CN209714652U - Filter device is used in poisonous gas detection - Google Patents
Filter device is used in poisonous gas detection Download PDFInfo
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- CN209714652U CN209714652U CN201920347319.XU CN201920347319U CN209714652U CN 209714652 U CN209714652 U CN 209714652U CN 201920347319 U CN201920347319 U CN 201920347319U CN 209714652 U CN209714652 U CN 209714652U
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- Prior art keywords
- filter
- shell
- adsorption plate
- gas
- filter shell
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 231100000614 poison Toxicity 0.000 title claims abstract description 28
- 230000007096 poisonous effect Effects 0.000 title claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 230000002070 germicidal effect Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004589 rubber sealant Substances 0.000 claims description 4
- 230000001988 toxicity Effects 0.000 claims 1
- 231100000419 toxicity Toxicity 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 65
- 239000002341 toxic gas Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000249 desinfective effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
Abstract
Poisonous gas detection filter device, belong to gas detection technology field, including filter shell, filter shell lower end is connected through a screw thread section and is threaded with filter structure, filter structure is internally provided with net-filter assembly, net-filter assembly successively includes at least one layer of composite multi-layer microporous hydrophobic membrane and at least one layer of micro porous filtration layer from top to bottom, filter shell is internally provided with several adsorption plates, several adsorption plates form the gas passage of S type, filter shell lower end surface is provided with air inlet, filter shell upper surface is provided with gas outlet, filter shell inner sidewall is equipped with ultraviolet germicidal, the utility model provides poisonous gas detection filter device, the steam and dust impurity in gas can be effectively removed before toxic gas detection, and activated carbon adsorption plate is set in filter shell, HEPA adsorption plate and ultraviolet disinfecting, it can be to having Poisonous gas is filtered respectively, absorbs and filter and disinfects, and keeps toxic gas cleaning filter effect good.
Description
Technical field
The utility model belongs to gas detection technology field, and in particular to filter device is used in poisonous gas detection.
Background technique
With the enhancing of awareness of safety, petrochemical industry generally establishes to the inflammable and explosive of operating environment appearance and has
The monitoring of malicious pernicious gas ensures the life of operating personnel and the safety of business equipment property.It is poisonous and hazardous to environment organic
Gas and steam (VOC) are generally monitored using the detector of photoionization (PID) principle.General photoionization (PID)
Toxic gas detector all design configurations filter devices, the filter device there are two types of purposes, one is toxic gas detection it
It is preceding that gas is filtered, i.e., the steam of gas and dust impurity are filtered, to avoid steam and dust impurity to detection
Interference, but existing filter device is bad to steam in gas and dust impurity filter effect.Another kind is to toxic gas gas
Body carries out cleaning filtering, pollute its discharge will not to air in an atmosphere, but existing filter device is to toxic gas
It is bad to clean filter effect.
Utility model content
For above content, to solve existing poisonous gas detection filter device to steam in gas and dust impurity mistake
Filter it is ineffective, and to toxic gas cleaning filter effect it is bad the problems such as, the utility model provide poisonous gas detection it is used
Device is filtered, steam and dust impurity in gas can be effectively removed before toxic gas detection and cleaning filtering, and in mistake
Setting activated carbon adsorption plate, HEPA adsorption plate and ultraviolet disinfecting, can be filtered respectively toxic gas, adsorb in filter outer housing
Filtering and disinfection treatment keep toxic gas cleaning filter effect good, and the filtering of detected gas and needs in filter device
The gas of cleaning filtering shares a filter structure, realizes that simplifying for product is intensive, practical, is suitble to be widely popularized.
Technical solution are as follows: including filter shell, inner core of the filter shell inside center setting for poisonous gas detection, institute
Filter shell upper surface to be stated to be equipped with for covering the top cover for closing the filter shell cavity, the inner core is arranged through the top cover,
The filter shell lower end is connected through a screw thread section and is threaded with filter structure, and the filter structure is internally provided with strainer group
Part, the net-filter assembly successively include at least one layer of composite multi-layer microporous hydrophobic membrane and at least one layer of micro porous filtration from top to bottom
Layer, the filter shell are internally provided with several adsorption plates, and several adsorption plates form the gas passage of S type, the inner core
It is arranged through the adsorption plate, the filter shell lower end surface is provided with air inlet, gas outlet is provided on the top cover, described
Air inlet, gas outlet are staggered setting with the entrance of the gas passage, outlet, and the filter shell inner sidewall is equipped with purple
Outer bactericidal lamp, the ultraviolet germicidal are arranged between the adjacent adsorption plate.
Preferably, it is equipped with the first mounting hole compatible with the inner core at the top cap central, is set on the adsorption plate
There is the second mounting hole compatible with the inner core, is equipped with rubber sealant in first mounting hole and the second mounting hole.
Preferably, it is adapted inside the top cover with the filter shell size, the top cover is made to be connected to the filtering
Upper shell, is provided with the first sealing ring between the top cover and the filter shell, and the top cover with outside the filtering
It is fixedly connected between shell by screw.
Preferably, the air inlet, be equipped with activated charcoal strainer at gas outlet.
Preferably, the adsorption plate includes activated carbon adsorption plate and HEAP adsorption plate, the activated carbon adsorption plate and HEAP
Adsorption plate is arranged in a crossed manner.
Preferably, the composite multi-layer microporous hydrophobic membrane is by least one layer of microporous hydrophobic membrane and at least one layer of high-density sponge
It is alternately arranged.
Preferably, the diameter of the filter structure is gradually increased from top to bottom, the upper surface of the filter structure be equipped with
The internal screw thread linkage section that the threaded connection section matches, the filter structure upper surface are additionally provided with circular hole, and the circular hole is located at
In the internal screw thread linkage section, the lower end surface of the filter structure is equipped with the lid for being used to open the filter structure, the lid
Body is threadedly attached in the lower end surface of the filter structure, is provided with snorkel on the lid.
Preferably, between the lid and the filter structure, the threaded connection section and the internal screw thread linkage section it
Between be equipped with the second sealing ring.
The utility model provides poisonous gas detection filter device, has the beneficial effect that compared with prior art
1 is provided with filter structure in filter shell lower end, and the composite multi-layer microporous hydrophobic membrane in filter structure sufficiently removes
Moisture in gas, micro porous filtration layer more effectively eliminate the dust in gas, therefore before toxic gas detection can
The steam and dust impurity in gas are effectively removed, interference is brought to poisonous gas detection to avoid steam and dust impurity；
2 are arranged activated carbon adsorption plate, HEPA adsorption plate and ultraviolet disinfecting in filter shell, can be to toxic gas point
It is not filtered, absorbs and filter and disinfects, keep toxic gas cleaning filter effect good, and activated carbon adsorption plate and HEPA
The adsorption plate gas passage arranged in a crossed manner for forming S type, air inlet, gas outlet are staggered and open up with the entrance of gas passage, outlet
It sets, increases flow path of the gas in filter shell, increase poisonous gas and activated carbon adsorption plate, HEAP adsorption plate and purple
The time of contact of outer bactericidal lamp and area, to improve the cleaning filter effect of gas；
The gas that the needs of the filtering and discharge of detected gas in an atmosphere clean filtering in 3 filter devices shares one
A filter structure realizes that simplifying for product is intensive.
Detailed description of the invention
Fig. 1 is whole vertical section figure in the utility model.
Fig. 2 is filter shell horizontal sectional view in the utility model.
Fig. 3 is adsorption plate direct-view figure in the utility model.
Fig. 4 is composite multi-layer microporous hydrophobic membrane direct-view figure in the utility model.
In figure: 1- filter shell, 2- inner core, 3- filter structure, 4- net-filter assembly, 5- composite multi-layer microporous hydrophobic membrane, 6-
Micro porous filtration layer, 7- adsorption plate, 8- gas passage, 9- air inlet, the gas outlet 10-, 11- ultraviolet germicidal, the filtering of 12- active carbon
Net, 13- microporous hydrophobic membrane, 14- high-density sponge, 15- lid, 16- snorkel, 17- internal screw thread linkage section, 18- circular hole, 19-
Top cover, the first sealing ring of 20-, the first mounting hole of 21-, the second mounting hole of 22-, 23- screw, the second sealing ring of 24-, 25- screw thread
Linkage section.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.Attached drawing is simplified schematic diagram, only to show
Meaning mode illustrates the utility model basic structure, therefore it only shows composition related with the utility model.
Embodiment one, as illustrated in fig. 1 and 2, poisonous gas detection filter device, including filter shell 1, filter shell 1
Inside center is equipped with the inner core 2 for poisonous gas detection.Wherein, filter shell 1 is the internal rectangular parallelepiped structure for having cavity,
And the upper surface of filter shell 1, with opening, the bottom end of inner core 2 penetrates 1 bottom face of filter shell, and the lateral wall of inner core 2 with
The bottom face of filter shell 1 is integrally formed setting, the structure inside inner core 2 and the principle and existing skill for poisonous gas detection
The filtering core arrangement inside filter device in art in photoionization (PID) toxic gas detector is identical with principle, belongs to
Mature technology, it is no longer excessive in this application to introduce.
1 upper surface of filter shell is equipped with for covering the top cover 19 for closing 1 cavity of filter shell, and the inner core 2 passes through
The top cover 19 is worn to be arranged.1 lower end of filter shell is connected through a screw thread section 25 and is threaded with filter structure 3, the mistake
Filter structure 3 is internally provided with net-filter assembly 4, and the net-filter assembly 4 successively includes at least one layer of composite multi-layer micropore from top to bottom
Hydrophobic membrane 5 and at least one layer of micro porous filtration layer 6.Wherein, as shown in figure 4, the composite multi-layer microporous hydrophobic membrane 5 is by least one layer
Microporous hydrophobic membrane 13 and at least one layer of high-density sponge 14 are alternately arranged, the microporous hydrophobic membrane 13 and high-density sponge 14
Thickness ratio be 0.2~0.8, the microporous hydrophobic membrane 13, high-density sponge 14 and micro porous filtration layer 6 can be pierced by needle it is laminating
Together.It is effective by micro porous filtration layer 6 by the moisture in microporous hydrophobic membrane 13, high-density sponge 14 sufficiently removal gas
The dust in gas is eliminated, therefore steam and dust impurity in gas can be effectively removed before toxic gas detection, with
Steam and dust impurity is avoided to bring interference to poisonous gas detection.
The filter shell 1 is internally provided with several adsorption plates 7, and the structure of adsorption plate 7 is as shown in Figure 3.Several suctions
Attached plate 7 forms the gas passage 8 of S type, and the inner core 2 is arranged through the adsorption plate 7.Wherein, the adsorption plate 7 includes activity
Charcoal adsorption plate and HEAP adsorption plate, the activated carbon adsorption plate and HEAP adsorption plate are arranged in a crossed manner.
The activated carbon adsorption plate and HEAP adsorption plate are all made of the prior art, and activated carbon adsorption plate and HEAP adsorption plate can
Directly it is fixed by screws in the inside of filter shell 1.Activated carbon adsorption plate and HEPA adsorption plate are set in filter shell 1,
Toxic gas can be filtered respectively and absorb and filter out and handle, improved toxic gas filter efficiency, improve toxic gas mistake
The quality of filter keeps toxic gas cleaning filter effect good.
1 inner sidewall of filter shell is equipped with ultraviolet germicidal 11, and the ultraviolet germicidal 11 is arranged adjacent described
Between adsorption plate 7.Ultraviolet germicidal 11 uses the prior art, and structure and working principle are similar to the prior art, such as model
It is BOSDA/ treasured depending on the ultraviolet-sterilization that reaches, ultraviolet germicidal 11 can be fixed by screws on 1 four side walls in inside of filter shell,
Ultraviolet germicidal 11 can disinfect toxic gas, further increase the quality of toxic gas filtering, and it is clear to increase toxic gas
Clean filter effect.
1 lower end surface of filter shell is provided with air inlet 9, and gas outlet 10, the air inlet are provided on the top cover 19
Mouthfuls 9, gas outlet 10 is staggered with the entrance of the gas passage 8, outlet setting.Setting can increase poisonous gas in this way
Flow path in filter shell 1 increases poisonous gas and activated carbon adsorption plate, HEAP adsorption plate and ultraviolet germicidal 11
Time of contact and area, to improve the cleaning filter effect of gas.
Wherein, first mounting hole 21 compatible with the inner core 2, the adsorption plate 7 are equipped at 19 center of top cover
It is equipped with second mounting hole 22 compatible with the inner core 2, is equipped in first mounting hole 21 and the second mounting hole 22
Rubber sealant, rubber sealant are bonded in 22 inward flange of the first mounting hole 21 and the second mounting hole by seccotine.
Wherein, 19 inside of top cover is adapted with 1 size of filter shell, and the top cover 19 is made to be connected to the mistake
1 upper end of filter outer housing, is provided with the first sealing ring 20 between the top cover 19 and the filter shell 1, and the top cover 19 with
It is fixedly connected between the filter shell 1 by screw 23.Rubber seal, the first sealing of setting can be used in first sealing ring 20
Circle 20 increases the leakproofness between the top cover 19 and filter shell 1 of the device.
Top cover 19 is set, the installation or replacement of filter shell 1 inside adsorption plate 7 and ultraviolet germicidal 11 are facilitated.
Embodiment two, on the basis of the above embodiments, further, is all provided with active at the air inlet 9, gas outlet 10
Charcoal filter screen 12, activated charcoal strainer 12 use the prior art, activated charcoal strainer 12 can be fixed by screws in air inlet 9,
Activated charcoal strainer 12 is arranged in the edge of gas outlet 10, further increases the filtering effect into the gas inside filter shell 1
Fruit.
Embodiment three, on the basis of the above embodiments, further, the diameter of the filter structure 3 is from top to bottom gradually
Increase, keeps gas flowing more smooth.
The upper surface of the filter structure 3 is equipped with the internal screw thread linkage section 17 matched with the threaded connection section 25, institute
It states 3 upper surface of filter structure and is additionally provided with circular hole 18, the circular hole 18 is located in the internal screw thread linkage section 17, wherein internal screw thread
Linkage section 17 and filter structure 3, which are integrally formed, to be arranged.
The lower end surface of the filter structure 3 is equipped with the lid 15 for being used to open the filter structure 3, and the lid 15 passes through
It is threaded in the lower end surface of the filter structure 3, is provided with snorkel 16 on the lid 15, wherein snorkel 16 and lid
Body 15 is integrally formed setting, lid 15 is arranged, for picking and placing net-filter assembly and for removing the sundries filtered down.
Between the lid 15 and the filter structure 3, the threaded connection section 25 and the internal screw thread linkage section 17 it
Between be equipped in the second sealing ring 24, the second rubber seal of sealing ring 24, be arranged 24 device of the second sealing ring entirety
Leakproofness.
The utility model provides poisonous gas detection filter device, can have before toxic gas detection and cleaning filtering
Steam and dust impurity in effect removal gas, and activated carbon adsorption plate, HEPA adsorption plate and purple are set in filter shell
Outer sterilamp can be filtered respectively, absorb and filter and disinfect to toxic gas, and toxic gas is made to clean filter effect
It is good, and the filtering of detected gas and the gas for needing to clean filtering discharged in an atmosphere share a mistake in filter device
Structure is filtered, realizes that simplifying for product is intensive, it is practical, it is suitble to be widely popularized.
The above embodiments are merely examples for clarifying the description, and does not limit the embodiments.For institute
For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Among the protection scope that variation or variation extended from this are created still in the utility model.
Claims (8)
1. poisonous gas detection filter device, including filter shell (1), the setting of filter shell (1) inside center are used for toxicity
The inner core (2) of gas detection, which is characterized in that filter shell (1) upper surface, which is equipped with, closes the filter shell (1) for covering
The top cover (19) of internal cavity, the inner core (2) are arranged through the top cover (19), and filter shell (1) lower end passes through spiral shell
Line linkage section (25) is threaded with filter structure (3), and the filter structure (3) is internally provided with net-filter assembly (4), the filter
Screen component (4) successively includes at least one layer of composite multi-layer microporous hydrophobic membrane (5) and at least one layer of micro porous filtration layer from top to bottom
(6), the filter shell (1) is internally provided with several adsorption plates (7), and several adsorption plates (7) form the gas passage of S type
(8), the inner core (2) is arranged through the adsorption plate (7), and filter shell (1) lower end surface is provided with air inlet (9), institute
It states and is provided on top cover (19) gas outlet (10), the air inlet (9), gas outlet (10) enter with the gas passage (8)
Mouth exports the setting that is staggered, and filter shell (1) inner sidewall is equipped with ultraviolet germicidal (11), the ultraviolet germicidal
(11) it is arranged between the adjacent adsorption plate (7).
2. poisonous gas detection filter device according to claim 1, which is characterized in that at top cover (19) center
Equipped with the first mounting hole (21) compatible with the inner core (2), the adsorption plate (7) is equipped with and the inner core (2) Xiang Shi
Rubber sealant is equipped in the second mounting hole (22) matched, first mounting hole (21) and the second mounting hole (22).
3. poisonous gas according to claim 1 detection filter device, which is characterized in that the top cover (19) it is internal with
Filter shell (1) size is adapted, and the top cover (19) is made to be connected to the filter shell (1) upper end, the top cover
(19) be provided between the filter shell (1) the first sealing ring (20), and the top cover (19) with the filter shell
(1) it is fixedly connected between by screw (23).
4. poisonous gas detection filter device according to claim 1, which is characterized in that the air inlet (9), outlet
Activated charcoal strainer (12) are equipped at mouth (10).
5. poisonous gas according to claim 1 detection filter device, which is characterized in that the adsorption plate (7) includes
Activated carbon adsorption plate and HEAP adsorption plate, the activated carbon adsorption plate and HEAP adsorption plate are arranged in a crossed manner.
6. poisonous gas detection filter device according to claim 1, which is characterized in that the composite multi-layer micropore is dredged
Moisture film (5) is alternately arranged by least one layer of microporous hydrophobic membrane (13) and at least one layer of high-density sponge (14).
7. poisonous gas detection filter device according to claim 1, which is characterized in that the filter structure (3)
Diameter is gradually increased from top to bottom, and the upper surface of the filter structure (3) is equipped with to be matched with the threaded connection section (25)
Internal screw thread linkage section (17), filter structure (3) upper surface are additionally provided with circular hole (18), and the circular hole (18) is located at the interior spiral shell
In line linkage section (17), the lower end surface of the filter structure (3) is equipped with the lid (15) for being used to open the filter structure (3),
The lid (15) is threadedly attached in the lower end surface of the filter structure (3), is provided with snorkel on the lid (15)
(16).
8. poisonous gas according to claim 7 detection filter device, which is characterized in that the lid (15) with it is described
The second sealing ring is equipped between filter structure (3), between the threaded connection section (25) and the internal screw thread linkage section (17)
(24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347319.XU CN209714652U (en) | 2019-03-19 | 2019-03-19 | Filter device is used in poisonous gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347319.XU CN209714652U (en) | 2019-03-19 | 2019-03-19 | Filter device is used in poisonous gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209714652U true CN209714652U (en) | 2019-12-03 |
Family
ID=68687276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920347319.XU Expired - Fee Related CN209714652U (en) | 2019-03-19 | 2019-03-19 | Filter device is used in poisonous gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209714652U (en) |
-
2019
- 2019-03-19 CN CN201920347319.XU patent/CN209714652U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |