CN211636016U - Zero gas generating device - Google Patents
Zero gas generating device Download PDFInfo
- Publication number
- CN211636016U CN211636016U CN201922500570.8U CN201922500570U CN211636016U CN 211636016 U CN211636016 U CN 211636016U CN 201922500570 U CN201922500570 U CN 201922500570U CN 211636016 U CN211636016 U CN 211636016U
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- CN
- China
- Prior art keywords
- zero gas
- filter
- molecular sieve
- generating device
- air
- 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.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 28
- 230000003647 oxidation Effects 0.000 claims abstract description 26
- 239000002808 molecular sieve Substances 0.000 claims abstract description 24
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000003197 catalytic effect Effects 0.000 claims abstract description 23
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical group [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- SEIGJEJVIMIXIU-UHFFFAOYSA-J aluminum;sodium;carbonate;dihydroxide Chemical group [Na+].O[Al+]O.[O-]C([O-])=O SEIGJEJVIMIXIU-UHFFFAOYSA-J 0.000 claims abstract description 4
- 229940015828 dihydroxyaluminum sodium carbonate Drugs 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 9
- 238000007791 dehumidification Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 229930195733 hydrocarbon Natural products 0.000 abstract description 3
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 57
- 238000001514 detection method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- -1 alkane organic compounds Chemical class 0.000 description 2
- VCNTUJWBXWAWEJ-UHFFFAOYSA-J aluminum;sodium;dicarbonate Chemical compound [Na+].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O VCNTUJWBXWAWEJ-UHFFFAOYSA-J 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model provides a zero gas generating device, belonging to the technical field of gas detecting devices, comprising a dehumidifying and dedusting filter, a molecular sieve, an oxidation catalytic reactor, an active carbon filter and an air pump which are sequentially communicated; the filler in the molecular sieve is aluminum silicate; the catalyst in the oxidation catalytic reactor is dihydroxy aluminum sodium carbonate. The utility model provides a zero gas that zero gas generating device produced is clean, dry, and stability is good in the use, can effectively get rid of moisture, SO in the air2、NO、NO2、O3、H2S and hydrocarbon gas, and the equipment is simple and compactThe volume is small, and the device is convenient to integrate with small-volume equipment.
Description
Technical Field
The utility model belongs to the technical field of gaseous detection device, more specifically say, relate to a zero gas generating device.
Background
Zero gas is a gas that shows zero when it enters a gas detection analyzer, and zero gas should not contain components to be measured or interfering substances, but may contain components unrelated to measurement.
The zero gas generator is used for processing air to obtain zero gas, can effectively filter gas to be detected in the air, and is widely applied to environment monitoring stations, industrial and mining enterprises and the like as a zero calibrator of gas analyzers. In the zero gas generator in the prior art, air generally passes through an air compressor, a water storage bottle, a pressure regulating valve, an oxidation catalytic reaction device, an oxidant and an active carbon treatment device in sequence, so that high-purity air is obtained as zero gas. However, such zero gas generators suffer from the following disadvantages: 1) incomplete air drying during continuous use; 2) the output pressure is unstable; 3) the reaction process is single, part of gas to be detected cannot be removed through oxidation reaction, fine particles cannot be removed, and finally output zero gas cannot meet the use requirement; 4) the device is bulky and not easy to integrate with small-sized devices.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a zero gas generating device aims at solving the problem that the zero gas that produces among the current zero gas generating device is dry thoroughly, poor stability, the gaseous single and equipment that await measuring of removable is complicated, be difficult to with small equipment integration.
In order to solve the above problem, the utility model adopts the following technical scheme: providing a zero gas generating device, which comprises a dehumidifying and dedusting filter, a molecular sieve, an oxidation catalytic reactor, an activated carbon filter and an air pump which are sequentially communicated; the filler in the molecular sieve is aluminum silicate; the catalyst in the oxidation catalytic reactor is dihydroxy aluminum sodium carbonate.
As another embodiment of the present application, the air pump further comprises a controller electrically connected to the air pump.
As another embodiment of the present application, the moisture and dust removing filter is a hydrazine filter.
As another embodiment of the present application, the filter membrane in the water hydrazine filter is a PTFE membrane.
As another embodiment of the present application, the moisture and dust removing filter is in communication with the molecular sieve through an air inlet valve.
As another embodiment of the present application, the intake valve is a solenoid valve.
As another embodiment of the present application, the activated carbon filter is in communication with the air pump through an air outlet valve.
As another embodiment of the present application, the outlet valve is a solenoid valve.
As another embodiment of the present application, the solenoid valve is electrically connected to the controller.
As another embodiment of the present application, the dehumidification dust removal filter and the air passages between the molecular sieves, between the molecular sieves and the oxidation catalytic reactors, between the oxidation catalytic reactors and the activated carbon filters and between the activated carbon filters and the air pumps are all communicated through the quick connectors.
The utility model provides a zero gas generating device's beneficial effect lies in: compared with the prior art, the utility model discloses zero gas generating device through set up aluminium silicate salt molecular sieve between dehumidification dust removal filter and oxidation catalytic reactor, can thoroughly get rid of moisture and particulate matter in the air, and the dihydroxyl aluminium sodium carbonate that adds in oxidation catalytic reactor is as the catalyst, can be with CO-HC, H in the air2Catalytic oxidation of S and NO to water, CO2、SO2And NO2Water and CO produced2、SO2And NO2And the non-oxidized alkane organic compounds enter the activated carbon filter to be rapidly absorbed, and finally, the moisture, SO2, NO and NO in the air can be removed2、O3、H2S and hydrocarbon gas to obtain clean and dry zero gas which can be used as the zero gas for detecting most gases, the whole zero gas generating device has good stability, the obtained zero gas has good purity, and the zero gas is thoroughly dried and does not contain particles; just the utility model discloses a zero gas generating device is small, and is convenient and multiple equipment integration.
Drawings
Fig. 1 is a schematic structural diagram of a zero gas generating device provided by an embodiment of the present invention.
In the figure: 1. a dehumidifying and dedusting filter; 2. a molecular sieve; 3. an oxidation catalytic reactor; 4. an activated carbon filter; 5. an air pump; 6. a controller; 7. an intake valve; 8. and an air outlet valve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a zero gas generating device according to the present invention will now be described. The zero gas generating device comprises a dehumidifying and dedusting filter 1, a molecular sieve 2, an oxidation catalytic reactor 3, an activated carbon filter 4 and an air pump 5 which are sequentially communicated; the filler in the molecular sieve 2 is aluminum silicate; the catalyst in the oxidation catalytic reactor 3 is dihydroxy sodium aluminum carbonate.
The working principle of the zero gas generating device is as follows: firstly, the air pump 5 is opened to provide negative pressure inside the device, air enters the dehumidifying and dedusting filter 1 from the air inlet, most of moisture and particulate matters in the air are filtered, the primarily filtered air enters the molecular sieve 2 to ensure that the moisture and the particulate matters are completely removed, and then the air enters the oxidation catalytic reactor 3 to remove CO-HC and H in the air2Oxidation catalysis of compounds such as S and NO into water, SO2、CO2And NO2Then the NO in the oxidized gas and the air is filtered by an active carbon filter 42、O3、SO2And organic compounds such as alkanes and the like are absorbed, and finally the clean and dry zero gas passes through the gas pump 5 or is used as the zero gas for gas detection or other purposes.
The utility model provides a zero gas generating device, compared with the prior art, the utility model discloses zero gas generating device through set up aluminium silicate salt molecular sieve between dehumidification dust removal filter and oxidation catalytic reactor, can thoroughly get rid of moisture and particulate matter in the air, and the dihydroxy aluminum sodium carbonate that adds in oxidation catalytic reactor is as the catalyst, can be with CO-HC in the air, H2Catalytic oxidation of S and NO to water, CO2、SO2And NO2Water and CO produced2、SO2And NO2And the non-oxidized alkane organic compounds enter the activated carbon filter to be rapidly absorbed, and finally, the moisture, SO2, NO and NO in the air can be removed2、O3、H2S and hydrocarbon gas to obtain clean and dry zero gas which can be used as the zero gas for detecting most gases, the whole zero gas generating device has good stability, the obtained zero gas has good purity, and the zero gas is thoroughly dried and does not contain particles; just the utility model discloses a zero gas generating device is small, and is convenient and multiple equipment integration.
As a specific embodiment of the zero gas generating device provided by the present invention, the device further comprises a controller 6 electrically connected to the air pump 5.
The controller 6 connected in the embodiment can control the start and stop of the air pump 5, can be programmed on the basis of the single chip microcomputer, realizes the automatic control of zero gas production in integrated equipment, periodically triggers the start and stop of the zero gas generator, reduces the continuous long-time work of the zero gas generator, and further ensures the reliable and stable performance of the zero gas generator.
As a specific implementation manner of the embodiment of the present invention, the dehumidifying and dust-removing filter 1 is a water hydrazine filter.
The use of a hydrazine filter in this embodiment avoids air leakage and incomplete filtration during air filtration.
As a specific implementation manner of the embodiment of the present invention, the filter membrane in the water hydrazine filter is a PTFE membrane.
The hydrophobic PTFE membrane dehumidification of adopting in this embodiment strains the dirt, need not the power consumption, does not need the condensation, and the device is small-size, and is easily changed, and its filtration membrane as water hydrazine filter can effectively filter most water and particulate matter in the air.
As a specific implementation manner of the embodiment of the present invention, the dehumidifying and dust-removing filter 1 is communicated with the molecular sieve 2 through the air inlet valve 7.
As a specific implementation manner of the embodiment of the present invention, the intake valve 7 is an electromagnetic valve.
As a specific implementation manner of the embodiment of the present invention, the activated carbon filter 4 is communicated with the air pump 5 through the air outlet valve 8.
As a specific implementation manner of the embodiment of the present invention, the air outlet valve 8 is an electromagnetic valve.
As a specific implementation manner of the embodiment of the present invention, the electromagnetic valve is electrically connected to the controller 6.
The air inlet valve and the air outlet valve which are adopted in the embodiment are both electromagnetic valves, are communicated with the controller 6 through the electromagnetic valves, and can further control the generation of zero gas and the going direction of the generated zero gas by controlling the on-off of the electromagnetic valves through the controller 6.
As a specific implementation manner of the embodiment of the present invention, the gas paths between the dehumidification dust-removal filter 1 and the molecular sieve 2, between the molecular sieve 2 and the oxidation catalytic reactor 3, between the oxidation catalytic reactor 3 and the activated carbon filter 4, and between the activated carbon filter 4 and the air pump 5 are all communicated through the quick connector.
In this embodiment, the dehumidification and dust removal filter 1 and the molecular sieve 2, the molecular sieve 2 and the oxidation catalytic reactor 3, the oxidation catalytic reactor 3 and the activated carbon filter 4, and the activated carbon filter 4 and the air pump 5 are all communicated through the quick connector, so that the dehumidification and dust removal filter 1, the oxidation catalytic reactor 3, the molecular sieve 2 and the activated carbon filter 4 need to be regularly or irregularly detected, maintained and replaced according to the use frequency of the zero gas generation device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A zero gas generating device is characterized by comprising a dehumidifying and dedusting filter, a molecular sieve, an oxidation catalytic reactor, an activated carbon filter and an air pump which are sequentially communicated; the filler in the molecular sieve is aluminum silicate; the catalyst in the oxidation catalytic reactor is dihydroxy aluminum sodium carbonate.
2. The zero gas generation device of claim 1, further comprising a controller electrically connected to the air pump.
3. The zero gas generation device of claim 1, characterized in that the dehumidifying dust-removing filter is a water hydrazine filter.
4. A zero gas generation device according to claim 3, wherein the filter membrane in the water hydrazine filter is a PTFE membrane.
5. The zero gas generating apparatus according to claim 2, wherein the moisture and dust removing filter is in communication with the molecular sieve through an air inlet valve.
6. The zero gas generator of claim 5, characterized in that the intake valve is a solenoid valve.
7. The zero gas generation device according to claim 2, wherein the activated carbon filter is in communication with the air pump through an air outlet valve.
8. A zero gas generating device according to claim 7, characterized in that the gas outlet valve is a solenoid valve.
9. A zero gas generating device according to claim 6 or 8, characterized in that the solenoid valve is electrically connected with the controller.
10. The zero gas generation device of claim 1, characterized in that gas paths between the dehumidification dust removal filter and the molecular sieve, between the molecular sieve and the oxidation catalytic reactor, between the oxidation catalytic reactor and the activated carbon filter, and between the activated carbon filter and the gas pump are all communicated through quick connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500570.8U CN211636016U (en) | 2019-12-31 | 2019-12-31 | Zero gas generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500570.8U CN211636016U (en) | 2019-12-31 | 2019-12-31 | Zero gas generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211636016U true CN211636016U (en) | 2020-10-09 |
Family
ID=72702878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500570.8U Expired - Fee Related CN211636016U (en) | 2019-12-31 | 2019-12-31 | Zero gas generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211636016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750728A (en) * | 2021-09-11 | 2021-12-07 | 河南省奥瑞环保科技股份有限公司 | CO2/CH4Ultra-clean zero-gas generation method |
-
2019
- 2019-12-31 CN CN201922500570.8U patent/CN211636016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750728A (en) * | 2021-09-11 | 2021-12-07 | 河南省奥瑞环保科技股份有限公司 | CO2/CH4Ultra-clean zero-gas generation method |
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Legal Events
| 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: 20201009 |