CN110455606A - A kind of pretreatment unit for gas detection - Google Patents
A kind of pretreatment unit for gas detection Download PDFInfo
- Publication number
- CN110455606A CN110455606A CN201910709089.1A CN201910709089A CN110455606A CN 110455606 A CN110455606 A CN 110455606A CN 201910709089 A CN201910709089 A CN 201910709089A CN 110455606 A CN110455606 A CN 110455606A
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- Prior art keywords
- filter
- cup
- strainer core
- core
- gas detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of pretreatment units for gas detection, are related to gas detection equipment technical field.Including preceding filter and rear filter, preceding filter and rear filter are tubular member；Preceding filter is bottom-up to be followed successively by inlet end, fillter section and linkage section；The bottom of fillter section is equipped with preceding cup-strainer core；Preceding cup-strainer core is fixed by preceding hooping filter cartridge；The upper end of filter before filter is mounted on afterwards；Filter is bottom-up afterwards is followed successively by the thread segment, construction section and outlet side connecting with preceding filter；Rear cup-strainer core is installed in construction section, granulated dried agent is filled between preceding cup-strainer core and rear cup-strainer core.The present invention carries out dual dedusting by the way that preceding cup-strainer core and rear cup-strainer core is arranged, increase dust removing effects, and by desiccant-filled, filter out moisture, it avoids steam from impacting detector, and gas is handled by pretreatment unit, reduce gas temperature, it avoids gas temperature excessively high, influences gas detection effect.
Description
Technical field
The invention belongs to gas detection equipment technical fields, fill more particularly to a kind of pretreatment for gas detection
It sets.
Background technique
Gas sensor is a kind of converter that certain gas volume fraction is converted to corresponding electric signal.Detecting head passes through
Gas sensor improves gaseous sample, generally includes to filter out impurity and interference gas, drying or refrigeration processing instrument are aobvious
Show part.Gas sensor is that a kind of be converted into the information such as the composition of gas, concentration can be by personnel, instrument and meter, calculating
The device for the information that machine etc. utilizes！Gas sensor has application in many fields.
But detection effect is very poor under the environment of high temperature and humidity for many sensors, result and the actual conditions of detection have
Very large deviation, so needing to pre-process gas when in use.
Summary of the invention
The purpose of the present invention is to provide a kind of pretreatment units for gas detection, by the way that preceding cup-strainer core is arranged with after
Cup-strainer core carries out dual dedusting, increases dust removing effects, by the setting biggish preceding cup-strainer core of hole, avoids dust network blocking, and
By desiccant-filled, moisture is filtered out, steam is avoided to impact detector, and by pretreatment unit to gas
It is handled, reduces gas temperature, avoid gas temperature excessively high, influence gas detection effect.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of pretreatment unit for gas detection, including preceding filter and rear filter, the preceding filter and
Filter is tubular member afterwards；
The preceding filter is bottom-up to be followed successively by inlet end, fillter section and linkage section；
Cup-strainer core before the bottom of the fillter section is equipped with one；Before the preceding cup-strainer core is fixed on by hooping filter cartridge before one
The fillter section bottom of filter；
Wherein, the upper end of filter before the rear filter is mounted on；Bottom-up be followed successively by of filter connects with preceding filter after described
Thread segment, construction section and the outlet side connect；
Wherein, the thread segment engages connection by screw thread with the linkage section of preceding filter；
Cup-strainer core after being equipped with one in the construction section, it is described after cup-strainer core construction section is fixed on by hooping filter cartridge after one
Top；
Granulated dried agent is filled between the preceding cup-strainer core and rear cup-strainer core.
Further, the preceding cup-strainer core is a mesh filter screen；It is described after cup-strainer core be a mesh filter screen, by setting hole compared with
Big preceding cup-strainer core reduces network blocking probability while dedusting, inlet end is avoided to block；Pass through the lesser rear strainer of setting hole
Core increases dust removing effects.
Further, the upper surface of the preceding hooping filter cartridge is equipped with several first through holes, first through hole and spiral shell
Before preceding hooping filter cartridge is fixed on by nail cooperation in the fillter section of filter.
Further, the rear hooping filter cartridge is equipped with several second through holes, and second through hole and screw fit will
Hooping filter cartridge is fixed in the construction section of rear filter afterwards.
Further, the desiccant uses silica-gel desiccant or calcium chloride, by desiccant by the filter moisture of gas,
It avoids steam from impacting the testing result of detector, and steam is avoided to cause to corrode to detector, even
Cause short circuit, and after the steam that absorbs of desiccant is saved bit by bit, is flowed out, preceding cup-strainer core can be carried out anti-by inlet end
Punching cleaning, cup-strainer core network blocking before avoiding.
The invention has the following advantages:
The present invention carries out dual dedusting by the way that preceding cup-strainer core and rear cup-strainer core is arranged, and increases dust removing effects, passes through providing holes
The biggish preceding cup-strainer core of gap, avoids dust network blocking, and by desiccant-filled, filter out moisture, avoid steam to gas detection
Device impacts, and is handled by pretreatment unit gas, reduces gas temperature, avoids gas temperature excessively high, shadow
Ring gas detection effect.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of pretreatment unit for gas detection.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " upper surface ", " lower end ", " upper end ", " top ", " bottom
Portion ", " in ", "inner", indicating positions or the positional relationship such as " surrounding ", be merely for convenience of description of the present invention and simplification of the description, and
It is not that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
Refering to Figure 1, the present invention is a kind of pretreatment unit for gas detection, including preceding filter 1 and rear filter
Device 2, preceding filter 1 and rear filter 2 are tubular member；
Preceding filter 1 is bottom-up to be followed successively by inlet end 101, fillter section 102 and linkage section 103；
Cup-strainer core 3 before the bottom of fillter section 102 is equipped with one；Hooping filter cartridge 4 is fixed on preceding filter before preceding cup-strainer core 3 passes through one
102 bottom of fillter section of device 1；
Wherein, the upper end of filter 1 before rear filter 2 is mounted on；Bottom-up be followed successively by of filter 2 connect with preceding filter 1 afterwards
Thread segment 201, construction section 202 and outlet side 203；
Wherein, thread segment 201 engages connection by screw thread with the linkage section 103 of preceding filter 1；
Cup-strainer core 5 after being equipped with one in construction section 202, hooping filter cartridge 6 is fixed on construction section after rear cup-strainer core 5 passes through one
202 top；
Granulated dried agent 7 is filled between preceding cup-strainer core 3 and rear cup-strainer core 5.
Wherein, preceding cup-strainer core 3 is one 200 mesh filter screens；Cup-strainer core 5 is one 400 mesh filter screens afterwards, biggish by setting hole
Preceding cup-strainer core 3 reduces network blocking probability while dedusting, and inlet end 101 is avoided to block；Pass through the lesser rear strainer of setting hole
Core 5 increases dust removing effects.
Wherein, the upper surface of preceding hooping filter cartridge 4 is equipped with several first through holes 401, the first through hole 401 and screw fit
Before preceding hooping filter cartridge 4 is fixed in the fillter section 102 of filter 1.
Wherein, rear hooping filter cartridge 6 is equipped with several second through holes 501, the second through hole 501 and screw fit for rear filter core
Clip 6 is fixed in the construction section 202 of rear filter 2.
Wherein, the first through hole 401 and the second through hole 501 are counterbore.
Wherein, desiccant 7 avoids water by desiccant 7 by the filter moisture of gas using silica-gel desiccant or calcium chloride
Vapour impacts the testing result of detector, and steam is avoided to cause to corrode to detector, or even causes electricity
Short out road, and desiccant 7 absorb steam save bit by bit after, flowed out, preceding cup-strainer core 3 can be carried out instead by inlet end 101
Punching cleaning, 3 network blocking of cup-strainer core before avoiding.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of pretreatment unit for gas detection, including preceding filter (1) and rear filter (2), it is characterised in that: before described
Filter (1) and rear filter (2) are tubular member；
The preceding filter (1) is bottom-up to be followed successively by inlet end (101), fillter section (102) and linkage section (103)；
Cup-strainer core (3) before the bottom of the fillter section (102) is equipped with one；Hooping filter cartridge before the preceding cup-strainer core (3) passes through one
(4) it is fixed on fillter section (102) bottom of preceding filter (1)；
Wherein, the rear filter (2) is mounted on the upper end of preceding filter (1)；Filter (2) is bottom-up after described is followed successively by and preceding filter
The thread segment (201) of device (1) connection, construction section (202) and outlet side (203)；
Wherein, the thread segment (201) engages connection by screw thread with the linkage section (103) of preceding filter (1)；
Cup-strainer core (5) after being equipped with one in the construction section (202), hooping filter cartridge (6) is solid after the rear cup-strainer core (5) passes through one
It is scheduled on the top of construction section (202)；
Granulated dried agent (7) are filled between the preceding cup-strainer core (3) and rear cup-strainer core (5).
2. a kind of pretreatment unit for gas detection according to claim 1, which is characterized in that the preceding cup-strainer core
It (3) is one 200 mesh filter screens；Cup-strainer core (5) is one 400 mesh filter screens after described.
3. a kind of pretreatment unit for gas detection according to claim 1, which is characterized in that the preceding filter core card
The upper surface for binding round (4) is equipped with several first through holes (401), first through hole (401) and screw fit for preceding filter core card
Hoop (4) is fixed in the fillter section (102) of preceding filter (1).
4. a kind of pretreatment unit for gas detection according to claim 1, which is characterized in that filter core card after described
It is equipped with several second through holes (501), second through hole (501) and screw fit that rear hooping filter cartridge (6) are fixed to bind round (6)
In the construction section (202) of rear filter (2).
5. a kind of pretreatment unit for gas detection according to claim 1, which is characterized in that the desiccant
(7) silica-gel desiccant or calcium chloride are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709089.1A CN110455606A (en) | 2019-08-01 | 2019-08-01 | A kind of pretreatment unit for gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709089.1A CN110455606A (en) | 2019-08-01 | 2019-08-01 | A kind of pretreatment unit for gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455606A true CN110455606A (en) | 2019-11-15 |
Family
ID=68484502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709089.1A Withdrawn CN110455606A (en) | 2019-08-01 | 2019-08-01 | A kind of pretreatment unit for gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110455606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305166A (en) * | 2020-10-24 | 2021-02-02 | 中国人民解放军陆军防化学院 | Air chamber for laboratory toxin detection agent gas sensor and detection method |
-
2019
- 2019-08-01 CN CN201910709089.1A patent/CN110455606A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305166A (en) * | 2020-10-24 | 2021-02-02 | 中国人民解放军陆军防化学院 | Air chamber for laboratory toxin detection agent gas sensor and detection method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191115 |
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| WW01 | Invention patent application withdrawn after publication |