CN215833349U - Device for diluting and detecting high-concentration gas - Google Patents
Device for diluting and detecting high-concentration gas Download PDFInfo
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- CN215833349U CN215833349U CN202120916850.1U CN202120916850U CN215833349U CN 215833349 U CN215833349 U CN 215833349U CN 202120916850 U CN202120916850 U CN 202120916850U CN 215833349 U CN215833349 U CN 215833349U
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Abstract
The utility model relates to a device for diluting and detecting high-concentration gas, which comprises a detected gas conveying pipeline, a diluted gas conveying pipeline, a mixing component and a detection component, wherein the detected gas conveying pipeline and the diluted gas conveying pipeline are connected with the mixing component in parallel, and the mixing component is connected with the detection component; the mixing component comprises a mixer (31) and an emptying pipe arranged on the mixer (31), wherein the emptying pipe is provided with a one-way valve (32) and an emptying activated carbon adsorber (33). Compared with the prior art, the utility model can dilute and regulate high concentration, and timely detect and feed back the analysis result, and has the advantages of high precision, convenient detection, low cost and the like.
Description
Technical Field
The utility model relates to the field of coating, in particular to a device for diluting and detecting high-concentration gas.
Background
Industrial waste gas that industrial site produced can only discharge after need handling, and during exhaust emission, the detector that the exhaust gas concentration detected after handling need be passed through in the emission detects to monitor whether the exhaust gas is handled and whether handle and accord with the standard.
At present, the measuring range of the waste gas concentration detecting instrument used in industrial production is generally within 1000ppm, if a detecting sensor contacts high-concentration waste gas, the sensor is easy to be passivated, even if the subsequent concentration is reduced, the sensor cannot respond in time, and the concentration is reduced. In industry, sensors with different measuring ranges are generally selected according to the concentration of waste under actual working conditions, and the sensors with large measuring ranges and accurate precision are very expensive; meanwhile, the above method cannot effectively solve the problem in the case of large variation in the concentration of the waste.
Therefore, it is urgently required to develop a device which can dilute and adjust the high concentration and timely detect the feedback analysis result.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and to provide a device for diluting and detecting a high-concentration gas, which can adjust the dilution of the high-concentration gas and timely detect the feedback analysis result.
The purpose of the utility model can be realized by the following technical scheme: a device for diluting and detecting high-concentration gas comprises a detected gas conveying pipeline, a diluted gas conveying pipeline, a mixing assembly and a detection assembly, wherein the detected gas conveying pipeline and the diluted gas conveying pipeline are connected with the mixing assembly in parallel, and the mixing assembly is connected with the detection assembly; the mixing component comprises a mixer and an emptying pipe arranged on the mixer, and the emptying pipe is provided with a one-way valve and an emptying activated carbon adsorber.
Furthermore, a tested gas dryer, a tested gas mixing pump and a tested gas flowmeter are sequentially arranged on the tested gas conveying pipeline.
Furthermore, a dilution gas dryer, an activated carbon absorber, a dilution gas mixing pump and a dilution gas flowmeter are sequentially arranged on the dilution gas conveying pipeline.
Further, the mixer comprises a main body and a sealing cover, wherein an air inlet pipe is arranged on the main body and is respectively connected with a gas conveying pipeline to be detected and a diluted gas conveying pipeline.
Furthermore, a spiral airflow channel is arranged in the mixer.
Furthermore, a detection drainage tube is used on the emptying tube of the mixing assembly and is connected with the detection assembly.
Furthermore, the detection assembly comprises a gas measuring pump, a detection flowmeter and a detection sensor which are sequentially arranged.
Compared with the prior art, the utility model has the following advantages:
1. the utility model leads in the diluting gas (which can be air, nitrogen or inert gas) to accurately dilute the high-concentration gas to meet the accurate detection of the low-concentration measuring instrument by connecting a diluting gas pipeline in parallel on the tested gas conveying pipeline.
2. The utility model arranges the diluent gas flowmeter and the diluent gas mixing pump on the diluent gas conveying pipeline, and can realize the adjustment of the dilution ratio by adjusting the size of the diluent gas mixing pump, thus being accurate and convenient.
Meanwhile, a tested gas mixing pump and a tested gas flowmeter are arranged on the tested gas conveying pipeline, and the requirements of continuous detection and intermittent detection can be met by adjusting the diluting gas mixing pump and the tested gas mixing pump.
3. The special mixing component is arranged, so that uniform mixing is ensured.
4. When detection is not needed, the detected gas mixing pump can be closed, and the detection sensor is reset by using diluent gas, so that the next detection is facilitated.
Drawings
FIG. 1 is a schematic view of the gun-washing device according to the present invention;
the labels in the figure are: 10-dilution gas dryer, 11-activated carbon absorber, 12-dilution gas flowmeter, 13-dilution gas mixing pump, 21-tested gas dryer, 22-tested gas mixing pump, 23-tested gas flowmeter, 31-mixer, 32-one-way valve, 33-evacuation activated carbon absorber, 41-gas measuring pump, 42-detection flowmeter, 43-detection sensor.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
The various components used in the present invention are commercially available products unless otherwise specified.
If the tested gas mixing pump 22 can be selected from the RDB-100 pump of Nanjing energy marking machine electric equipment company Limited;
the measured gas flowmeter 23 can be selected from a LUGBDN15 digital display flowmeter sold by Shanghai Ge sensor technology Co., Ltd;
the diluent gas flow meter 12 may be selected from the LUGBDN32 digital display flow meter sold by sego sensor technologies, inc;
the diluting gas mixing pump 13 can be an N86KTE pump of Nanjing energy marking machine electric equipment Limited company;
the gas measuring pump 41 can be selected from RDB-100 pump of Nanjing energy marking machine electric equipment company Limited;
the meter under test 42 may be implemented as a LUGBDN15 digital display meter sold by agonsi technologies, inc.
Examples
As shown in fig. 1, an apparatus for diluting and detecting a high concentration gas includes a detected gas delivery pipeline, a diluted gas delivery pipeline, a mixing component and a detecting component, wherein the detected gas delivery pipeline and the diluted gas delivery pipeline are connected in parallel to the mixing component, and the mixing component is connected to the detecting component;
wherein, a tested gas dryer 21, a tested gas mixing pump 22 and a tested gas flowmeter 23 are sequentially arranged on the tested gas conveying pipeline.
The dilution gas conveying pipeline is sequentially provided with a dilution gas dryer 10, an activated carbon adsorber 11, a dilution gas mixing pump 13 and a dilution gas flowmeter 12.
The mixing component comprises a mixer 31 and an emptying pipe arranged on the mixer 31, wherein a one-way valve 32 and an emptying activated carbon adsorber 33 are arranged on the emptying pipe.
The mixer 31 comprises a main body and a sealing cover, wherein an air inlet pipe is arranged on the main body and is respectively connected with a gas conveying pipeline to be detected and a diluent gas conveying pipeline. A spiral airflow channel is arranged in the mixer 31. The emptying pipe of the mixing component is provided with a detection drainage pipe, and the detection drainage pipe is connected with the detection component.
The detection assembly comprises a gas measuring pump 41, a detection flow meter 42 and a detection sensor 43 which are arranged in sequence.
When in use, the utility model is used,
the high-concentration gas to be detected is dried sequentially through a gas dryer 21, a gas mixing pump 22 and a gas flowmeter 23 and then is sent to a mixer 31 in a flow control manner;
inert gas (diluent gas) passes through a diluent gas dryer 10, an activated carbon adsorber 11, a diluent gas flowmeter 12 and a diluent gas mixing pump 13 in sequence, is dried, purified and sent into a mixer 31 with flow controlled;
the two gases are fully mixed in the mixer 31;
the mixed gas is powered by the gas measuring pump 41, and the detection flow meter 42 can control the flow according to the flow required by the sensor and send the gas to the detection sensor 43 for detection and analysis;
the check valve 33 has the functions of regulating and compensating the pressure difference (only air is discharged, and air is not discharged), and the emptying activated carbon adsorber 33 has the functions of air purification and filtration;
the concentration dilution ratio is adjusted in real time to achieve the effect of accurate detection by reading the data of the two flow meters of the dilution gas flow meter 12 and the measured gas flow meter 23.
Aiming at the characteristics of high concentration and intermittent discharge of waste gas in industrial production, the utility model can adjust the air input of the entering diluent gas according to the concentration of the waste gas, ensure that the diluted and mixed waste gas meets the detection requirement, select the sensors with uniform specification for detection, be favorable for the safe and stable operation of the sensors, reduce the cost, dilute and adjust the high concentration and timely detect and feed back the analysis result.
It is to be understood that the specific embodiments described are merely illustrative of and not restrictive on the broad invention, and that modifications and variations such as would be obvious to those skilled in the art are intended to be included within the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The device for diluting and detecting the high-concentration gas is characterized by comprising a detected gas conveying pipeline, a diluted gas conveying pipeline, a mixing component and a detecting component, wherein the detected gas conveying pipeline and the diluted gas conveying pipeline are connected with the mixing component in parallel, and the mixing component is connected with the detecting component; the mixing component comprises a mixer (31) and an emptying pipe arranged on the mixer (31), wherein the emptying pipe is provided with a one-way valve (32) and an emptying activated carbon adsorber (33).
2. The device for diluting and detecting the high-concentration gas as claimed in claim 1, wherein a tested gas dryer (21), a tested gas mixing pump (22) and a tested gas flowmeter (23) are sequentially arranged on the tested gas conveying pipeline.
3. The device for diluting and detecting the high-concentration gas according to claim 1, wherein a diluting gas dryer (10), an activated carbon adsorber (11), a diluting gas mixing pump (13) and a diluting gas flowmeter (12) are sequentially arranged on the diluting gas conveying pipeline.
4. The device for diluting and detecting the high-concentration gas as claimed in claim 1, wherein the mixer (31) comprises a main body and a sealing cover, and the main body is provided with a gas inlet pipe which is respectively connected with a gas conveying pipeline to be detected and a diluted gas conveying pipeline.
5. The device for diluting and detecting the high-concentration gas in accordance with claim 4, wherein a spiral gas flow passage is provided in the mixer (31).
6. The apparatus for dilution and detection of high concentration gas of claim 1, wherein a detection drain is used on the evacuation pipe of the mixing module, and the detection drain is connected with the detection module.
7. The device for diluting and detecting the high concentration gas in accordance with claim 1, wherein the detecting unit comprises a gas measuring pump (41), a detecting flow meter (42) and a detecting sensor (43) which are arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120916850.1U CN215833349U (en) | 2021-04-29 | 2021-04-29 | Device for diluting and detecting high-concentration gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120916850.1U CN215833349U (en) | 2021-04-29 | 2021-04-29 | Device for diluting and detecting high-concentration gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215833349U true CN215833349U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120916850.1U Active CN215833349U (en) | 2021-04-29 | 2021-04-29 | Device for diluting and detecting high-concentration gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN215833349U (en) |
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2021
- 2021-04-29 CN CN202120916850.1U patent/CN215833349U/en active Active
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