CN109541142A - A kind of pump suction type CH_4 detection device - Google Patents
A kind of pump suction type CH_4 detection device Download PDFInfo
- Publication number
- CN109541142A CN109541142A CN201811434573.XA CN201811434573A CN109541142A CN 109541142 A CN109541142 A CN 109541142A CN 201811434573 A CN201811434573 A CN 201811434573A CN 109541142 A CN109541142 A CN 109541142A
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- China
- Prior art keywords
- pedestal
- gas
- suction type
- air inlet
- guide tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of pump suction type CH_4 detection devices, including pedestal, detection case is equipped with above the pedestal, methane transducer is equipped in the detection case, the detection case bottom is equipped with the first air inlet and first row port, it is connected between the detection case and pedestal by support column, the base interior is equipped with aspiration pump, the aspiration pump is equipped with the second air inlet and second exhaust port, the second exhaust port is connected to gas-guide tube and aqueduct by threeway, the aqueduct bottom end is connected with collection kettle, it is connect at the top of the gas-guide tube with the first air inlet, the air guide pipe surface is connected with semiconductor chilling plate, the semiconductor chilling plate power end connects intrinsic safety electric source, the intrinsic safety electric source is located on pedestal, and it is electrically connected aspiration pump.The advantages of the present invention over the prior art are that: structure of the invention is reasonable, is simple and efficient, improves methane concentration detection accuracy while improving the service life of methane transducer.
Description
Technical field
The present invention relates to CH_4 detection technical field, in particular to a kind of pump suction type CH_4 detection devices.
Background technique
Main component contained in gas is methane, and methane is inflammable, explosive, therefore underground coal mine is directed to the real-time inspection of methane
The personal safety for advantageously ensuring that staff is surveyed, currently used means are to install methane transducer in underground coal mine, existing
Various methane transducers substantially directly contacted by air inlet pipe, escape pipe with the gas of underground coal mine, to be detected
Methane content in coal mine underground gas, since the moisture contained in methane gas is larger, in use, institute in gas
There are a degree of influences on the sensitivity of methane transducer for the steam contained, and there are security risk, the in addition presence of steam
It will affect the service life of methane transducer.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the above technological deficiency, a kind of guidance gas is provided and is detected simultaneously
Effectively remove a kind of pump suction type CH_4 detection device of steam.
In order to solve the above technical problems, technical solution provided by the invention are as follows: a kind of pump suction type CH_4 detection device, including
Pedestal, the pedestal top are equipped with detection case, are equipped with methane transducer in the detection case, the detection case bottom is equipped with
The first air inlet and first row port connecting with methane transducer are connected between the detection case and pedestal by support column
It connecing, the base interior is equipped with aspiration pump, and the aspiration pump is equipped with the second air inlet and second exhaust port, and described the
Two air inlets are set on pedestal circumferential surface, and grid-shaped uniform arrangement, the second exhaust port is connected to gas-guide tube by threeway
And aqueduct, the aqueduct bottom end is connected with collection kettle, connect at the top of the gas-guide tube with the first air inlet, described
Air guide pipe surface be connected with semiconductor chilling plate, the semiconductor chilling plate power end connects intrinsic safety electric source, described
Intrinsic safety electric source is located on pedestal, and is electrically connected aspiration pump.
The advantages of the present invention over the prior art are that: it is detected by aspiration pump guidance gas, is evacuated by regulation
The watt level of pump can guide air inflow with the control of efficient balance, consequently facilitating real-time detection, the second air inlet of aspiration pump
It is grid-shaped to be arranged on the circumferential surface of pedestal, the dust granule in the gas of extraction containing band can be filtered out, methane is effectively improved
The service life of sensor, second exhaust port connect gas-guide tube and aqueduct by threeway, on the one hand can be very good guidance and take out
The gas taken is entered in detection case by gas-guide tube, on the other hand can be guided in gas-guide tube transmission process by semiconductor refrigerating
The liquid of piece cooling effect convergence can smoothly enter into be focused in collection kettle, and device is aspiration pump and half by intrinsic safety electric source
The power supply of conductor cooling piece, ensure that the safe and stable property of power supply.
As an improvement, the collection kettle is located at below pedestal, and be threadedly coupled with aqueduct, it is easy to disassemble, facilitate by
The water in collection kettle is collected to outwell.
As an improvement, the first row port is arranged towards gas-guide tube, the air-flow that exhaust outlet excludes can guide air
Circulation can promote the air circulation on the outside of gas-guide tube towards gas-guide tube setting, to improve refrigeration effect.
As an improvement, the semiconductor chilling plate outer surface is equipped with equally distributed cooling fin, heat dissipation effect is improved, is increased
Add the refrigeration effect to gas-guide tube, guarantees that into detection case be clean gas.
As an improvement, the base bottom is equipped with support leg, the support foot bottom is spherical shape, and is nested in foot pad
Interior, the setting of support leg is placed convenient for selection suitable position.
As an improvement, the foot pad be it is round table-like, foot pad is rotatably assorted with support leg, is rotatably assorted, and can be put
Angle adjustment is set, so that placing more steady.
Detailed description of the invention
Fig. 1 is a kind of pump suction type CH_4 detection apparatus structure schematic diagram of the present invention.
Fig. 2 is a kind of pump suction type CH_4 detection device supporting foot structure schematic diagram of the present invention.
It is as shown in the figure: 1, pedestal, 2, detection case, 3, methane transducer, the 4, first air inlet, 5, first row port, 6, branch
Dagger, 7, aspiration pump, the 8, second air inlet, 9, second exhaust port, 10, gas-guide tube, 11, aqueduct, 12, collection kettle, 13, partly lead
Body cooling piece, 14, intrinsic safety electric source, 15, cooling fin, 16, support leg, 17, foot pad.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
In conjunction with Fig. 1-2, a kind of pump suction type CH_4 detection device, including pedestal 1 is equipped with detection case above the pedestal 1
2, be equipped with methane transducer 3 in the detection case 2,2 bottom of detection case be equipped with connect with methane transducer 3 first into
Port 4 and first row port 5 are connected by support column 6 between the detection case 2 and pedestal 1, are set inside the pedestal 1
There is aspiration pump 7, the aspiration pump 7 is equipped with the second air inlet 8 and second exhaust port 9, and second air inlet 8 is set to
On 1 circumferential surface of pedestal, grid-shaped uniform arrangement, the second exhaust port 9 is connected to gas-guide tube 10 and aqueduct 11 by threeway,
11 bottom end of aqueduct is connected with collection kettle 12, and 10 top of gas-guide tube is connect with the first air inlet 4, described
10 surface of gas-guide tube is connected with semiconductor chilling plate 13, and 13 power end of semiconductor chilling plate connects intrinsic safety electric source 14,
The intrinsic safety electric source 14 is located on pedestal 1, and is electrically connected aspiration pump 7.
The collection kettle 12 is located at 1 lower section of pedestal, and is threadedly coupled with aqueduct 11,5 court of first row port
It is arranged to gas-guide tube 10,13 outer surface of semiconductor chilling plate is equipped with equally distributed cooling fin 15,1 bottom of pedestal
Portion is equipped with support leg 16, and 16 bottom of support leg is spherical shape, and is nested in foot pad 17, and the foot pad 17 is rotary table
Shape, foot pad 17 are rotatably assorted with support leg 16.
Device in the specific implementation, is passed through the cooperation of support leg 16 and foot pad 17 by the present invention, is chosen suitable position and is carried out
Firm to place, starting intrinsic safety electric source 14 later is that aspiration pump 7 and semiconductor chilling plate 13 are powered, and aspiration pump 7 extracts gas by leading
Tracheae 10 enters in detection case 2, and gas is in the transmission process of gas-guide tube 10 by the effect condensed gas of semiconductor refrigerating agent 13
In steam at liquid, liquid runs down gas-guide tube 10 after threeway, under the guidance of aqueduct 11 enter collection kettle 12 in, from
And the steam in gas is filtered out, effectively improve the detection accuracy and service life of methane transducer 3 in detection case 2.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (6)
1. a kind of pump suction type CH_4 detection device, including pedestal (1), it is characterised in that: be equipped with detection above the pedestal (1)
Case (2), the detection case (2) is interior to be equipped with methane transducer (3), and the detection case (2) bottom is equipped with and methane transducer (3)
The first air inlet (4) and first row port (5) of connection pass through support column (6) between the detection case (2) and pedestal (1)
Connection, the pedestal (1) is internal to be equipped with aspiration pump (7), and the aspiration pump (7) is equipped with the second air inlet (8) and second
Exhaust outlet (9), second air inlet (8) are set on pedestal (1) circumferential surface, grid-shaped uniform arrangement, and described second
By threeway connection gas-guide tube (10) and aqueduct (11), the aqueduct (11) bottom end is connected with catchments exhaust outlet (9)
Pot (12), the gas-guide tube (10) top are connect with the first air inlet (4), and the gas-guide tube (10) surface is connected with half
Conductor cooling piece (13), the semiconductor chilling plate (13) power end connect intrinsic safety electric source (14), the intrinsic safety electric source
(14) it is located on pedestal (1), and is electrically connected aspiration pump (7).
2. a kind of pump suction type CH_4 detection device according to claim 1, it is characterised in that: described collection kettle (12) position
Below pedestal (1), and it is threadedly coupled with aqueduct (11).
3. a kind of pump suction type CH_4 detection device according to claim 1, it is characterised in that: the first row port
(5) it is arranged towards gas-guide tube (10).
4. a kind of pump suction type CH_4 detection device according to claim 1, it is characterised in that: the semiconductor chilling plate
(13) outer surface is equipped with equally distributed cooling fin (15).
5. a kind of pump suction type CH_4 detection device according to claim 1, it is characterised in that: described pedestal (1) bottom
Equipped with support leg (16), the support leg (16) bottom is spherical shape, and is nested in foot pad (17).
6. a kind of pump suction type CH_4 detection device according to claim 5, it is characterised in that: the foot pad (17) is circle
Mesa-shaped, foot pad (17) are rotatably assorted with support leg (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434573.XA CN109541142A (en) | 2018-11-28 | 2018-11-28 | A kind of pump suction type CH_4 detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434573.XA CN109541142A (en) | 2018-11-28 | 2018-11-28 | A kind of pump suction type CH_4 detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109541142A true CN109541142A (en) | 2019-03-29 |
Family
ID=65850864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811434573.XA Pending CN109541142A (en) | 2018-11-28 | 2018-11-28 | A kind of pump suction type CH_4 detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541142A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973181A (en) * | 2023-09-25 | 2023-10-31 | 南方海洋科学与工程广东省实验室(广州) | Marine methane gas concentration monitoring system |
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Application publication date: 20190329 |