CN106813953A - A kind of gas-filtering device for maintaining easily - Google Patents
A kind of gas-filtering device for maintaining easily Download PDFInfo
- Publication number
- CN106813953A CN106813953A CN201710218497.8A CN201710218497A CN106813953A CN 106813953 A CN106813953 A CN 106813953A CN 201710218497 A CN201710218497 A CN 201710218497A CN 106813953 A CN106813953 A CN 106813953A
- Authority
- CN
- China
- Prior art keywords
- filtration barrel
- pull bar
- support ventilation
- gas
- barrel body
- 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.)
- Granted
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Classifications
-
- 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
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- 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
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- 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
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
-
- 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 gas-filtering device for maintaining easily, including adapter, filtration barrel cover, filtration barrel body, secondary filter core, support ventilation pull bar, threaded set block；Filtration barrel body is hollow, and both ends open；The head end of filtration barrel cover is connected with the tail end of filtration barrel body, and tail end is connected with adapter；In filtration barrel body, head end is fixedly linked support ventilation pull bar with threaded set block, and tail end is connected with filtration barrel body head end；Support ventilation pull bar is provided with passage, and support ventilation pull bar tail end is provided with the dead slot being connected with passage；Junction on filtration barrel cover with support ventilation pull bar is provided with through hole；Secondary filter core is cylindrical in shape, and is placed on outside support ventilation pull bar, and two ends are clamped by filtration barrel cover and threaded set block respectively.Gas-filtering device of the present invention effectively can carry out sampling by filtration for high-temperature flue gas, it is adaptable to hot environment, and can meet the demand of analysis meter.
Description
Technical field
The present invention relates to a kind of filter for carrying out flue gas sampling.
Background technology
Existing flue gas sampling filter, mainly includes routine sampling rifle and single filter core, and single filter core passes through
Screw thread is simultaneously furnished with the front end that flexible seals are arranged on routine sampling rifle, and routine sampling rifle directly is inserted into flue, cigarette during work
Gas enters sampling gun inner chamber from the outside of single filter core, and flue gas is only just conveyed to analytical instrument by single filter.
The shortcoming of existing flue gas sampling filter is as follows：
1. single filter core is connected by flexible seals with routine sampling rifle, easy gas leakage under high temperature.
2. during smoke sampling, the depth of sampled point is restricted, it is impossible to more than the length of sampling gun, can not meet net
The actual demand of lattice method sampling.
3. high-temperature flue gas are put into routine sampling rifle by once filtering, and filtration grade can not meet the need of analysis meter
Ask.
4. one-level filter core Renewal process is complicated, and is easily mixed into impurity.
The content of the invention
The invention aims to solve defect present in prior art, there is provided one kind is maintained easily, carries out filter core
The gas-filtering device of replacing.
In order to achieve the above object, the invention provides a kind of gas-filtering device for maintaining easily, including adapter, mistake
Filtering cartridge lid, filtration barrel body, secondary filter core, support ventilation pull bar, threaded set block；Filtration barrel body is hollow, and both ends open；Cross
The head end of filtering cartridge lid is connected with the tail end of filtration barrel body, and tail end is connected with adapter；Support ventilation pull bar is located in filtration barrel body,
Head end is fixedly linked with threaded set block, and tail end is connected with filtration barrel body head end；Support ventilation pull bar is provided with passage,
Support ventilation pull bar tail end is provided with the dead slot being connected with passage；On filtration barrel cover and support ventilation pull bar junction set
There is through hole；The passage of support ventilation pull bar passes sequentially through the dead slot of support ventilation pull bar tail end, the through hole of filtration barrel cover and turns
Joint is connected；Secondary filter core is cylindrical in shape, and is placed on outside support ventilation pull bar, and in filtration barrel body；The two of precision Filter element
End is clamped by filtration barrel cover and threaded set block respectively.
The through-hole tail internal diameter of filtration barrel cover is less than head internal diameter；The head through hole of filtration barrel cover is provided with internal thread, branch
The tail end of support ventilation pull bar is provided with corresponding external screw thread, and the tail end of support ventilation pull bar stretches into the head through hole of filtration barrel cover
It is interior, and be connected through a screw thread.
The head end of support ventilation pull bar is provided with external screw thread；Threaded set block is annular in shape, and inner ring is provided with and support ventilation pull bar
The corresponding internal thread of external screw thread, outer ring stretches out and is provided with Gripping platform；Threaded set block passes through spiral shell with support ventilation pull bar
Line is fastened；Precision Filter element one end is gripped by Gripping platform.
Gas-filtering device of the present invention also includes extension apparatus and a fore filter；Sky is provided with the middle of extension apparatus
Chamber；One time fore filter is connected by extension apparatus with the head end of filtration barrel body；One time fore filter passes through extension apparatus
Cavity be connected with inside filtration barrel body.
Above-mentioned extension apparatus includes multiple extension thief rods；Each extension thief rod is directly connected by flexible joint；
Head, the afterbody of extension apparatus are connected by flexible joint with the head end of tail end for fore filter, filtration barrel body respectively.
The afterbody of fore filter is welded with hollow active extension bar；Fore filter is by active extension bar
Hollow space is connected with inside extension apparatus；The head of extension apparatus is connected by flexible joint with active extension bar；It is active to connect
The junction of head is respectively equipped with red copper pad；Filtration barrel cover is respectively equipped with red copper pad with the junction of adapter and filtration barrel body
Piece.
The junction of flexible joint is respectively equipped with stop nut；Filtration barrel cover is punished with the connection of adapter and filtration barrel body
Stop nut is not provided with it.
The annular recess being adapted with secondary filter core is provided with the head end of filtration barrel cover；Secondary filter core one end sets
In in the annular recess.
The present invention has advantages below compared to existing technology：
1st, the present invention utilizes threaded set agllutination to close support ventilation pull bar, can be ventilated on pull bar in support by threaded set block
Degree is screwed to be adapted to the filter core of different length specification, and facilitate the replacing of filter core.
2nd, the present invention can be used for various depth selections using the setting of multistage extension thief rod, meet actual demand.
3rd, the present invention is installed using the flexible joint place of being attached, and coordinates installation sealing red copper pad and stop nut,
Both the sealing under high temperature can have been ensured, the stability under high temperature can have been ensured again, while convenient disassembly, without consumable accessory.
4th, the present invention passes through secondary filter so that the high-temperature flue gas of sampling can meet the demand of analysis meter；Once simultaneously
Fore filter is directly welded with active extension bar, seals tight, fixed.
5th, gas-filtering device of the present invention effectively can carry out sampling by filtration for high-temperature flue gas, it is adaptable to hot environment, and
The demand of analysis meter can be met.
Brief description of the drawings
Fig. 1 is the tail structure schematic diagram of gas-filtering device of the present invention；
Fig. 2 is the head construction schematic diagram of gas-filtering device of the present invention.
In figure, 1- adapters, 2- red copper pads, 3- stop nuts, 4- secondary filter covers, 5- red copper pads, 6- supports
Ventilation pull bar, 7- secondary filter cylinders, bis- accurate filtration cores of 8-, 9- threaded set blocks, 10- flexible joints, 11- is multistage to be extended
Formula primary sample bar, the active extension bars of 12-, fore filter of 13-, 14- passages, 15- hexagon socket head cap screws.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, Fig. 2, gas-filtering device of the present invention includes adapter 1, secondary filter cover 4, support ventilation pull bar
6th, secondary filter cylinder 7, secondary precision Filter element 8, threaded set block 9, flexible joint 10, multistage extension primary sample bar 11,
12, fore filter 13 of active extension bar.The afterbody of fore filter 13 is welded with active extension bar 12, in active extension bar
Be inserted in red copper pad 2 in 12, active extension bar 12 with can the multistage stem of extension primary sample bar 11 be connected simultaneously by flexible joint 10
Tighten stop nut 3.It is several（Quantity can be increased and decreased according to the depth that stretches into of sampling）Can multistage extension primary sample bar 11
Head and the tail are connected by flexible joint 10, and red copper pad 2 is inserted in flexible joint 10 and stop nut 3 is tightened.Can multistage extension one
The afterbody of sub-sampling bar 11 is connected with the head of secondary filter cylinder 7 by flexible joint 10, and red copper pad 2 is inserted in flexible joint 10
And tighten stop nut 3.Passage 14 is provided with support ventilation pull bar 6, afterbody cavity is connected by passage 14, then led to
The hollow cavity for crossing secondary filter cover 4 is connected with adapter 1.The afterbody and secondary filter cover 4 of support ventilation pull bar 6
Head is connected by standard thread.Secondary accurate filtration core 8 is inserted in outside support ventilation pull bar 6, and head is logical by being locked at support
The threaded set block 9 of the head of gas pull bar 6 is clamped（The outer ring of threaded set block 9 stretches out and is provided with Gripping platform, by folder
The platform that maintains an equal level is clamped to secondary accurate filtration core 8）.The tail end of secondary filter cylinder 7 is put into red copper pad 5, with secondary filter
The head of cover 4 is connected by hexagon socket head cap screw 15.Secondary filter cover 4 passes through spiral shell after being inserted in red copper sealing gasket 2 with adapter 1
Line is connected and tightens stop nut 3.Adapter 1 is connected by G1/4 external screw threads with routine sampling rifle.
Muddy high-temperature gas enters the inner chamber of active extension bar 12 from outside for fore filter 13, subsequently into can
The inner chamber of multistage extension primary sample bar 11, by secondary mistake can be entered after the conveying of multistage extension primary sample bar 11
The inner chamber of filter cylinder body 7, then gas enter inner side through secondary accurate filtration core 8 from the inner chamber of secondary filter cylinder 7, gas enters
After the inner side of secondary accurate filtration core 8, the inner chamber of secondary filter cover 4 is entered by supporting the passage 14 in ventilation pull bar 6,
Last gas enters routine sampling gun body by adapter 1, so as to be conveyed to analysis meter.
Because the filtration core in a fore filter 13 and active extension bar 12 are connected using welding manner, therefore solve one
The sealing problem of secondary fore filter 13, flexible joint 10 is sealed and equipped with stop nut 3 using red copper pad, it is ensured that Suo Youlian
Connect place's sealing and stability in high temperature environments, can the quantity of multistage extension primary sample bar 11 can be according to live need
Increased and decreased, meet gridding method and take requirement a little, secondary accurate filtration core 8 is co-axially mounted with support ventilation pull bar 6, passed through
Threaded set block 9 is locked to secondary accurate filtration core 8, and the setting of threaded set block 9 ensure that the secondary fine of different lengths specification
Close filtration core 8 can be installed effectively, need not install flexible seals at the screw thread that support ventilation pull bar 6 is installed, it is ensured that equipment
High-temperature stability.
Claims (8)
1. a kind of gas-filtering device for maintaining easily, it is characterised in that：The gas-filtering device includes adapter, cartridge filter
Lid, filtration barrel body, secondary filter core, support ventilation pull bar, threaded set block；The filtration barrel body is hollow, and both ends open；Institute
The head end for stating filtration barrel cover is connected with the tail end of the filtration barrel body, and tail end is connected with the adapter；The support ventilation is drawn
In the filtration barrel body, head end is fixedly linked bar with the threaded set block, tail end and the filtration barrel body head end
Connection；The support ventilation pull bar is provided with passage, and support ventilation pull bar tail end is provided with the dead slot being connected with passage；Institute
State on filtration barrel cover and the junction of support ventilation pull bar is provided with through hole；The passage of the support ventilation pull bar is passed sequentially through
The dead slot of support ventilation pull bar tail end, the through hole of filtration barrel cover are connected with the adapter；The secondary filter core is cylindrical in shape,
It is placed on outside the support ventilation pull bar, and in the filtration barrel body；The two ends of the precision Filter element are respectively by the mistake
Filtering cartridge lid and threaded set block are clamped.
2. gas-filtering device according to claim 1, it is characterised in that：The through hole of the filtration barrel cover is ventilated with support
The junction of pull bar is provided with internal thread；The tail end of the support ventilation pull bar is connected through a screw thread with filtration barrel cover.
3. gas-filtering device according to claim 2, it is characterised in that：The head end of the support ventilation pull bar is provided with outer
Screw thread；The threaded set block is annular in shape, and inner ring is provided with internal thread corresponding with the external screw thread of the support ventilation pull bar, outer ring
Stretch out and be provided with Gripping platform；The threaded set block passes through screw threads for fastening with support ventilation pull bar；The precision Filter element one
End is gripped by the Gripping platform.
4. gas-filtering device according to claim 3, it is characterised in that：The gas-filtering device also includes extending filling
Put and a fore filter；Cavity is provided with the middle of the extension apparatus；Fore filter by extension apparatus with
The head end of the filtration barrel body is connected；Fore filter is by inside the cavity of extension apparatus and the filtration barrel body
It is connected.
5. gas-filtering device according to claim 4, it is characterised in that：The extension apparatus includes that multiple extensions take
Sample bar；Each extension thief rod is directly connected by flexible joint；Head, the afterbody of the extension apparatus are connect by active respectively
Head is connected with the head end of fore filter, filtration barrel body.
6. gas-filtering device according to claim 5, it is characterised in that：The afterbody welding of fore filter
There is hollow active extension bar；Fore filter is connected by the hollow space of active extension bar with extension apparatus inside
It is logical；The head of the extension apparatus is connected by flexible joint with the active extension bar；The junction difference of the flexible joint
It is provided with red copper pad；The filtration barrel cover is respectively equipped with red copper pad with the junction of adapter and filtration barrel body.
7. gas-filtering device according to claim 6, it is characterised in that：The junction of the flexible joint is respectively equipped with
Stop nut；The filtration barrel cover is respectively equipped with stop nut with the junction of adapter and filtration barrel body.
8. gas-filtering device according to claim 7, it is characterised in that：It is provided with the head end of the filtration barrel cover
The annular recess being adapted with the secondary filter core；Described secondary filter core one end is in the annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218497.8A CN106813953B (en) | 2017-04-05 | 2017-04-05 | A kind of gas-filtering device maintained easily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218497.8A CN106813953B (en) | 2017-04-05 | 2017-04-05 | A kind of gas-filtering device maintained easily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106813953A true CN106813953A (en) | 2017-06-09 |
| CN106813953B CN106813953B (en) | 2018-07-06 |
Family
ID=59116460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218497.8A Active CN106813953B (en) | 2017-04-05 | 2017-04-05 | A kind of gas-filtering device maintained easily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106813953B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448971A (en) * | 2019-09-02 | 2019-11-15 | 迈瑞尔实验设备（上海）有限公司 | A kind of built-in solid separator of experimental provision |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0570684A1 (en) * | 1992-05-18 | 1993-11-24 | TESTOTERM FRITZSCHING GmbH & Co. | Gas sampling device for combustion gas analyser |
| US20050241481A1 (en) * | 2002-07-19 | 2005-11-03 | Katsuhisa Honda | Filter for collecting chlorinated organic compound |
| CN202171547U (en) * | 2011-05-24 | 2012-03-21 | 中节能六合天融环保科技有限公司 | Portable flue gas sampling and heating probe |
| CN204101336U (en) * | 2014-10-17 | 2015-01-14 | 南京国电环保科技有限公司 | Portable sampling feeler lever |
| CN105126490A (en) * | 2015-08-28 | 2015-12-09 | 南京国电环保科技有限公司 | High-temperature-resistant filter |
| CN206601273U (en) * | 2017-04-05 | 2017-10-31 | 南京国电环保科技有限公司 | A kind of gas-filtering device maintained easily |
-
2017
- 2017-04-05 CN CN201710218497.8A patent/CN106813953B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0570684A1 (en) * | 1992-05-18 | 1993-11-24 | TESTOTERM FRITZSCHING GmbH & Co. | Gas sampling device for combustion gas analyser |
| US20050241481A1 (en) * | 2002-07-19 | 2005-11-03 | Katsuhisa Honda | Filter for collecting chlorinated organic compound |
| CN202171547U (en) * | 2011-05-24 | 2012-03-21 | 中节能六合天融环保科技有限公司 | Portable flue gas sampling and heating probe |
| CN204101336U (en) * | 2014-10-17 | 2015-01-14 | 南京国电环保科技有限公司 | Portable sampling feeler lever |
| CN105126490A (en) * | 2015-08-28 | 2015-12-09 | 南京国电环保科技有限公司 | High-temperature-resistant filter |
| CN206601273U (en) * | 2017-04-05 | 2017-10-31 | 南京国电环保科技有限公司 | A kind of gas-filtering device maintained easily |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448971A (en) * | 2019-09-02 | 2019-11-15 | 迈瑞尔实验设备（上海）有限公司 | A kind of built-in solid separator of experimental provision |
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| Publication number | Publication date |
|---|---|
| CN106813953B (en) | 2018-07-06 |
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