coating, the restrictive coating includes fire retardant jacket (1) and inner sheath (2)；The temperature sensing optical cable (7) is located in the first order sheath on the outside of beam tube (6).The compound umbilical of ignition temperature-sensitive intelligence beam tube of the present invention is more suitable for coal mine gob ignition monitoring requirements, and resists and pound, resistance to compression, beam tube is improved in the survival rate in goaf, while the distribution in temperature field along beam tube can be monitored by temperature sensing optical cable, promptly and accurately judges fire location.
Description
Technical field
The present invention relates to coal mine gob ignition monitoring fields, and in particular to a kind of coal mine gob ignition sense
The compound umbilical of warm intelligence beam tube.
Background technique
When exploiting easy spontaneous combustion and spontaneous progress, to ensure Safety of Coal Mine Production and worker's personal safety, coal mine thing is prevented
Therefore generation, it is necessary to carry out corresponding fire extinguishing design.General fire extinguishing design is to design and install beam tube in coal mine to prevent
Fire extinguishing automatic monitoring system monitors coal seam.
But in the practical application of coal mine, especially these years, coal mine Tube Bundle Monitoring System does not play its effective prison
Survey effect, tracing it to its cause has many aspects, and a part is the reason is that because China's coal-mine mining depth and mining rate these years
It is continuously increased, mine is caused the more to dig the more deep, the route for laying beam tube is increasingly longer, and gas bleeding is analyzed from underground goaf
Real-time it is poor, and the pumping of long range, it is difficult to ensure that continuing beam tube route does not have gas leakage, the gas of analysis is not necessarily mined out
Actual gas in area；Another part the reason is that general beam tube is applied to two to four monitoring points of several hundred meters of formation in goaf, but
It is influenced by factors such as goaf coal breakage, collapses, it is possible to which this several hundred meters beam tube, which is pounded, to break repeatedly, leads to practical bleed position
It is deviated from much with preset monitoring location.
Summary of the invention
It is protected in deep layer coal mine for above-mentioned beam tube not in place, goaf gas can not be extracted in real time and carry out ingredient point
Analysis, and to the problem of goaf ignition condition judgement inaccuracy, the present invention provides one kind and is more suitable for coal mine gob ignition prison
The compound umbilical of coal mine gob ignition temperature-sensitive intelligence beam tube of survey demand, it is anti-pound, resistance to compression, improve beam tube in the survival in goaf
Rate, while the distribution in temperature field along beam tube can be monitored by temperature sensing optical cable, promptly and accurately judge fire location.
Technical scheme is as follows:
A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube, it is described including beam tube and the temperature sensing optical cable for being arranged in beam tube outer layer
At least provided with two-stage sheath, respectively first order sheath and second level sheath on the outside of beam tube, the first order sheath is wrapped in beam
Guan Shang, it is interior to be equipped with tension substance, second level sheath is equipped on the outside of the first order sheath, second level sheath is interior to pound object equipped with anti-
Matter, the sheath outermost are enclosed with restrictive coating, and the restrictive coating includes at least fire retardant jacket；The temperature sensing optical cable is located at beam tube
In the first order sheath in outside.The compound umbilical of sheet being combined by beam tube and temperature sensing optical cable, realizes multi-purpose, can
It realizes goaf gas extraction, and is able to achieve thermo parameters method along compound umbilical.
The compound umbilical of ignition temperature-sensitive intelligence beam tube as described above, the beam tube includes polyvinyl bundle tube for mine, it is preferred that
The polyvinyl bundle tube for mine uses mining flame-retardant polyethylene insulation material.
The compound umbilical of ignition temperature-sensitive intelligence beam tube as described above, the first order sheath includes wirerope and gasket for packing.
The second level sheath includes steel band, it is preferred that the steel band includes working out netted stainless steel, and wirerope and gasket for packing are wrapped up
In it.
The compound umbilical of ignition temperature-sensitive intelligence beam tube as described above, the restrictive coating includes fire retardant jacket and inner sheath, institute
It states fire retardant jacket and is located at outermost layer, the inner sheath is between fire retardant jacket and steel band.Preferably, the fire retardant jacket includes
Medium density polyethylene insulating materials.
The compound umbilical of ignition temperature-sensitive intelligence beam tube as described above, the temperature sensing optical cable include armouring protection component and temperature-sensitive
Optical fiber, the armouring protection component coat temperature sensing optical fiber.
A kind of installation method of the compound umbilical of ignition temperature-sensitive intelligence beam tube, which comprises the following steps:
Step 1: compound umbilical is applied to coal working face from Underground Substation, and is connected with coalcutter.
Step 2: compound umbilical is gradually embedded in goaf by starting coalcutter with the propulsion of coalcutter.
Step 3: after compound umbilical is laid, by point fine water filtering tank of the other end access Underground Substation of compound umbilical
It is interior, the temperature sensing optical cable part of compound umbilical and beam tube are partially separated out.
Step 4: temperature sensing optical cable is linked on distributed optical fiber temperature measurement host, and beam tube is linked into the more gases in underground point
On analysis apparatus.
The beneficial effects of the present invention are:
1, the compound umbilical of ignition temperature-sensitive intelligence beam tube disclosed by the invention, realizes multi-purpose function, is no longer simple
Air extractor, but be both able to achieve and goaf internal gas is evacuated, moreover it is possible to the distribution in temperature field along compound umbilical is detected, and
It is provided with and Intelligent self-diagnosis function is provided with to umbilical along the line, solve traditional beam tube because goaf coal breakage is pounded disconnected, can not determine
New bleed off passage position problems, practical value are higher.
2, the compound umbilical of ignition temperature-sensitive intelligence beam tube disclosed by the invention, structure is simple, appearance still with cable structure at
Type, construction technology can not need special process, the processing is simple according to coal mine ordinary optical cable standard completely.
3, the compound umbilical of ignition temperature-sensitive intelligence beam tube disclosed by the invention, compared with traditional beam tube, except increasing a sense
Outside warm optical cable, increase a series of protective device again outside beam tube, these devices by the drag of beam tube, resistance to compression, it is anti-pound it is strong
Degree improves tens times, to improve beam tube in the survival rate in goaf, guarantees pumping authenticity, can more accurate detection
The position of hidden danger point out to prevention goaf ignition disaster and guarantees that worker safety is of great significance.
4, the compound umbilical of ignition temperature-sensitive intelligence beam tube disclosed by the invention is not only able to achieve the extraction of goaf internal gas,
And can also along monitor beam pipe temperature field distribution.The goaf gas that compound umbilical extracts enters Tube Bundle Monitoring System progress
Analysis has reached goaf ignition condition when monitoring gas, the tool of fire can be oriented by temperature sensing optical cable along compound umbilical
Body position improves the accuracy of fire monitoring.
5, the compound umbilical of ignition temperature-sensitive intelligence beam tube disclosed by the invention, internal temperature sensing optical cable can not only determine hair
Position where fire, but also beam tube spot failure position can be positioned, when the compound umbilical of temperature-sensitive beam tube is pounded by goaf coal breakage
It has no progeny, breakpoint position can be gone out by the device measuring that temperature sensing optical cable connects, so that it is determined that pounding the bleed off passage position having no progeny.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, the scheme of the application and advantage skill common for this field
Art personnel will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to of the invention
Limitation.
In the accompanying drawings:
Fig. 1 is a kind of ignition temperature-sensitive intelligence beam tube multiple tube cable radial cutaway view of the present embodiment 1；
Fig. 2 is the in-site installation figure of the compound umbilical of ignition temperature-sensitive intelligence beam tube；
Component representated by each appended drawing reference in figure are as follows:
1, fire retardant jacket, 2, inner sheath, 3, steel band, 4, wirerope, 5, gasket for packing, 6, beam tube, 7, temperature sensing optical cable, 8, compound
Umbilical, 9, point fine water filtering tank, 10, distributed optical fiber temperature measurement host, 11, the more gas analyzing apparatus in underground.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below in conjunction with attached drawing.It is to be appreciated that providing these realities
The mode of applying is to be able to thoroughly understand the disclosure, and the scope of the present disclosure can be communicated completely to this field
Technical staff may be realized in various forms the disclosure, without that should be limited by the embodiments set forth herein.
Embodiment 1
Referring to Fig. 1, Fig. 1 is a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube of the present embodiment, including beam tube 6, temperature-sensitive light
Cable 7 and protective layer, the beam tube 6 are located at compound 8 center of umbilical, and outside is respectively equipped with two-stage sheath from inside to outside, point
Not Wei first order sheath and second level sheath, the first order sheath is wrapped on beam tube 6, in be equipped with tension substance, it is described
It is equipped with second level sheath on the outside of first order sheath, is equipped with to resist in the sheath of the second level and pounds substance, be also enclosed with shield on the outside of two-stage sheath
Jacket layer, the temperature sensing optical cable 7 are located in the first order sheath in 6 outside of beam tube.It is combined by beam tube 6 and temperature sensing optical cable 7
This compound umbilical 8, realizes multi-purpose, has not only been able to achieve goaf gas extraction, but also can facilitate and grasp temperature along compound umbilical 8
Spend field distribution situation.
In the present embodiment, the beam tube 6 is polyvinyl bundle tube for mine, it is preferred that the polyvinyl bundle tube for mine uses
Mining flame-retardant polyethylene insulation material.
In the present embodiment, the first order sheath includes wirerope 4 and gasket for packing 5, has good pull resistance, can be straight
It connects and is wrapped on beam tube 6, and facilitate the intervention of temperature sensing optical cable 7, facilitate processing.
In the present embodiment, the second level sheath includes steel band 3, it is preferred that the steel band 3 is to work out netted stainless steel
Material production, it is anti-pound, resistance to compression, can preferably protect wirerope 4, gasket for packing 5, temperature sensing optical cable 7 and the beam tube in first order sheath
6。
In the present embodiment, the restrictive coating includes fire retardant jacket 1 and inner sheath 2, and the fire retardant jacket 1 is located at multiple tube
8 outermost layer of cable is made of medium density polyethylene insulating materials, and the inner sheath is between fire retardant jacket 1 and steel band 3.
By the protective layer for the compound umbilical 8 that above-mentioned restrictive coating, first order sheath and second level sheath form, from the outside to the core
Fire retardant jacket 1, inner sheath 2, steel band 3, wirerope 4 and gasket for packing 5 have been separately included, compared to traditional beam tube, has greatly improved beam
The drag of pipe 6, resists and pounds mechanical performance resistance to compression, meanwhile, bending resistance is also effectively improved.
In the present embodiment, the temperature sensing optical cable 7 includes the temperature sensing optical fiber of external armouring protection component and inside, described
Armouring protects component to coat temperature sensing optical fiber.It is integrated into the mode in composite cable 8 by temperature sensing optical cable 7, makes composite cable 8 more
Intelligence not only can use beam tube 6 and be evacuated, has been also equipped with real time temperature measurement and self-diagnostic function, can diagnose beam tube 6 in time
Distress condition, the current beam tube system of the combination effective solution can not position bleed position in goaf fracture and ask
Topic, and also solve the problems, such as traditional beam tube resist in goaf pound, drag, anti-pressure ability it is weak.
Further, the temperature-measurement principle of the temperature sensing optical cable 7 is backward Raman (Raman) scattering effect of foundation.Laser
Pulse enters from one end in optical fiber, and a plurality of types of scatterings occur for the optical fiber interaction of molecules in propagating forward.Wherein draw
Graceful scattering is that a light longer than optical source wavelength is generated due to the thermal vibration of optical fiber molecule, title Stokes (Stokes) light, and
One light shorter than optical source wavelength, referred to as anti-Stokes (Anti-Stokes) light.The intensity of anti-Stokes optical signal is to temperature
Degree influences more sensitive.The ratio of the anti-Stokes optical signal and Stokes light signal strength of any point out of optical waveguide
In, the temperature information of the available point；It is to pass through the transmission speed of light wave in optical fiber using optical time domain reflection (OTDR) principle
These hot spots are positioned with the time backwards to optical echo；It can be realized using the above technical principle to along fiber optic temperature field
Distributed and positioning measurement.Larger with the difference of conventional port thermometric, which is able to achieve temperature and the position of optical cable place of arrival
All obtain, and within reachable ± 2 degree of temperature measurement accuracy height, reachable ± 1 meter of positioning accuracy, realize temperature-sensitive beam tube multiple tube all fronts
Goaf, coal working face, tunnel and the variation of process in temperature real time on-line monitoring, be accurately positioned fire location.
Illustrate the installation method of the compound umbilical of ignition temperature-sensitive intelligence beam tube below with reference to Fig. 2, first by compound umbilical 8 from
Underground Substation is applied to coal working face, and is connected with coalcutter.Start coalcutter, with the propulsion of coalcutter, gradually will
Compound umbilical 8 is embedded in goaf.Certainly, two lanes that compound umbilical 8 is laid in can be selected according to field demand here
In road, also it can be set in single tunnel.After the compound laying of umbilical 8 is good, the other end of compound umbilical 8 is accessed into underground power transformation
Point fine water filtering tank 9 in, 7 part of temperature sensing optical cable of compound umbilical 8 and beam tube 6 are partially separated out, described point of fine water filtering tank 9
Common beam tube shunt case on the market can be used.Finally temperature sensing optical cable 7 is linked on distributed optical fiber temperature measurement host 10, by beam
Pipe 6 is linked on the more gas analyzing apparatus 11 in underground, realizes the real-time monitoring to goaf gas and temperature.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, replace by the variation or increase and decrease that can be readily occurred in
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection of the claim
Subject to range.
Claims (9)
1. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube, which is characterized in that including beam tube (6) and be arranged in beam tube (6) outer layer
Temperature sensing optical cable (7), at least provided with two-stage sheath, respectively first order sheath and second level sheath, institute on the outside of the beam tube (6)
First order sheath is stated to be wrapped on beam tube (6), it is interior to be equipped with tension substance, the second level, which is equipped with, on the outside of the first order sheath protects
Layer, second level sheath is interior to pound substance equipped with anti-, and the sheath outermost is enclosed with restrictive coating, and the restrictive coating includes at least fire-retardant
Sheath (1)；The temperature sensing optical cable (7) is located in the first order sheath on the outside of beam tube (6).
2. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 1, which is characterized in that the beam tube (6)
Including polyvinyl bundle tube for mine.
3. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 1, which is characterized in that the first order shield
Layer includes wirerope (4) and gasket for packing (5).
4. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 1, which is characterized in that the second level shield
Layer includes steel band (3).
5. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 4, which is characterized in that the steel band (3)
Including working out netted stainless steel.
6. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 1, which is characterized in that the restrictive coating packet
Fire retardant jacket (1) and inner sheath (2) are included, it is external that the fire retardant jacket (1) is located at inner sheath (2).
7. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 6, which is characterized in that the fire retardant jacket
It (1) include medium density polyethylene insulating materials.
8. a kind of compound umbilical of ignition temperature-sensitive intelligence beam tube according to claim 1, which is characterized in that the temperature sensing optical cable
It (7) include armouring protection component and temperature sensing optical fiber, the armouring protection component coats temperature sensing optical fiber.
9. a kind of installation method of the compound umbilical of ignition temperature-sensitive intelligence beam tube, which comprises the following steps:
Step 1: compound umbilical (8) is applied to coal working face from Underground Substation, and is connected with coalcutter；
Step 2: compound umbilical (8) is gradually embedded in goaf by starting coalcutter with the propulsion of coalcutter；
Step 3: after compound umbilical (8) laying is good, by point fine drainage of the other end access Underground Substation of compound umbilical (8)
In case (23), the temperature sensing optical cable (7) of compound umbilical (8) is partially partially separated out with beam tube (6)；
Step 4: temperature sensing optical cable (7) is linked on distributed optical fiber temperature measurement host (10), and beam tube (24) (6) is linked into well
Under on more gas analyzing apparatus (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759001.7A CN110441877A (en) | 2019-08-16 | 2019-08-16 | A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759001.7A CN110441877A (en) | 2019-08-16 | 2019-08-16 | A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method |
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| Publication Number | Publication Date |
|---|---|
| CN110441877A true CN110441877A (en) | 2019-11-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759001.7A Pending CN110441877A (en) | 2019-08-16 | 2019-08-16 | A kind of compound umbilical of ignition temperature-sensitive intelligence beam tube and its installation method |
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| CN (1) | CN110441877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879095A (en) * | 2021-03-09 | 2021-06-01 | 辽宁工程技术大学 | Gob-side entry retaining goaf bundle pipe monitoring device and arrangement method |
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| CN201725632U (en) * | 2010-07-14 | 2011-01-26 | 开开电缆科技有限公司 | Composite submarine cable of intelligent temperature sensing optical fiber |
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Effective date of registration: 20200514 Address after: 250000 Shandong Province Licheng District Tangwang Town Shuangyong Road and Longquan Street Intersection South 10 meters east Applicant after: SHANDONG DAOKUAN INTELLIGENT TECHNOLOGY Co.,Ltd. Applicant after: Shandong Guang'an Intelligent Technology Co.,Ltd. Address before: 250000 Shandong Province Licheng District Tangwang Town Shuangyong Road and Longquan Street Intersection South 10 meters east Applicant before: SHANDONG DAOKUAN INTELLIGENT TECHNOLOGY Co.,Ltd. |
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Application publication date: 20191112 |