CN219836317U - Gas chromatograph filter equipment - Google Patents
Gas chromatograph filter equipment Download PDFInfo
- Publication number
- CN219836317U CN219836317U CN202320685489.5U CN202320685489U CN219836317U CN 219836317 U CN219836317 U CN 219836317U CN 202320685489 U CN202320685489 U CN 202320685489U CN 219836317 U CN219836317 U CN 219836317U
- Authority
- CN
- China
- Prior art keywords
- filter
- gas chromatograph
- filtering device
- filter equipment
- cartridges
- 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
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims description 27
- 239000011324 bead Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a gas chromatograph filtering device which is characterized by comprising a primary filtering device and a secondary filtering device, wherein the primary filtering device is connected with the secondary filtering device in series, the air inlet end of the primary filtering device is connected with an external air source, the primary filtering device comprises a main body, a grating plate is arranged in the inner cavity of the main body, the grating plate is transversely arranged, the air inlet end is arranged on the outer wall of the main body and limited below the grating plate, and an air outlet end and a material changing port are also arranged on the outer wall of the main body, and the air outlet end is limited above the grating plate. Through the device, can avoid dismantling the cartridge filter often, only need to change the absorption pearl in the one-level filter equipment at suitable time, just can improve whole filter equipment's life.
Description
Technical Field
The utility model belongs to the technical field of filtration, and particularly relates to a gas chromatograph filtration device.
Background
Gas chromatographs are instruments that utilize chromatographic separation techniques and detection techniques to perform qualitative and quantitative analysis of complex mixtures of multiple components. The air inlet of the gas chromatograph is usually directly led into a silica gel filter on the instrument from an air compressor for filtering, but the space in a silica gel filter column is limited, and the silica gel filter column is usually replaced once in 3-4 days and is too frequently replaced, so that the filter column is easy to break. And, when adsorption beads in the silica gel filter are saturated, the adsorption beads are not easy to find in time, so that the filtration effect is poor, and the work of the gas chromatograph is affected seriously.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides a technical scheme of a gas chromatograph filtering device with long service time and prompt effect.
A gas chromatograph filter equipment, its characterized in that include one-level filter equipment and secondary filter equipment, one-level filter equipment with secondary filter equipment establishes ties and sets up, one-level filter equipment's inlet end is connected with external air supply, one-level filter equipment includes the main part, be provided with the grid board in the main part inner chamber, the grid board transversely sets up, the inlet end sets up the outer wall of main part, spacing be in the below of grid board, still be provided with outlet end and reload mouth on the outer wall of main part, the outlet end is spacing be in the top of grid board.
Further, the inner cavity of the main body is filled with the adsorption beads, the grating plates are arranged at the bottoms of the adsorption beads, and the aperture of each grating plate is smaller than the diameter of each adsorption bead.
Further, the grating plate divides the inner cavity of the main body into a filtering area and a channel area, and the channel area is communicated with the air inlet end.
Furthermore, a sealing plug is detachably arranged in the refueling port.
Further, the secondary filter device comprises a base, at least one group of filter cartridges are arranged on the base, an air inlet pipe and an air outlet pipe are arranged on the base and are connected into the filter cartridges, and the filter cartridges are provided with transparent shells.
Further, the cartridge filter is provided with the multiunit, and the below of every group cartridge filter corresponds respectively to be provided with intake pipe and outlet duct.
Further, the adjacent filter cartridge positions are arranged in series or in parallel.
Further, an assembly groove is formed in the base, a sealing ring is arranged at the notch of the assembly groove, and the filter cartridge is detachably arranged in the assembly groove.
Further, the filter cartridge is filled with adsorption beads.
Compared with the prior art, the utility model has the following advantages:
the device is provided with a primary filter device and a secondary filter device, wherein the primary filter device is mainly used for absorbing water to nitrogen and keeping the nitrogen dry. And the second grade filter equipment, cartridge filter set up transparent shell, conveniently observe the state of adsorbing the pearl, adsorb the saturation when the filter column in the one-level filter equipment, then adsorb the pearl in the cartridge filter and absorb moisture, make the pearl produce the change, after observing the pearl change in the cartridge filter, in time change the pearl that adsorbs in the one-level filter equipment.
Through the device, can avoid dismantling the cartridge filter often, only need to change the absorption pearl in the one-level filter equipment at suitable time, just can improve whole filter equipment's life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a series connection of two-stage filtration devices;
FIG. 3 is a schematic diagram of a parallel connection of a two-stage filter.
In the figure: 1a first-stage filtering device; 11 air inlet end; 12, an air outlet end; 13 grating plates; 14, a material changing port; 1A filtration zone; 1B channel region; 2 a secondary filtering device; a 21 base; 22 a filter cartridge; 23 air inlet pipes; 24 outlet duct.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a gas chromatograph filter device includes a primary filter device 1 and a secondary filter device 2, the primary filter device 1 and the secondary filter device 2 being arranged in series. The secondary filter device 2 comprises a base 21, at least one group of filter cartridges 22 are arranged on the base 21, an air inlet pipe 23 and an air outlet pipe 24 are arranged on the base 21 and are connected into the filter cartridges 22, and the filter cartridges 22 are provided with transparent shells.
In this embodiment, the filter cartridge 22 is provided with 3 groups, and according to the requirement, three groups of filter cartridges can be connected in series, so as to improve the filtering effect, or the three groups of filter cartridges can be connected in parallel and connected to three independent air sources respectively, so that the functionality of the secondary filter 2 is improved, and the multiple groups of primary filtering devices can be monitored simultaneously. The serial connection and the parallel connection are respectively communicated through pipelines.
Specifically, the monitoring of the adsorption state of the adsorption beads 3 in the primary filter device by the filter cartridge 22 can be achieved by simply connecting the primary filter device in series with a set of filter cartridges.
An air inlet pipe 23 and an air outlet pipe 24 are correspondingly arranged below each group of filter cartridges 22. The base 21 is provided with an assembly groove, a sealing ring is arranged at the notch position of the assembly groove, and the filter cartridge 22 is detachably arranged in the assembly groove. The filter cartridge 22 is filled with the adsorption beads 3.
The air inlet end 11 of the primary filtering device 1 is connected with an external air source, the primary filtering device 1 comprises a main body, a grating plate 13 is arranged in an inner cavity of the main body, the grating plate 13 is transversely arranged, the air inlet end 11 is arranged on the outer wall of the main body and limited below the grating plate 13, an air outlet end 12 and a material changing port 14 are further arranged on the outer wall of the main body, and the air outlet end 12 is limited above the grating plate 13. The inner cavity of the main body is filled with the adsorption beads 3, the grating plates 13 are arranged at the bottoms of the adsorption beads 3, and the aperture of each grating plate 13 is smaller than the diameter of each adsorption bead 3. The grating plate 13 is fixed in the inner cavity of the main body, dividing the inner cavity of the main body into a filtering area 1A and a channel area 1B, and the channel area 1B is communicated with the air inlet end 11. The sealing plug is detachably arranged in the material changing port 14, threads are arranged on the inner wall of the material changing port 14, threads are arranged on the outer wall of the sealing plug, and the material changing port 14 is sealed through the sealing plug when the sealing plug is in threaded fit with the material changing port 14.
In order to conveniently lift the primary filter device 1, a handle is fixedly arranged on the outer wall of the main body, the primary filter device is lifted through the handle, then the sealing plug is opened, and the saturated adsorption beads are poured outwards from the inner cavity of the main body. The body is made of SS304 stainless steel. Is made of DN200 stainless steel pipe and 8mm thick stainless steel plate, and the pressure resistance exceeds the maximum pressure of the matched air compressor. The silica gel filter beads in the filter can be used for a long time according to actual use, and are generally replaced once in 2-3 months. The grating plate 13 is a silica gel baffle plate, and can prevent adsorption beads from blocking the inlet of the filter.
The adsorption beads 3 are provided in various types, and can be classified into dehydration adsorption beads, hydrocarbon removal adsorption beads, and carbon dioxide removal adsorption beads according to functions. Specifically, the dehydration adsorption beads are color-changing silica gel or molecular sieve, the hydrocarbon removal adsorption beads are activated carbon, and the carbon dioxide removal adsorption beads are caustic soda asbestos.
In use, the primary filter device 1 and the secondary filter device 2 are connected in series, and the adsorption saturation state of the adsorption beads in the filter device 1 is monitored and controlled by the filter cartridge 22 in the secondary filter device. And, can be effectively stable for a long period of time for supplying the required air energy for the gas chromatograph.
Claims (9)
1. The utility model provides a gas chromatograph filter equipment, its characterized in that includes one-level filter equipment (1) and two-stage filter equipment (2), one-level filter equipment (1) with two-stage filter equipment (2) establish ties and set up, inlet end (11) and external air supply of one-level filter equipment (1) are connected, one-level filter equipment (1) include the main part, be provided with grid board (13) in the main part inner chamber, grid board (13) transversely set up, inlet end (11) set up the outer wall of main part, spacing be in the below of grid board (13), still be provided with on the outer wall of main part and give vent to anger end (12) and reload mouth (14), it is spacing in the top of grid board (13) to give vent to anger end (12).
2. The gas chromatograph filtering device according to claim 1, characterized in that the adsorption beads (3) are filled in the inner cavity of the main body, the grating plates (13) are arranged at the bottoms of the adsorption beads (3), and the pore diameter of the grating plates (13) is smaller than the diameter of the adsorption beads (3).
3. A gas chromatograph filtering device according to claim 1 or 2, characterized in that said grating plate (13) divides the internal cavity of said body into a filtering zone (1A) and a passage zone (1B), said passage zone (1B) being in communication with said inlet end (11).
4. A gas chromatograph filter arrangement according to claim 1, characterized in that a sealing plug is detachably arranged in the feed opening (14).
5. A gas chromatograph filter arrangement according to claim 1, characterized in that the secondary filter arrangement (2) comprises a base (21), that at least one set of filter cartridges (22) is arranged on the base (21), that an air inlet tube (23) and an air outlet tube (24) are arranged on the base (21), that the filter cartridges (22) are connected into the filter cartridges (22), and that the filter cartridges (22) are provided with a transparent housing.
6. The gas chromatograph filtering device according to claim 5, characterized in that the filter cartridges (22) are provided with a plurality of groups, and the air inlet pipe (23) and the air outlet pipe (24) are respectively and correspondingly arranged below each group of filter cartridges (22).
7. A gas chromatograph filter arrangement according to claim 6, characterized in that adjacent filter cartridges (22) are arranged in series or in parallel.
8. A gas chromatograph filtering apparatus according to claim 5 or 6, characterized in that said base (21) is provided with an assembly groove, a sealing ring is provided at a notch position of said assembly groove, and said filter cartridge (22) is detachably provided in said assembly groove.
9. A gas chromatograph filter arrangement according to claim 8, characterized in that the filter cartridge (22) is filled with adsorption beads (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685489.5U CN219836317U (en) | 2023-03-31 | 2023-03-31 | Gas chromatograph filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685489.5U CN219836317U (en) | 2023-03-31 | 2023-03-31 | Gas chromatograph filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219836317U true CN219836317U (en) | 2023-10-17 |
Family
ID=88300440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320685489.5U Active CN219836317U (en) | 2023-03-31 | 2023-03-31 | Gas chromatograph filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219836317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531333A (en) * | 2024-01-08 | 2024-02-09 | 西安瑞恒测控设备有限公司 | Filtering system of gas chromatograph in krypton-xenon detection |
-
2023
- 2023-03-31 CN CN202320685489.5U patent/CN219836317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117531333A (en) * | 2024-01-08 | 2024-02-09 | 西安瑞恒测控设备有限公司 | Filtering system of gas chromatograph in krypton-xenon detection |
| CN117531333B (en) * | 2024-01-08 | 2024-04-02 | 西安瑞恒测控设备有限公司 | Filtering system of gas chromatograph in krypton-xenon detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219836317U (en) | Gas chromatograph filter equipment | |
| GB1030902A (en) | Apparatus for fractional adsorption and separation of gaseous mixtures | |
| CN203790800U (en) | Waste gas purification device with online regenerated adsorbent | |
| CN202916169U (en) | Air purification filter material testing experimental system | |
| CN105749694A (en) | Adsorption filter | |
| CN102928323B (en) | Air purification filtering material testing experimental system | |
| CN219091579U (en) | PSA pressure swing adsorption purification hydrogen production device with drying function | |
| CN209724458U (en) | Automobile tail gas filtering device | |
| CN110694193A (en) | Device for detecting benzene protection time of toxin filtering box | |
| CN215862864U (en) | Combustible gas collection device based on NB-LOT | |
| CN103452553B (en) | The gas-liquid separation of multifunctional oil gas casing and filtration drying device | |
| CN109499266A (en) | A kind of resin column device for VOCs gas treatment | |
| RU163643U1 (en) | COMPRESSED AIR DRY UNIT | |
| CN205095610U (en) | Organic waste gas recovery device | |
| RU191341U1 (en) | ADSORPTION TRAP | |
| CN105842368A (en) | Air purifying device for gas chromatograph | |
| CN210661579U (en) | Valve with VOC in-situ removal function based on physical adsorption | |
| RU200991U1 (en) | AIR SAMPLING DEVICE | |
| CN219038257U (en) | Air-dirt separator | |
| CN205127669U (en) | Gas purifier for detection | |
| CN219072534U (en) | Filter cartridge type organic waste gas treatment device | |
| CA2629759C (en) | Gas flow adsorber | |
| CN208488435U (en) | A kind of automobile interior decoration volatile organic matter in situ detection device | |
| CN109395532A (en) | A kind of activated carbon adsorption case | |
| CN210251821U (en) | Waste gas purification tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |