CN212341166U - Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation - Google Patents
Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation Download PDFInfo
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- CN212341166U CN212341166U CN202021153413.0U CN202021153413U CN212341166U CN 212341166 U CN212341166 U CN 212341166U CN 202021153413 U CN202021153413 U CN 202021153413U CN 212341166 U CN212341166 U CN 212341166U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 title claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 77
- 239000003245 coal Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 fire Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an adjustable multichannel catalytic combustion formula methane-measuring device calibrating installation, including device shell and three way connection, the inboard fixedly connected with first extension board and second extension board of device shell, first extension board top fixedly connected with admit air chamber, admit air chamber top from left to right set gradually first air inlet valve, second air inlet valve, third air inlet valve and fourth air inlet valve, the other end fixedly connected with three way connection of first outlet duct; through setting up three way connection and increasing the rotameter to utilize three way connection to divide into two the methane gas of every concentration, realized that every two rotameters are the methane gas of same concentration, thereby just can examine and determine two alarm instruments simultaneously and reach the purpose that work efficiency doubles in the examination, reached and examined simultaneously many alarm instruments and do not need frequent plug trachea, only need connect once the plug and just can accomplish the examination of all concentration methane gas.
Description
Technical Field
The utility model relates to a methane determination technology field specifically is an adjustable multichannel catalytic combustion formula methane determination ware calibrating installation.
Background
In coal mine production, the main factors of various accident risks and injuries endangering the life and the physical health of workers are water, fire, gas, dust, a roof plate and the like; wherein the hazard with gas is greatest; this is because gas disasters, such as gas over-limit suffocation, gas explosion and coal and gas outburst, have large damage range and cause personal casualties; the coal mine safety production accidents in recent years can be analyzed to find that most of coal mine accidents occurring nationwide are caused by gas; therefore, the gas control is the main and fundamental work for coal safety; the gas monitoring is enhanced, and the advanced new mine gas treatment technology is actively applied, so that the safety of a mine is effectively guaranteed; the catalytic methane tester is one of necessary instruments for monitoring the underground production environment and guaranteeing the safe production in a coal mine, and is a metering device for carrying out forced verification; the catalytic combustion type methane measuring instrument is a precise electronic instrument which applies a carrier thermal catalysis principle to rapidly and accurately measure the concentration of the methane gas in the underground coal mine, and whether the accuracy of the instrument is related to the accuracy of monitoring data of the underground production environment of the coal mine, so that the underground safe production of the coal mine is related.
Therefore, the method has important significance for the metrological verification of the catalytic combustion type methane measuring device, but each path of air inlet of the existing verification equipment corresponds to one flowmeter, a corresponding air bottle needs to be opened when one portable gas is verified, and the gas path is required to be frequently replaced to pull and insert the detected instrument when different concentration points are verified; the operation process is complicated and affects the working efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable multichannel catalytic combustion formula methane-measuring device calibrating installation to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an adjustable multi-path catalytic combustion type methane determinator calibrating device comprises a device shell and a three-way joint, wherein a first support plate and a second support plate are fixedly connected to the inner side of the device shell, the first support plate and the second support plate are parallel to each other, an air inlet cavity is fixedly connected to the top end of the first support plate, a first air inlet valve, a second air inlet valve, a third air inlet valve and a fourth air inlet valve are sequentially arranged at the top end of the air inlet cavity from left to right, air inlet pipes are fixedly connected to one sides of the first air inlet valve, the second air inlet valve, the third air inlet valve and the fourth air inlet valve, air inlet end nozzles are fixedly connected to the other ends of the air inlet pipes, the air inlet end nozzles penetrate through one side of the device shell, a flexible guide pipe is fixedly connected to one end of the air inlet cavity, an air outlet cavity is fixedly connected to the other end of the, a first air outlet valve, a second air outlet valve, a third air outlet valve and a fourth air outlet valve are sequentially arranged at the top end of the air outlet cavity from left to right;
the gas inlet cavity is formed in the middle of the upper portion of the gas inlet cavity, the first gas outlet pipe is fixedly connected to one side of the gas inlet cavity, the second gas outlet valve is fixedly connected to the other end of the gas inlet cavity, the third gas outlet valve is fixedly connected to the other side of the gas inlet cavity, the fourth gas outlet valve is fixedly connected to the other end of the gas inlet cavity, and the two ends of the three-way joint, far away from the first gas outlet pipe, are fixedly connected to.
As a further aspect of the present invention: and the standard methane gas concentration of the first air inlet valve, the second air inlet valve, the third air inlet valve and the fourth air inlet valve is higher and higher in sequence from left to right.
As a further aspect of the present invention: the three-way joint is connected to the fixing plate in a penetrating mode, the fixing plate is fixedly connected to the inner side of the device shell, and the fixing plate and the second support plate are parallel to each other.
As a further aspect of the present invention: the bottom ends of the first air inlet valve, the second air inlet valve, the third air inlet valve and the fourth air inlet valve are all located inside the air inlet cavity, and the bottom ends of the first air outlet valve, the second air outlet valve, the third air outlet valve and the fourth air outlet valve are all located inside the air outlet cavity.
As a further aspect of the present invention: the equal fixedly connected with rotameter of second outlet duct other end, rotameter is located the device shell outside, rotameter one side fixedly connected with air outlet end mouth.
Compared with the prior art, the beneficial effects of the utility model are that:
through setting a three-way joint and adding a rotor flow meter and dividing methane gas with each concentration into two parts by utilizing the three-way joint, the purpose that each two rotor flow meters are methane gas with the same concentration is realized, two alarm instruments can be simultaneously detected during detection so as to double the working efficiency, through setting a first air inlet valve, a second air inlet valve, a third air inlet valve, a fourth air inlet valve and corresponding first air outlet valve, a second air outlet valve, a third air outlet valve and a third air outlet valve, when the methane gas with the first air inlet valve opened closes the methane gas with the other three concentrations, the methane gas with the first air inlet valve opened is connected to an air outlet cavity, the first air outlet valve, the second air outlet valve, the third air outlet valve and the fourth air outlet valve through a soft guide pipe, so that when the first air outlet valve is opened, the two alarm instruments are simultaneously detected, by analogy, a plurality of alarm instruments can be simultaneously detected and all methane gas with the same concentration, the effect is the same when other three methane gas types are closed by opening the methane gas with the rest concentration according to the same principle, so that the purpose of simultaneously detecting the plurality of alarm instruments without frequently pulling and inserting the gas pipes is achieved, detection of all the methane gas concentrations can be completed only by connecting a plug once, the operation process is simple, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an adjustable multi-channel catalytic combustion type methane analyzer calibrating device;
FIG. 2 is a schematic diagram of a side view structure of an inlet chamber and an outlet chamber in an adjustable multi-channel catalytic combustion type methane tester calibrating apparatus;
fig. 3 is a schematic structural diagram of a main view of an adjustable multi-channel catalytic combustion type methane detector calibrating device.
In the figure: the device comprises a device shell 1, a first support plate 2, a second support plate 3, an air inlet cavity 4, a first air inlet valve 5, a second air inlet valve 6, a third air inlet valve 7, a fourth air inlet valve 8, an air inlet pipe 9, an air inlet end nozzle 10, a soft guide pipe 11, an air outlet cavity 12, a first air outlet valve 13, a second air outlet valve 14, a third air outlet valve 15, a fourth air outlet valve 16, a first air outlet pipe 17, a three-way joint 18, a second air outlet pipe 19, a rotor flow meter 20, an air outlet end nozzle 21 and a fixing plate 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, an adjustable multi-channel catalytic combustion type methane measuring device calibration apparatus comprises an apparatus housing 1 and a three-way joint 18, a first support plate 2 and a second support plate 3 are fixedly connected to the inner side of the apparatus housing 1, the first support plate 2 and the second support plate 3 are parallel to each other, an air intake cavity 4 is fixedly connected to the top end of the first support plate 2, a first air intake valve 5, a second air intake valve 6, a third air intake valve 7 and a fourth air intake valve 8 are sequentially arranged at the top end of the air intake cavity 4 from left to right, an air intake pipe 9 is fixedly connected to one side of the first air intake valve 5, the second air intake valve 6, the third air intake valve 7 and the fourth air intake valve 8, an air intake port nozzle 10 is fixedly connected to the other end of the air intake pipe 9, the air intake port nozzle 10 is connected to one side of the apparatus, the other end of the soft guide pipe 11 is fixedly connected with an air outlet cavity 12, the air outlet cavity 12 is fixedly connected to the top end of the second support plate 3, the top end of the air outlet cavity 12 is sequentially provided with a first air outlet valve 13, a second air outlet valve 14, a third air outlet valve 15 and a fourth air outlet valve 16 from left to right, a plurality of alarm instruments can be simultaneously verified, all methane gases are methane gases with the same concentration, the effect is the same when other three methane gases are closed by opening methane gases with other concentrations on the same principle, the purpose of simultaneously verifying the plurality of alarm instruments without frequently plugging and unplugging the air pipes is achieved, and the verification of all methane gases with all concentrations can be completed by connecting plugs once;
the first air outlet valve 13, the second air outlet valve 14, the third air outlet valve 15 and the fourth air outlet valve 16 are respectively and fixedly connected with a first air outlet pipe 17 at one side far away from the air inlet cavity 4, the other end of the first air outlet pipe 17 is fixedly connected with a three-way joint 18, the three-way joint 18 is respectively and fixedly connected with a second air outlet pipe 19 at two ends far away from the first air outlet pipe 17, the three-way joint 18 is utilized to divide methane gas with each concentration into two parts, the fact that every two rotor flow meters 20 are methane gas with the same concentration is achieved, and therefore the purpose that the working efficiency is doubled can be achieved by simultaneously detecting the two alarm instruments in the detection process.
Referring to fig. 1, the first intake valve 5, the second intake valve 6, the third intake valve 7, and the fourth intake valve 8 sequentially correspond to a standard methane gas with higher and higher concentrations from left to right, so that the standard methane gas is introduced from low to high in the order of concentration when the detection is performed.
Referring to fig. 1, the three-way joint 18 is connected to a fixing plate 22 in a penetrating manner, the fixing plate 22 is fixedly connected to the inner side of the device shell 1, and the fixing plate 22 and the second support plate 3 are parallel to each other, so that the air pipes in the device are orderly arranged, and the three-way joint 18 is convenient to better install.
Referring to fig. 2, the bottom ends of the first air intake valve 5, the second air intake valve 6, the third air intake valve 7 and the fourth air intake valve 8 are all located inside the air intake cavity 4, and the bottom ends of the first air outlet valve 13, the second air outlet valve 14, the third air outlet valve 15 and the fourth air outlet valve 16 are all located inside the air outlet cavity 12, so that the air is controlled by the valves and then is divided by the inside of the air intake cavity 4 and the inside of the air outlet cavity 12.
Referring to fig. 1, the other end of the second air outlet pipe 19 is fixedly connected with a rotameter 20, the rotameter 20 is located outside the device housing 1, and one side of the rotameter 20 is fixedly connected with an air outlet end mouth 21, so that the air inlet end of the alarm after zero setting calibration can be conveniently connected with the air outlet end mouth 21, and the calibration can be conveniently carried out.
The utility model discloses a theory of operation is: when the methane gas detection device is used, standard methane gas containing four different concentrations is respectively connected with the gas inlet end nozzle 10 through a gas guide pipe, the gas inlet end of the alarm device after zero setting calibration is connected with the gas outlet end nozzle 21, the first gas inlet valve 5, the second gas inlet valve 6, the third gas inlet valve 7 and the fourth gas inlet valve 8 are controlled from low to high according to the concentration of the standard methane gas, when the methane gas with the first gas inlet valve 5 is opened and the methane gas with the rest concentration is closed, the methane gas with the first gas inlet valve 5 is connected to the first gas outlet valve 13, the second gas outlet valve 14, the third gas outlet valve 15 and the fourth gas outlet valve 16 through the soft guide pipe 11, when the first gas outlet valve 13 is opened, the two alarm devices are simultaneously detected, when the first gas outlet valve 13 and the second gas outlet valve 14 are opened, the four alarm devices are simultaneously detected, and the like, when the first gas outlet valve 13, the second gas outlet valve 14 and the fourth alarm devices are opened, Eight alarm instruments are simultaneously detected and are all methane gas with the same concentration when the second gas outlet valve 14, the third gas outlet valve 15 and the fourth gas outlet valve 16 are used, the effect is the same when other three kinds of methane gas are closed by opening the methane gas with other concentrations on the same principle, therefore, the purpose of simultaneously detecting the eight alarm instruments is achieved, frequent plugging and unplugging of the methane gas pipes are not needed, detection of all the methane gas with the concentration can be completed only by connecting a plug once, the operation process is simple, and the detection efficiency is higher.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an adjustable multichannel catalytic combustion formula methane-measuring device calibrating installation, includes device shell (1) and three way connection (18), its characterized in that: the device comprises a device shell (1), wherein a first support plate (2) and a second support plate (3) are fixedly connected to the inner side of the device shell (1), the first support plate (2) and the second support plate (3) are parallel to each other, an air inlet cavity (4) is fixedly connected to the top end of the first support plate (2), a first air inlet valve (5), a second air inlet valve (6), a third air inlet valve (7) and a fourth air inlet valve (8) are sequentially arranged at the top end of the air inlet cavity (4) from left to right, an air inlet pipe (9) is fixedly connected to one side of each of the first air inlet valve (5), the second air inlet valve (6), the third air inlet valve (7) and the fourth air inlet valve (8), an air inlet end nozzle (10) is fixedly connected to the other end of the air inlet pipe (9), the air inlet end nozzle (10) is connected to one side of the device shell (1) in a penetrating manner, the other end of the soft conduit (11) is fixedly connected with an air outlet cavity (12), the air outlet cavity (12) is fixedly connected to the top end of the second support plate (3), and a first air outlet valve (13), a second air outlet valve (14), a third air outlet valve (15) and a fourth air outlet valve (16) are sequentially arranged at the top end of the air outlet cavity (12) from left to right;
the gas inlet cavity (4) is kept away from to first air outlet valve (13), second air outlet valve (14), third air outlet valve (15) and fourth air outlet valve (16), first air outlet pipe (17) of the equal fixedly connected with in one side of air inlet cavity (4), first air outlet pipe (17) other end fixedly connected with three way connection (18), the equal fixedly connected with second air outlet pipe (19) in both ends that first air outlet pipe (17) were kept away from in three way connection (18).
2. The calibrating apparatus for the adjustable multi-channel catalytic combustion methane measuring device according to claim 1, wherein: the standard methane gas concentration of the first air inlet valve (5), the second air inlet valve (6), the third air inlet valve (7) and the fourth air inlet valve (8) is higher and higher in sequence from left to right.
3. The calibrating apparatus for the adjustable multi-channel catalytic combustion methane measuring device according to claim 1, wherein: the three-way joint (18) is connected to a fixing plate (22) in a penetrating mode, the fixing plate (22) is fixedly connected to the inner side of the device shell (1), and the fixing plate (22) and the second support plate (3) are parallel to each other.
4. The calibrating apparatus for the adjustable multi-channel catalytic combustion methane measuring device according to claim 1, wherein: the bottom ends of the first air inlet valve (5), the second air inlet valve (6), the third air inlet valve (7) and the fourth air inlet valve (8) are located inside the air inlet cavity (4), and the bottom ends of the first air outlet valve (13), the second air outlet valve (14), the third air outlet valve (15) and the fourth air outlet valve (16) are located inside the air outlet cavity (12).
5. The calibrating apparatus for the adjustable multi-channel catalytic combustion methane measuring device according to claim 1, wherein: the equal fixedly connected with rotameter (20) of second outlet duct (19) other end, rotameter (20) are located the device shell (1) outside, rotameter (20) one side fixedly connected with end mouth (21) of giving vent to anger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021153413.0U CN212341166U (en) | 2020-06-20 | 2020-06-20 | Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021153413.0U CN212341166U (en) | 2020-06-20 | 2020-06-20 | Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212341166U true CN212341166U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021153413.0U Expired - Fee Related CN212341166U (en) | 2020-06-20 | 2020-06-20 | Adjustable multichannel catalytic combustion formula methane determination ware calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212341166U (en) |
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2020
- 2020-06-20 CN CN202021153413.0U patent/CN212341166U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |