CN214051559U - Gas generating device - Google Patents
Gas generating device Download PDFInfo
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- CN214051559U CN214051559U CN202022924376.5U CN202022924376U CN214051559U CN 214051559 U CN214051559 U CN 214051559U CN 202022924376 U CN202022924376 U CN 202022924376U CN 214051559 U CN214051559 U CN 214051559U
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- oil bath
- air pump
- generating apparatus
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Abstract
A gas generating device, stretch the free end of the air outlet pipe into the laboratory cabin, penetrate the sealed pad through the trace sample injection needle and then add the target liquid sample into the oil bath heater in the mixing chamber, gasify the target liquid sample through the oil bath heating, and through turning on the air pump, make the gasified target liquid sample discharge from the air outlet pipe to the laboratory cabin along with the dry clean air that the air pump forms, because in the test process, can add the target liquid sample continuously through the trace sample injection needle, therefore can realize the continuous mass generation of the target gas of the required concentration, and through the effect of the air pump, can make the target gas enter the laboratory cabin fast, meanwhile, because adopt the oil bath heating way to heat the target liquid sample, therefore heat evenly, the gasification efficiency is high, through the mixing chamber and the air pump and the oil bath heater's coaction, can realize the gas homogeneity is good, the test period is short, and the test accuracy is high.
Description
Technical Field
The utility model relates to a gas generating device.
Background
According to the content of a new national standard (GB/T18801-2015) of the air purifier, a detection index of the accumulated purification quantity (CCM) of the gaseous pollutants is newly added. However, no gas generating device is available on the market today which is specifically intended for CCM testing of gaseous pollutants. The existing gas generating device heats liquid pollutants by adopting an electric heating wire, the heating is not uniform enough, the gasification efficiency is low, the test period is long, the formed gas uniformity is poor, the gas generating device is only suitable for gas generation experiments with low concentration and small range, and the test result is inaccurate when the gas pollutants are subjected to CCM tests for a large amount of gas. Therefore, the development and the exploration of the gas generating device applicable to the gaseous pollutant CCM test have important practical and theoretical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, the heating is even, gaseous homogeneity is good, gasification efficiency is high and can high concentration, take place gaseous gas generator on a large scale.
The utility model relates to a gas generating device, which comprises a transparent and airtight mixing chamber and an air pump, wherein an air outlet of the air pump is communicated with the mixing chamber through a pipeline, an air drying device is also arranged on the pipeline, and an oil bath heater is arranged on the bottom surface inside the mixing chamber; the gas generating device also comprises an air outlet pipe, one end of the air outlet pipe is communicated with the mixing chamber, a sample adding hole is arranged on the mixing chamber, and a sealing gasket for sealing the sample adding hole is arranged at the sample adding hole.
The utility model relates to a gas generating device, the free end of outlet duct is stretched into the laboratory cabin, through micro-sampling needle run through sealed pad back to add the target liquid sample to the oil bath heater in the mixing chamber, through the gasification of target liquid sample by oil bath heating, and through opening the air pump, make the gasified target liquid sample discharge to the laboratory cabin from the outlet duct along with the dry clean air that the air pump formed, because in the test process, can add the target liquid sample through micro-sampling needle in succession, therefore can realize the continuous a large amount of target gas that takes place the required concentration, and through the effect of air pump, can make the target gas get into the laboratory cabin fast, simultaneously, because adopt the mode of oil bath heating to heat the target liquid sample, therefore the heating is even, the gasification efficiency is high, through the combined cooperation of mixing chamber and air pump and oil bath heater, the gas uniformity is good, the test period is short, and the test accuracy is high. In addition, the gas generating device is suitable for testing different target liquid samples, so that the application range is wide. The gas generating device has the advantages of simple structure, convenient operation and low cost.
Drawings
Fig. 1 is a schematic structural diagram (perspective view) of the present invention.
Detailed Description
A gas generating device is shown in figure 1 and comprises a transparent and closed blending chamber 5 and an air pump 1, wherein an air outlet of the air pump 1 is communicated with the blending chamber 5 through a pipeline, an air drying device 2 is further arranged on the pipeline, and an oil bath heater 4 is arranged on the bottom surface inside the blending chamber 5; the gas generating device also comprises an air outlet pipe 16, one end of the air outlet pipe 16 is communicated with the blending chamber 5, a sample adding hole is arranged on the blending chamber 5, and a sealing gasket 12 for sealing the sample adding hole is arranged at the sample adding hole. The oil bath heater 4 is in the prior art, and the target liquid sample can be gasified more uniformly by oil bath heating, so that the test result is accurate and reliable. The air drying device 2 is activated carbon particles. The gasket 12 is made of rubber. The material of the air outlet pipe 16 is non-adsorption polytetrafluoroethylene.
The oil bath heater 4 is provided with a groove for containing a target liquid sample conveniently.
The pipeline is provided with a float flowmeter 3, and the gas flow of the air pump 1 can be regulated and controlled through the float flowmeter 3 so as to control the outflow speed of the mixed gas in the mixing chamber 5 as required. The float flow meter 3 is prior art.
The gas generating device also comprises a temperature display screen 9 for controlling and displaying the temperature of the oil bath heater 4. The temperature of the oil bath heater 4 can be regulated, controlled and observed by a tester through the temperature display screen 9. The electric connection relationship between the oil bath heater 4 and the temperature display screen 9 belongs to the prior art.
The gas generating device comprises a box body 17, the air pump 1 is arranged in the box body 17, and an air inlet of the air pump is communicated with the outside atmosphere through a pipeline penetrating through the box body 17; a supporting plate 14 is arranged in the middle of the box body 17, and the blending chamber 5 is arranged on the supporting plate 14; the temperature display screen 9 is arranged on the outer surface of the box body 17, and the display screen of the float flowmeter 3 and the flow regulating button 11 are both arranged on the outer surface of the box body 17; the free end of the air outlet pipe 16 penetrates through the wall surface of the box body 17 and then extends out of the box body 17. The top surface of the box body 17 is provided with a sample inlet hole 8 for a micro sample injection needle 6 to pass through.
The side wall of the box body 17 is provided with a heat radiation port 10, which is convenient for radiating heat in the box body 17 in time.
The inner side wall of the box body 17 is also provided with a heat radiation fan 13 to accelerate the hot air in the box body 17 to be rapidly diffused out of the box body 17.
The part of the gas outlet pipe 16 extending out of the box body 17 is wrapped with the heat preservation pipe 15, so that the heat preservation effect of gas is improved, and the liquefaction of a gasified target liquid sample is avoided.
The top surface of the box body 17 is a transparent observation window 18, so that the internal condition of the box body 17 can be observed conveniently.
Claims (9)
1. A gas-generating apparatus characterized by: the air drying device comprises a transparent and closed blending chamber (5) and an air pump (1), wherein an air outlet of the air pump (1) is communicated with the blending chamber (5) through a pipeline, an air drying device (2) is further arranged on the pipeline, and an oil bath heater (4) is arranged on the bottom surface inside the blending chamber (5); the gas generating device also comprises an air outlet pipe (16), one end of the air outlet pipe (16) is communicated with the blending chamber (5), a sample adding hole is arranged on the blending chamber (5), and a sealing gasket (12) for sealing the sample adding hole is arranged at the sample adding hole.
2. A gas-generating apparatus as defined in claim 1, wherein: and a groove is formed in the oil bath heater (4).
3. A gas-generating apparatus as defined in claim 2, wherein: and a float flowmeter (3) is arranged on the pipeline.
4. A gas-generating apparatus as defined in claim 3, wherein: the gas generating device also comprises a temperature display screen (9) for controlling and displaying the temperature of the oil bath heater (4).
5. A gas-generating apparatus as defined in claim 4, wherein: the gas generating device comprises a box body (17), the air pump (1) is arranged in the box body (17), and an air inlet of the air pump is communicated with the outside atmosphere through a pipeline penetrating through the box body (17); a supporting plate (14) is arranged in the middle of the box body (17), and the blending chamber (5) is arranged on the supporting plate (14); the temperature display screen (9) is arranged on the outer surface of the box body (17), and the display screen of the float flowmeter (3) and the flow regulating button 11 are arranged on the outer surface of the box body (17); the free end of the air outlet pipe (16) penetrates through the wall surface of the box body (17) and then extends out of the box body (17).
6. A gas-generating apparatus as defined in claim 5, wherein: the side wall of the box body (17) is provided with a heat radiation opening (10).
7. A gas-generating apparatus as defined in claim 6, wherein: and a heat radiation fan (13) is also arranged on the inner side wall of the box body (17).
8. A gas-generating apparatus as defined in any one of claims 5 to 7, wherein: the part of the air outlet pipe (16) extending out of the box body (17) is wrapped with a heat preservation pipe (15).
9. A gas-generating apparatus as defined in claim 8, wherein: the top surface of the box body (17) is a transparent observation window (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924376.5U CN214051559U (en) | 2020-12-09 | 2020-12-09 | Gas generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924376.5U CN214051559U (en) | 2020-12-09 | 2020-12-09 | Gas generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214051559U true CN214051559U (en) | 2021-08-27 |
Family
ID=77406527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022924376.5U Active CN214051559U (en) | 2020-12-09 | 2020-12-09 | Gas generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214051559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405410A (en) * | 2021-12-30 | 2022-04-29 | 常州大学 | High-purity dry formaldehyde gas generating device and method with stable concentration |
-
2020
- 2020-12-09 CN CN202022924376.5U patent/CN214051559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405410A (en) * | 2021-12-30 | 2022-04-29 | 常州大学 | High-purity dry formaldehyde gas generating device and method with stable concentration |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230316 Address after: 510663 1 Pinnacle Road, Luogang District, Guangzhou, Guangdong Patentee after: Guangzhou Institute of Microbiology Group Co.,Ltd. Address before: 510663 1 Pinnacle Road, Luogang District, Guangzhou, Guangdong Patentee before: Guangzhou Institute of Microbiology Co.,Ltd. |