CN207036543U - Online air pre-concentration device - Google Patents
Online air pre-concentration device Download PDFInfo
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- CN207036543U CN207036543U CN201721008022.8U CN201721008022U CN207036543U CN 207036543 U CN207036543 U CN 207036543U CN 201721008022 U CN201721008022 U CN 201721008022U CN 207036543 U CN207036543 U CN 207036543U
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Abstract
The utility model provides online air pre-concentration device.Its technical scheme is：Switching valve（19）Control connection six-way valve（20）, six-way valve（20）A port（14）Connection sampling threeway（12）Lower mouth, sample threeway（12）Vertical mouth connection injection port（13）, six-way valve（20）Two ports（11）Quality of connection flowmeter（9）, mass flowmenter（9）Connect sampling pump（8）, six-way valve（20）Three ports（10）Connect filter（2）, filter（2）It is provided with blowback（1）, filter（2）Coupled reaction device, reactor is interior to be provided with cold-trap（3）And desorption（5）, the outer top of reactor is provided with radiator（4）, reactor connection cold-trap pipe（6）, cold-trap pipe（6）It is provided with blowback threeway（7）, cold-trap pipe（6）Connect six-way valve（20）Six ports（15）, six-way valve（20）Four ports（18）Connection traffic controller（17）.The beneficial effects of the utility model：Using electronic cooling, semiconductor chilling plate, small volume.
Description
Technical field
Atmospheric monitoring technical field is the utility model is related to, especially online air pre-concentration device.
Background technology
Existing equipment volume is big, and maintenance workload is big, and replacing refrigerating fluid is cumbersome, and liquid nitrogen can not be realized online, technology
It need to improve, now using electronic cooling technology, using large-power semiconductor cooling piece and heat pipe heat radiation, small volume, controlling party
Just, it is adapted to integrated.
The content of the invention
The purpose of this utility model be to provide air is enriched with using electronic cooling and content vestige record
Line air pre-concentration device.Its technical scheme is：The control connection six-way valve of switching valve 19, the port connection sampling three of six-way valve
Logical lower mouth, the vertical mouth connection injection port of sampling threeway, two port quality of connection flowmeters of six-way valve, mass flowmenter connection are adopted
Sample pump, the three ports connection filter of six-way valve, filter are provided with blowback, filter coupled reaction device, are provided with reactor
Cold-trap and desorption, the outer top of reactor are provided with radiator, reactor connection cold-trap pipe, and cold-trap pipe is provided with blowback threeway, cold-trap
Pipe connects six ports of six-way valve, four port connection traffic controllers of six-way valve, and flow controller connection controls high body nitrogen,
Five port linking parsing instrument of six-way valve, the analytical column connecting detection device set in analyzer.
The beneficial effects of the utility model：Using electronic cooling technology, using large-power semiconductor cooling piece and heat pipe
Radiating, small volume is easy to control, is adapted to integrate, and air is enriched with and content vestige records, is pushed greatly beneficial to environmental science and technology
Extensively.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present utility model.
Embodiment
As shown in figure 1, online air pre-concentration device, it is mainly by blowback 1, filter 2, cold-trap 3, radiator 4, desorption
5th, cold-trap pipe 6, blowback threeway 7, sampling pump 8, mass flowmenter 9, three ports 10, two ports 11, sampling threeway 12, injection port
13rd, a port 14, six ports 15, high body nitrogen 16, flow controller 17, four ports 18, switching valve 19, six-way valve 20, five are logical
Mouth 21, analyzer 22, analytical column 23 and detector 24 are formed.The control connection six-way valve 20 of switching valve 19, the one of six-way valve 20 are logical
The connection sampling 12 times mouths of threeway of mouth 14, sampling threeway 12 vertical mouth connection injection port 13, two ports 11 of six-way valve 20 connect matter
Flowmeter 9 is measured, mass flowmenter 9 connects sampling pump 8, the three ports 10 connection filter 2 of six-way valve 20, and filter 2 is provided with
Blowback 1, the coupled reaction device of filter 2, cold-trap 3 and desorption 5 are provided with reactor, the outer top of reactor is provided with radiator 4, reaction
Device connection cold-trap pipe 6, cold-trap pipe 6 is provided with blowback threeway 7, and cold-trap pipe 6 connects six ports 15 of six-way valve 20, six-way valve 20
The connection traffic controller 17 of four port 18, the connection of flow controller 17 control high body nitrogen 16, and five ports 21 of six-way valve 20 connect
Analyzer 22 is connect, the connecting detection device 24 of analytical column 23 set in analyzer 22.
Operating process
First step pre-purges, and cold-trap 3 starts to cool to -30 °C of design temperature, and heat tracing line is heated to 120 °C, and carrier gas is blown
Sweep cold-trap pipe（6）, purge cold-trap（3）In residual substance, complete cold-trap（3）Prepare；Second step is enriched with, and switches six-way valve
（20）, sample gas enters enrichment pipe, and by programme-control enrichment time 10 minutes, gas is enriched in into cold-trap pipe（6）It is interior；Third step
Desorption（5）, enrichment pipe is brought rapidly up to 280 °C, continues one minute；Four steps notes sample, switches six-way valve（20）, keep one
Minute, sample elution is gone out cold-trap pipe by carrier gas（6）, inject analyzer（22）Pass through analytical column（23）Connecting detection device（24）；The
Five step blowbacks（1）, switch transition valve after 1 minute（19）, six-way valve action, will not be desorbed（5）Higher boiling sample blowback go out
Cold-trap pipe（6）, into next cycle period, each phases-time can be set according to actual conditions.
The utility model is before use, existing equipment volume is big, and replacing refrigerating fluid is cumbersome, and liquid nitrogen can not be realized online.
The advantages of embodiment 1：Using electronic cooling technology, using large-power semiconductor cooling piece and heat pipe heat radiation, small volume, control
It is convenient, it is adapted to integrated, the sample gas pretreatment process especially suitable for on-line environmental monitoring equipment.
Claims (1)
1. online air pre-concentration device, it is characterised in that：Switching valve（19）Control connection six-way valve（20）, six-way valve（20）'s
One port（14）Connection sampling threeway（12）Lower mouth, sample threeway（12）Vertical mouth connection injection port（13）, six-way valve（20）'s
Two ports（11）Quality of connection flowmeter（9）, mass flowmenter（9）Connect sampling pump（8）, six-way valve（20）Three ports（10）
Connect filter（2）, filter（2）It is provided with blowback（1）, filter（2）Coupled reaction device, reactor is interior to be provided with cold-trap（3）
And desorption（5）, the outer top of reactor is provided with radiator（4）, reactor connection cold-trap pipe（6）, cold-trap pipe（6）It is provided with blowback three
It is logical（7）, cold-trap pipe（6）Connect six-way valve（20）Six ports（15）, six-way valve（20）Four ports（18）Connection traffic controls
Device（17）, flow controller（17）Connection controls high body nitrogen（16）, six-way valve（20）Five ports（21）Linking parsing instrument
（22）, analyzer（22）The analytical column inside set（23）Connecting detection device（24）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008022.8U CN207036543U (en) | 2017-08-14 | 2017-08-14 | Online air pre-concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721008022.8U CN207036543U (en) | 2017-08-14 | 2017-08-14 | Online air pre-concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036543U true CN207036543U (en) | 2018-02-23 |
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ID=61487472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721008022.8U Active CN207036543U (en) | 2017-08-14 | 2017-08-14 | Online air pre-concentration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328637A (en) * | 2017-08-14 | 2017-11-07 | 山东海慧环境科技有限公司 | Online air pre-concentration device |
-
2017
- 2017-08-14 CN CN201721008022.8U patent/CN207036543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328637A (en) * | 2017-08-14 | 2017-11-07 | 山东海慧环境科技有限公司 | Online air pre-concentration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Online atmospheric pre-concentration device Effective date of registration: 20180620 Granted publication date: 20180223 Pledgee: Shandong yamakou Leasing Co. Ltd. Pledgor: Shandong Haihui Environmental Technology Co. Ltd. Registration number: 2018370000113 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191120 Granted publication date: 20180223 Pledgee: Shandong yamakou Leasing Co. Ltd. Pledgor: Shandong Haihui Environmental Technology Co. Ltd. Registration number: 2018370000113 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |