CN212646267U - High concentration NOxGas dilution device - Google Patents
High concentration NOxGas dilution device Download PDFInfo
- Publication number
- CN212646267U CN212646267U CN202020921798.4U CN202020921798U CN212646267U CN 212646267 U CN212646267 U CN 212646267U CN 202020921798 U CN202020921798 U CN 202020921798U CN 212646267 U CN212646267 U CN 212646267U
- Authority
- CN
- China
- Prior art keywords
- gas
- bag
- air
- high concentration
- dilution
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a high concentration NOXThe gas dilution device comprises an air sampler (1), a gas dilution bag (2), and NOXGlass absorber (3), NOXA gas storage bag (4); an air outlet (6) of the air sampler (1) is connected with an air inlet (8) of the gas diluting bag (2) through a silicone tube, and the air inlet (8) of the gas diluting bag (2) is provided with a valve; NOXThe gas storage bag (4) is provided with a gas outlet (10) and NOXA gas outlet (10) of the gas storage bag (4) is connected with a silica gel hose, and the silica gel hose is sealed by a water stop clamp (11); NOXThe glass absorber (3) is provided with a needle head for passing NOXThe needle head of the glass suction device (3) extracts NO from the silica gel hoseXNO gas injection into the gas dilution pocket (2)XAnd a gas inlet. The utility model discloses simple structure, convenient to use, practicality are strong, can realize high concentration NO fastXAnd (4) accurately diluting the gas.
Description
Technical Field
The utility model belongs to the technical field of the metallurgy, concretely relates to high concentration NOXAnd a gas diluting device.
Background
In the field of hydrometallurgy of nitric acid systems such as nitric acid leaching nickel matte and the like, nitric acid reacts with materials to generate NO in flue gasXThe gas concentration is about 70%, and the flue gas absorbs acid. In order to accurately control the process conditions of absorbing air distribution quantity and the like, NO in the flue gas needs to be measuredXThe concentration variation range of the detected flue gas is 1-70 percent according to the variation of the gas concentration and the flue gas concentration in the multi-stage absorption process. Existing multichannel NOXMeasurement of NO in analytical device pairsXThe concentration measurement range is only 0-1500 ppm, so the gas sample to be detected needs to be diluted to the analysis test range of the device before detection.
In high concentration of NOXAccurately collecting dilution air and NO to be detected in gas dilution processXThe gas sample is of vital importance and the air collected is moisture-free and non-freeNOXThe sealing of the dilution unit is also critical.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to current check out test set detecting high concentration NOXThe technical problem existing in gas is to provide a high-concentration NO generator which has simple structure, convenient use and strong practicability and can quickly realize high concentration of NOXDevice for accurate dilution of gas, multichannel NOXMeasurement and analysis device for determining high concentration of NOXCreating conditions.
The utility model adopts the following technical scheme:
high concentration NOXThe gas dilution device is characterized by comprising an air sampler (1), a gas dilution bag (2), and NOXGlass absorber (3), NOXA gas storage bag (4); the air sampler (1) is provided with an air outlet (6) and an air inlet (7), and the gas diluting bag (2) is provided with an air inlet (8) and NOXThe air outlet (6) of the air sampler (1) is connected with the air inlet (8) of the gas diluting bag (2) through a silicone tube, and the air inlet (8) of the gas diluting bag (2) is provided with a valve; said NOXThe gas storage bag (4) is provided with a gas outlet (10), and NO isXA gas outlet (10) of the gas storage bag (4) is connected with a silica gel hose, and the silica gel hose is sealed by a water stop clamp (11); NOXThe glass absorber (3) is provided with a needle head for passing NOXThe needle head of the glass suction device (3) extracts NO from the silica gel hoseXNO gas injection into the gas dilution pocket (2)XAnd a gas inlet.
High concentration of NO according to the aboveXGas dilution device, characterized in that said high concentration of NOXThe concentration of the gas is 1% -70%.
High concentration of NO according to the aboveXGas dilution device, characterized in that the air inlet of the gas dilution bag (2) and the multi-channel NOXThe measurement and analysis equipment (5) is provided with a dilution gas inlet which is connected through a silicone tube.
High concentration of NO according to the aboveXGas dilution device, characterized in that said NOXThe glass absorber (3) is provided with volume scale marks.
The utility model has the advantages of: the device of the utility model detects high-concentration NOXWhen the air is sampled by the air sampler, the air volume can be accurately collected by recording the air flow and the sampling time, and the collected air is dried by the drying agent; NOXThe glass absorber is provided with accurate volume scale marks, so that the gas absorption amount to be detected with high concentration can be accurately measured, and the gas dilution multiple can be accurately calculated; NO of gas dilution bagXThe air inlet buccal sealing mechanism is convenient for the injection of the needle head and can automatically seal after the needle head is pulled out. Through the utility model discloses the device can realize high concentration NOXCan then be used with multichannel NOXMeasuring and analyzing equipment for detecting and analyzing NO in diluted gasXConcentration, and finally, accurately calculating NO in the high-concentration gas sampleXAnd (4) concentration. By using the device of the utility model, high concentration NO can be addedXGas is diluted by 20-500 times to achieve NO of analytical equipmentXThe measurement range of the concentration is required.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 shows a gas diluting bag and multi-channel NOXMeasuring the connection schematic of the analytical device.
Detailed Description
The device of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention relates to a high concentration NOXThe gas dilution device comprises an air sampler 1, a gas dilution bag 2 and NOXGlass suction device 3, NOXA gas storage bag 4; collecting air with NO moisture and accurate volume measurement by using an air sampler, wherein the air sampler 1 is provided with an air outlet 6 and an air inlet 7, and the gas diluting bag 2 is provided with an air inlet 8 and NOXThe air inlet 9, the air outlet 6 of the air sampler 1 is connected with the air inlet 8 of the gas diluting bag 2 through a silicone tube, and the air sampled by the air sampler 1 enters the gas diluting bag 2 through the silicone tube; gas dilution bag2, the air inlet 8 is provided with a valve, so that the control is convenient and the sealing is realized, and the air inlet valve is closed after the air collection is finished. NOXThe gas storage bag 4 is provided with a gas outlet 10, NOXA gas outlet 10 of the gas storage bag 4 is connected with a silica gel hose which is sealed by a water stop clamp 11; NOXThe glass absorber 3 is provided with volume scale marks and is provided with a needle head, NOXGlass extractor 3 from NOXAfter the high-concentration gas is sucked in the gas storage bag 4, the high-concentration NO is addedXGas injection into the gas dilution pocket 2, NO of the gas dilution pocket 2XThe gas inlet is provided with a sealing mechanism, which not only facilitates the injection of the needle, but also realizes the sealing after the needle is pulled out, and NO is pulled outXNO of gas diluting bag 2 behind needle of glass suction device 3XThe gas inlet is automatically closed to complete gas mixing. The air sampler 1 can record the gas flow and the sampling time in the sampling process, and the volume of the sampled air is calculated accordingly; the air sampler 1 has an air drying function to prevent moisture and NO in the airXThe gas reacts to influence the analysis result; the gas flow rate was selected to be 0.2L/min. The air inlet of the gas diluting bag 2 can be used as an air collecting inlet or an air outlet of mixed gas, and after the gas in the gas diluting bag 2 is naturally and uniformly mixed, the silicon rubber tube is connected into the multichannel NO through the air inlet of the gas diluting bag 2XMeasuring and analyzing equipment for introducing mixed gas into multichannel NOXMeasuring the analytical device 5 for detecting NOXAnd (4) concentration. High concentration of NOXThe concentration of the gas is 1% -70%.
Claims (4)
1. High concentration NOXThe gas dilution device is characterized by comprising an air sampler (1), a gas dilution bag (2), and NOXGlass absorber (3), NOXA gas storage bag (4); the air sampler (1) is provided with an air outlet (6) and an air inlet (7), and the gas diluting bag (2) is provided with an air inlet (8) and NOXThe air outlet (6) of the air sampler (1) is connected with the air inlet (8) of the gas diluting bag (2) through a silicone tube, and the air inlet (8) of the gas diluting bag (2) is provided with a valve; said NOXThe gas storage bag (4) is provided with a gas outlet (10), and NO isXA gas outlet (10) of the gas storage bag (4) is connected with a silica gel hose, and the silica gel hose is sealed by a water stop clamp (11); NOXThe glass absorber (3) is provided with a needle head for passing NOXThe needle head of the glass suction device (3) extracts NO from the silica gel hoseXNO gas injection into the gas dilution pocket (2)XAnd a gas inlet.
2. The high concentration of NO according to claim 1XGas dilution device, characterized in that said high concentration of NOXThe concentration of the gas is 1% -70%.
3. The high concentration of NO according to claim 1XGas dilution device, characterized in that the air inlet of the gas dilution bag (2) and the multi-channel NOXThe measurement and analysis equipment (5) is provided with a dilution gas inlet which is connected through a silicone tube.
4. The high concentration of NO according to claim 1XGas dilution device, characterized in that said NOXThe glass absorber (3) is provided with volume scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921798.4U CN212646267U (en) | 2020-05-27 | 2020-05-27 | High concentration NOxGas dilution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921798.4U CN212646267U (en) | 2020-05-27 | 2020-05-27 | High concentration NOxGas dilution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212646267U true CN212646267U (en) | 2021-03-02 |
Family
ID=74797206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020921798.4U Active CN212646267U (en) | 2020-05-27 | 2020-05-27 | High concentration NOxGas dilution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212646267U (en) |
-
2020
- 2020-05-27 CN CN202020921798.4U patent/CN212646267U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105842725A (en) | Method for detecting specific activity of tritiated steam in air | |
| CN111579694B (en) | System and method for analyzing content of trace impurities in deuterium-tritium mixed gas | |
| CN207336476U (en) | Smoke flue gas sampling survey meter | |
| CN204422269U (en) | A kind of portable tritiate hydromining sampling device | |
| CN201903529U (en) | Continuous online ionic migration spectrum monitoring instrument for poisonous gases | |
| CN212646267U (en) | High concentration NOxGas dilution device | |
| CN104535548B (en) | Method for rapidly detecting sulfonamide antibacterial medicines in milk by using in-tube solid-phase micro-extraction technology | |
| CN103487489A (en) | Self-calibration exhaled nitric oxide analyzer | |
| CN201527389U (en) | Detection device of performance of preventing infiltration of chemicals for relief protective clothing materials | |
| CN106066352A (en) | A kind of sulfur hexafluoride gas trace moisture content determinator and method thereof | |
| CN110471098B (en) | Radon radiation dose detection method based on carbon quantum dot fluorescence biosensor | |
| KR101194317B1 (en) | Simple analytical system of water radon | |
| CN109991647B (en) | Application method of radioactive xenon rapid high-sensitivity detection device | |
| CN201828439U (en) | Sampling device of sulphur dioxide gas in flue | |
| WO2005059593A1 (en) | Method and equipment to separate and measure 37ar quickly | |
| CN109406735A (en) | A kind of Portable formaldehyde detection instrument and its application method that can be calibrated automatically | |
| CN108398366A (en) | A kind of power plant's compressed air gaseous mass comprehensive detection and analysis system and method | |
| CN108387649A (en) | Detection method that is a kind of while detecting a variety of pernicious gases in workplace | |
| CN208968765U (en) | A kind of test structure suitable for vent cabinet Leakage inspection | |
| CN108732226A (en) | Thioether class gas-detecting device and method | |
| CN209784284U (en) | Sampling device for detecting components of coke oven flue gas | |
| CN207351767U (en) | A kind of automatic sampling sampling device of expiratory air | |
| CN208091862U (en) | A kind of power plant's compressed air gaseous mass comprehensive detection and analysis system | |
| CN206292213U (en) | Gas circuit formula automates light spectrum detecting apparatus | |
| CN206450478U (en) | Radioactivity inert gas sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |