CN105388044A - Multifunctional aerosol diffusion drying tube - Google Patents
Multifunctional aerosol diffusion drying tube Download PDFInfo
- Publication number
- CN105388044A CN105388044A CN201510954498.XA CN201510954498A CN105388044A CN 105388044 A CN105388044 A CN 105388044A CN 201510954498 A CN201510954498 A CN 201510954498A CN 105388044 A CN105388044 A CN 105388044A
- Authority
- CN
- China
- Prior art keywords
- drying tube
- spool
- drying
- aerosol diffusion
- shaft collar
- 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.)
- Pending
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Classifications
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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
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
-
- 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
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N2001/222—Other features
- G01N2001/2223—Other features aerosol sampling devices
Abstract
The present invention relates to a multifunctional aerosol diffusion drying tube comprising a drying tube with threads on the inner wall, a bobbin and fixed plates, the side walls of the fixed plates are provided with external threads, two end surfaces of the fixed plates are provided with holes, the fixed plates are matched with the threads on the inner wall of the drying tube by the external threads, and are in movable screw connection in the drying tube, the fixed plates are spaced from two feeding inlets of the drying tube, the bobbin is respectively penetrates the holes corresponding to the two fixed plates, and is divided into three sections by the fixed plates, the bobbin is connected with the fixed plates by a bolt assembly to achieve fixing in the drying tube, the sections of the drying tube are respectively correspondingly sequentially filled with silica gel, an oxidizer and an activated carbon adsorbent, the side wall of the bobbin is net-like, the bobbin is internally provided with a drying agent and a catalyst, and the bobbin net pore is smaller than the diameter of the drying agent and the catalyst. Beneficial effects are that: the gas and adsorbent contact area is increased, impurities and water are effectively removed, gas flow loss is reduced, the disassembly is convenient, and production cost is reduced.
Description
Technical field
The present invention relates to atmospheric aerosol Inspect and control technical field, particularly relate to a kind of multi-functional aerosol diffusion drying tube.
Background technology
Atmospheric aerosol refers to the heterogeneous system that air forms jointly with the solid be suspended in gas or liquid particles thing, and its diameter is many at 0.001-100 μm.Along with going deep into of scientific research, find that atmospheric aerosol drastically influence human health, lowers air quality and atmospheric visibility, even material impact is produced to Global climate change.At present advanced instrument analysis is adopted more to aerocolloidal research, but in sampling of aerosol process, the relative humidity of the inner normal work of instrument itself is less than 40% more.In addition, the hygroscopic component in gasoloid has obvious moisture absorption to increase phenomenon when relative humidity is greater than 50%.Therefore, the relative humidity reduced in sampling of aerosol process necessitates, and drying tube just plays decisive role.At present, black carbon is as main extinction material, cloud condensation nucl and have poriness and can adsorb the characteristics such as more polluter, becomes the research emphasis of atmospheric pollution.In order to the impact that the volatile organism studying some black carbon surface absorption condenses on atmosphere radiation and cloud, the organism and the moisture that remove the black carbon surface of fresh discharge necessitate.Therefore, Mobyneb (drying, oxidation and absorption) drying tube just serves decisive role.
No matter be field observation or laboratory simulation test at present, the drying cartridge that people commonly use is equipped with two classes: (1) utilizes the nafion drying tube of film drying technology.Nafion drying tube only can be used for aerocolloidal drying, and is applicable to the pneumatic conveying drying of low discharge, cannot meet the demand of specific use, such as removes the volatile organic matter on black carbon aerosols surface.Another reason, business-like nafion drying tube price comparison is expensive.(2) gas is utilized to spread, the diffusion drying tube of silica gel adsorption technology.Business-like diffusion drying tube generally only has a gas passage, in order to reach drying effect, makes the length of drying tube longer, and a diffusion drying tube can only fill a kind of material (silica gel, potassium permanganate particles, activated charcoal etc.).If need the volatile organic matter removing the absorption of black carbon surface, study black carbon characteristic, then need the drying tube of multiple filling different material to connect and just can reach requirement of experiment, such a process increases the length of whole gas circuit, a large amount of particle loss can be caused, exit flow flow diminishes, and directly affects domain size distribution, causes very large puzzlement to experiment.
Summary of the invention
The object of the invention is the weak point overcoming existing aerosol diffusion drying tube, a kind of spliced multi-functional aerosol diffusion drying device is proposed, can effectively complete aerocolloidal drying, oxidation and absorption, shorten gas circuit length, less particle loss and reducing costs, is specifically realized by following technical scheme:
Described multi-functional aerosol diffusion drying tube, comprise the threaded drying tube of inner wall belt, spool, sidewall is provided with external thread and both ends of the surface are provided with the shaft collar in hole, described drying tube comprises first section of drying tube, at least one stage casing drying tube and rear drying tube, silica gel is filled with successively accordingly respectively in described every section of drying tube, oxygenant, acticarbon, described shaft collar is rotatably connected in first section of drying tube suitably respectively by the screw thread of external thread and drying tube inwall, in rear drying tube, first section of drying tube, rear drying tube realizes the splicing with stage casing drying tube respectively by shaft collar, described spool is connected in described hole corresponding to two shaft collars respectively and to realize in being connected with shaft collar by bolt assembly in drying tube fixing, the sidewall of spool is netted, drying agent and catalyzer is provided with in spool, hole is less than the diameter of drying agent and catalyzer.
The further design of described multi-functional aerosol diffusion drying tube is, described drying tube adopts clear glass or resin material.
The further design of described multi-functional aerosol diffusion drying tube is, the external diameter of the drying tube of interlude is 9cm, and length is 20cm, and the diameter of head and the tail Two stage dryer pipe 6 is 9cm, and length is 1.5cm.
The further design of described multi-functional aerosol diffusion drying tube is, described spool adopts stainless steel material.
The further design of described multi-functional aerosol diffusion drying tube is, described stainless steel spool is the six roots of sensation, accordingly shaft collar is evenly equipped with six circular holes.
The further design of described multi-functional aerosol diffusion drying tube is, the length of stainless steel spool is 66cm.
The further design of described multi-functional aerosol diffusion drying tube is, the aperture of described shaft collar is 1-1.2cm, and thickness is 1.8-2.2cm.
The further design of described multi-functional aerosol diffusion drying tube is, the caliber of injection port is 3/8 inch.
The further design of described multi-functional aerosol diffusion drying tube is, described shaft collar leaves spacing relative to drying tube two injection port.
The further design of described multi-functional aerosol diffusion drying tube is, is connected with at least one for the shaft collar with spool cross-under in the drying tube of described stage casing.
Advantage of the present invention is as follows:
Aerosol diffusion drying tube of the present invention not only increases the contact area of gas and adsorbent but also can effectively remove impurity and moisture, reduces the loss of air-flow.Drying tube convenient disassembly on the other hand, is convenient to change consumptive material and reduce cost of manufacture widely.
Accompanying drawing explanation
Fig. 1 is the cut-away view of drying tube.
Fig. 2 is with externally threaded shaft collar structural drawing.
Fig. 3 is the intermediate ends drying tube structural drawing spliced.
Fig. 4 is the net structure char of stainless steel spool.
Fig. 5 is the structural drawing that head and the tail Two stage dryer pipe is connected with shaft collar.
1-injection port, 2-shaft collar, 3-stage casing drying tube, 4-stainless steel spool, 5-shaft collar, 6-rear drying tube.
Embodiment
Below in conjunction with accompanying drawing, the present invention program is described in detail.
As Fig. 1, the multi-functional aerosol diffusion drying tube that the present embodiment provides, comprise the threaded drying tube of inner wall belt, spool, sidewall are provided with external thread and both ends of the surface are provided with the shaft collar in hole, drying tube is made up of a first section of drying tube, a stage casing drying tube 3 and a rear drying tube 6.First section of drying tube is filled with silica gel, for reducing air-flow relative humidity; The organic oxygenant of oxidize volatile filled by stage casing drying tube 3; Rear drying tube 6 is filled with acticarbon.Shaft collar matches respectively by the screw thread of external thread and drying tube inwall and is rotatably connected in first section of drying tube, rear drying tube accordingly, as Fig. 5.First section of drying tube, rear drying tube realize the splicing with stage casing drying tube respectively by shaft collar, form integral structure, are convenient to dismantle the consumptive material to change wherein.Spool is connected in hole corresponding to two shaft collars respectively and to realize in being connected with shaft collar by bolt assembly in drying tube fixing, the sidewall of spool is netted, drying agent and catalyzer is provided with in spool, hole is less than the diameter of drying agent and catalyzer, be conducive to the contact area increasing gas and drying agent, as Fig. 4.The caliber of injection port 1 is 3/8 inch.The spool of the present embodiment adopts stainless steel material.The length of stainless steel spool is 66cm.On the other hand, stage casing drying tube 3 can be multiple, and principle is the same, does not repeat them here.
Further, the drying tube of the present embodiment adopts clear glass or resin material.
More preferably, the external diameter of the drying tube of interlude is 9cm, and length is 20cm, and the diameter of head and the tail Two stage dryer pipe 6 is 9cm, and length is 1.5cm.
Stainless steel spool in the present embodiment adopts the six roots of sensation, accordingly shaft collar is evenly equipped with six circular holes, as Fig. 2.So that gas uniform is distributed in six stainless steel steel spools.In addition, be more stabilized in the drying tube of stage casing to make spool and be connected with one for the shaft collar 5 with spool cross-under, as Fig. 1, Fig. 3.
As Fig. 2, the shaft collar of the present embodiment provides three kinds of specifications.Be A type respectively: aperture is 1cm, thickness is 1.8cm, Type B: aperture is 1.1cm, and thickness is 2cm, C type: aperture is 1.2cm, and thickness is 2.2cm.
The aerosol diffusion drying tube of the present embodiment not only increases the contact area of gas and adsorbent but also can effectively remove impurity and moisture, reduces the loss of air-flow.Drying tube convenient disassembly on the other hand, is convenient to change consumptive material and reduce cost of manufacture widely.
Claims (10)
1. a multi-functional aerosol diffusion drying tube, it is characterized in that comprising the threaded drying tube of inner wall belt, spool, sidewall is provided with external thread and both ends of the surface are provided with the shaft collar in hole, described drying tube comprises first section of drying tube, at least one stage casing drying tube and rear drying tube, silica gel is filled with successively accordingly respectively in described every section of drying tube, oxygenant, acticarbon, described shaft collar is rotatably connected in first section of drying tube suitably respectively by the screw thread of external thread and drying tube inwall, in rear drying tube, first section of drying tube, rear drying tube realizes the splicing with stage casing drying tube respectively by shaft collar, described spool is connected in described hole corresponding to two shaft collars respectively and to realize in being connected with shaft collar by bolt assembly in drying tube fixing, the sidewall of spool is netted, drying agent and catalyzer is provided with in spool, hole is less than the diameter of drying agent and catalyzer.
2. multi-functional aerosol diffusion drying tube according to claim 1, is characterized in that described drying tube adopts clear glass or resin material.
3. multi-functional aerosol diffusion drying tube according to claim 2, it is characterized in that the external diameter of the drying tube of interlude is 9cm, length is 20cm, and the diameter of head and the tail Two stage dryer pipe is 9cm, and length is 1.5cm.
4. multi-functional aerosol diffusion drying tube according to claim 1, is characterized in that described spool adopts stainless steel material.
5. multi-functional aerosol diffusion drying tube according to claim 4, is characterized in that described stainless steel spool is the six roots of sensation, accordingly shaft collar is evenly equipped with six circular holes.
6. multi-functional aerosol diffusion drying tube according to claim 5, is characterized in that the length of stainless steel spool is 66cm.
7. multi-functional aerosol diffusion drying tube according to claim 1, it is characterized in that the aperture of described shaft collar is 1-1.2cm, thickness is 1.8-2.2cm.
8. multi-functional aerosol diffusion drying tube according to claim 1, is characterized in that the caliber of injection port is 3/8 inch.
9. multi-functional aerosol diffusion drying tube according to claim 1, is characterized in that described shaft collar leaves spacing relative to drying tube two injection port.
10. multi-functional aerosol diffusion drying tube according to claim 1, is characterized in that being connected with at least one for the shaft collar with spool cross-under in the drying tube of described stage casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954498.XA CN105388044A (en) | 2015-12-18 | 2015-12-18 | Multifunctional aerosol diffusion drying tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954498.XA CN105388044A (en) | 2015-12-18 | 2015-12-18 | Multifunctional aerosol diffusion drying tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105388044A true CN105388044A (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510954498.XA Pending CN105388044A (en) | 2015-12-18 | 2015-12-18 | Multifunctional aerosol diffusion drying tube |
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| CN (1) | CN105388044A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914621A (en) * | 2016-06-28 | 2016-08-31 | 国网山东省电力公司济南供电公司 | Intelligent outdoor terminal box dehumidification device |
| CN106621745A (en) * | 2016-12-26 | 2017-05-10 | 江南大学 | Bamboo joint series-combined vacuum-pumping exhaust gas purification pipe |
| CN108435269A (en) * | 2018-05-23 | 2018-08-24 | 南京信息工程大学 | More sheath Atmospheric Chemistry laminar flow reaction systems |
| CN109141973A (en) * | 2017-06-28 | 2019-01-04 | 西安市宇驰检测技术有限公司 | The collection device and method of acid mist in stationary source atmosphere |
| CN114383918A (en) * | 2022-01-11 | 2022-04-22 | 长安大学 | ENM aerosol diffusion drying system |
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Patent Citations (7)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914621A (en) * | 2016-06-28 | 2016-08-31 | 国网山东省电力公司济南供电公司 | Intelligent outdoor terminal box dehumidification device |
| CN106621745A (en) * | 2016-12-26 | 2017-05-10 | 江南大学 | Bamboo joint series-combined vacuum-pumping exhaust gas purification pipe |
| CN109141973A (en) * | 2017-06-28 | 2019-01-04 | 西安市宇驰检测技术有限公司 | The collection device and method of acid mist in stationary source atmosphere |
| CN109141973B (en) * | 2017-06-28 | 2021-09-21 | 西安市宇驰检测技术有限公司 | Device and method for collecting acid mist in atmosphere of fixed pollution source |
| CN108435269A (en) * | 2018-05-23 | 2018-08-24 | 南京信息工程大学 | More sheath Atmospheric Chemistry laminar flow reaction systems |
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| CN114383918A (en) * | 2022-01-11 | 2022-04-22 | 长安大学 | ENM aerosol diffusion drying system |
| CN114383918B (en) * | 2022-01-11 | 2023-06-23 | 长安大学 | ENM aerosol diffusion drying system |
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Application publication date: 20160309 |
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