CN108917967B - Goaf bundle pipe monitoring device and installation method - Google Patents
Goaf bundle pipe monitoring device and installation method Download PDFInfo
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- CN108917967B CN108917967B CN201810764795.1A CN201810764795A CN108917967B CN 108917967 B CN108917967 B CN 108917967B CN 201810764795 A CN201810764795 A CN 201810764795A CN 108917967 B CN108917967 B CN 108917967B
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- pipe
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000009434 installation Methods 0.000 title abstract description 4
- 239000000523 sample Substances 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a goaf bundle pipe monitoring device and an installation method, belonging to the technical field of goaf bundle pipe monitoring, wherein the goaf bundle pipe monitoring device comprises a double-layer pipe, an outer pipe air hole, an inner pipe air hole, sponge, an air outlet pipeline, a temperature measuring probe, a metal probe, a double-layer pipe lead, a bundle pipe lead and a bundle pipe protective shell; the device reduces the difficulty of the arrangement of the beam tube monitoring system, completes the arrangement of the beam tubes and the wires at one time, reduces the workload and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of goaf bundle pipe monitoring, and particularly relates to a goaf bundle pipe monitoring device and an installation method.
Background
A beam tube monitoring system is generally laid in a goaf in a coal mine, a certain amount of measuring points are arranged to monitor and control gas and temperature in the goaf, and whether the goaf fires or not is judged through analysis of index gas content and temperature of the goaf, so that fire prevention and extinguishing measures of the goaf are made. Therefore, the beam tube monitoring system has important significance for guaranteeing the life safety of underground workers.
At present, a goaf beam tube monitoring device is characterized in that a water filtering core connected with a beam tube and a temperature measuring probe (thermistor) connected with a lead are respectively arranged in a goaf. In field practice, because the lead is extremely fragile, when the goaf collapses, the accident that the lead is broken by falling rocks in the goaf is caused to a great extent, so that temperature detection cannot be carried out, and the operation of the beam tube monitoring system is seriously influenced.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a collecting space area beam tube monitoring devices, includes the double tube, the double tube comprises inner tube and outer tube, the outer tube lateral wall evenly is provided with the outer tube gas pocket, the inner tube lateral wall evenly is provided with the inner tube gas pocket, be provided with the sponge between outer tube and the inner tube, outer tube one end is provided with the pipeline of giving vent to anger, and gives vent to anger the pipeline air inlet and link to each other with the inner tube, pipeline bottom outer tube lateral wall of giving vent to anger is provided with the temperature probe, the inside metal probe that is provided with of pipeline bottom outer tube lateral wall of giving vent to anger, metal probe one end links to each other with double tube wire one end, the double tube wire other end links to each other with the temperature probe, pipeline of.
And the outer wall of the beam tube is provided with a beam tube protective shell.
The width of the beam tube is equal to the length of the extending end of the metal probe.
The beam tube is a flame-retardant polyethylene beam tube special for a mine.
A method for installing a goaf bundle pipe monitoring device adopts the goaf bundle pipe monitoring device and comprises the following steps,
and 5, continuously monitoring the gas and the temperature, repeating the step 3 and the step 4, and recording the detected gas content value and temperature value to avoid the generation of the goaf ignition phenomenon.
The invention has the beneficial effects that:
1. the goaf bundle pipe monitoring device effectively prevents the situation that the temperature of the goaf cannot be measured due to the fact that the wires are independently arranged, broken by falling rocks of the goaf and influenced by humidity.
2. The goaf beam tube monitoring device reduces the difficulty of beam tube monitoring system arrangement, completes the arrangement of beam tubes and leads at one time, reduces workload and improves working efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a left side view of the apparatus of the present invention;
1-double-layer tube, 101-inner tube, 102-outer tube, 2-outer tube air hole, 3-inner tube air hole, 4-sponge, 5-air outlet pipeline, 6-temperature measuring probe, 7-metal probe, 8-double-layer tube lead, 9-bundle tube, 10-bundle tube lead and 11-bundle tube protective shell.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, a goaf bundled tube monitoring device comprises a double-layer tube 1, wherein the double-layer tube 1 is composed of an inner tube 101 and an outer tube 102, outer tube air holes 2 are uniformly formed in the side wall of the outer tube 102, inner tube air holes 3 are uniformly formed in the side wall of the inner tube 101, a sponge 4 is arranged between the outer tube 102 and the inner tube 101, dust in gas is effectively filtered through the sponge 4, a gas outlet pipeline 5 is arranged at one end of the outer tube 102, the gas inlet of the gas outlet pipeline 5 is connected with the inner tube 101, a temperature measuring probe 6 is arranged on the side wall of the outer tube 102 at the bottom of the gas outlet pipeline 5, a metal probe 7 is arranged inside the side wall of the outer tube 102 at the bottom of the gas outlet pipeline 5, one end of the metal probe 7 is connected with one end of a double-layer tube lead 8, the dust filter comprises a sponge 4, an air outlet pipeline 5, a temperature measuring probe 6, a metal probe 7 and a double-layer pipe wire 8, wherein a beam pipe 9 fixedly mounted with the double-layer pipe 1 is arranged at the air outlet of the air outlet pipeline 5, two beam pipe wires 10 are arranged on the side wall of the beam pipe 9, and the beam pipe wires 10 are connected with the other end of the metal probe 7.
The outer wall of the beam tube 9 is provided with a beam tube protective shell 11, and the beam tube protective shell 11 prevents the beam tube 9 from being damaged by falling rocks.
The width of the beam tube 9 is equal to the length of the extending end of the metal probe 7, so that the metal probe 7 is completely contacted with the vertical tube conducting wire 10, and the virtual connection phenomenon is avoided.
The bundle pipe 9 is a flame-retardant polyethylene bundle pipe special for a mine, so that the vertical pipe 9 is prevented from being ignited when a fire disaster happens.
A method for installing a goaf bundle pipe monitoring device adopts the goaf bundle pipe monitoring device and comprises the following steps,
and 5, continuously monitoring the gas and the temperature, repeating the step 3 and the step 4, and recording the detected gas content value and temperature value to avoid the generation of the goaf ignition phenomenon.
Claims (3)
1. A goaf beam tube monitoring device is characterized by comprising a double-layer tube, wherein the double-layer tube consists of an inner tube and an outer tube, the side wall of the outer pipe is uniformly provided with outer pipe air holes, the side wall of the inner pipe is uniformly provided with inner pipe air holes, sponge is arranged between the outer pipe and the inner pipe, one end of the outer pipe is provided with an air outlet pipeline, the air inlet of the air outlet pipeline is connected with the inner pipe, the side wall of the outer pipe at the bottom end of the air outlet pipeline is provided with a temperature measuring probe, a metal probe is arranged inside the side wall of the outer pipe at the bottom of the air outlet pipeline, one end of the metal probe is connected with one end of a wire of the double-layer pipe, the other end of the double-layer pipe lead is connected with a temperature measuring probe, a beam pipe fixedly arranged with the double-layer pipe is arranged at the air outlet of the air outlet pipeline, the width of the beam tube is equal to the length of the extending end of the metal probe, a beam tube protective shell is arranged on the outer wall of the beam tube, and the beam tube lead is connected with the other end of the metal probe.
2. A goaf bundle tube monitoring device in accordance with claim 1, wherein: the beam tube is a flame-retardant polyethylene beam tube special for a mine.
3. A method for installing a goaf bundle pipe monitoring device, which adopts the goaf bundle pipe monitoring device of claim 1, and is characterized in that: comprises the following steps of (a) carrying out,
step 1, carrying out flattening treatment on the end face of a beam tube, and ensuring that a beam tube lead is flush with the section of the beam tube;
step 2, aligning the bundle pipe lead with a metal probe of the dust filter, inserting the metal probe into the bundle pipe lead, fixedly installing the two bundle pipes on the dust filter through screws, and placing the two bundle pipes in a goaf;
step 3, monitoring gas, namely filtering the gas in the goaf by using an outer pipe gas hole through sponge, then feeding the gas into an inner pipe gas hole, feeding the gas into the bundle pipe through a gas outlet pipeline, and finishing the detection of the gas content by underground personnel by extracting the gas in the bundle pipe;
step 4, monitoring temperature, wherein the temperature of the gas around the goaf is sensed by a temperature measuring probe and reacts as resistance change, and underground personnel connect an ohmmeter at the output end of a bundled tube conductor with the temperature measuring probe, a double-layer tube conductor, a metal probe and the bundled tube conductor to form a loop so as to measure the detection of the gas temperature around the goaf;
and 5, continuously monitoring the gas and the temperature, repeating the step 3 and the step 4, and recording the detected gas content value and temperature value to avoid the generation of the goaf ignition phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764795.1A CN108917967B (en) | 2018-07-12 | 2018-07-12 | Goaf bundle pipe monitoring device and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764795.1A CN108917967B (en) | 2018-07-12 | 2018-07-12 | Goaf bundle pipe monitoring device and installation method |
Publications (2)
| Publication Number | Publication Date |
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| CN108917967A CN108917967A (en) | 2018-11-30 |
| CN108917967B true CN108917967B (en) | 2020-12-08 |
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| CN201810764795.1A Expired - Fee Related CN108917967B (en) | 2018-07-12 | 2018-07-12 | Goaf bundle pipe monitoring device and installation method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443584A (en) * | 2018-12-24 | 2019-03-08 | 中国矿业大学(北京) | Mine goaf spontaneous fire temp measuring system and temp measuring method |
| 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 |
| CN113884599A (en) * | 2021-10-18 | 2022-01-04 | 中煤科工集团沈阳研究院有限公司 | Beam tube monitoring system based on thermistor temperature measurement and temperature revision method |
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