CN106885715A - A kind of flue gas sampling flying dust capturing device of quick despatch - Google Patents
A kind of flue gas sampling flying dust capturing device of quick despatch Download PDFInfo
- Publication number
- CN106885715A CN106885715A CN201510940492.7A CN201510940492A CN106885715A CN 106885715 A CN106885715 A CN 106885715A CN 201510940492 A CN201510940492 A CN 201510940492A CN 106885715 A CN106885715 A CN 106885715A
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- China
- Prior art keywords
- filter cylinder
- rack
- sealing ring
- outer barrel
- rear end
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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
- G01N1/2247—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
- G01N1/2202—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
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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 present invention is a kind of flue gas sampling flying dust capturing device of quick despatch, mainly including preceding end-rack, filter cylinder joint, filter cylinder, outer barrel, rear end-rack, guide rod, extension spring, retaining mechanism, heating rod, thermocouple, sealing ring A, sealing ring B, sealing ring C, base and lagging casing.Device is locked using extension spring pretension, sealing mechanism, it is possible to achieve quick-replaceable filter cylinder, and can guarantee that sealing.The present invention uses fast replacing structure, rather than the cumbersome mechanism such as old-fashioned structure thread seal, installs and convenient disassembly, time-consuming.
Description
Technical field
The invention belongs to Analysis on Environment Contamination and monitoring field, a kind of flying dust capturing device used by the sampling analysis and monitoring of dioxin in the sampling analysis of target contaminant in flue, particularly flue gas and flue dust is related generally to
Background technology
In order to control and reducing air pollution emission, it is often necessary to which the stationary source such as industrial furnace such as burning, danger wastes burning, thermal power plant, steel mill to municipal refuse is sampled and monitored.In sampling process, traditional flying dust capturing device is installed and dismantles comparatively laborious, not only increased the sampling time, and sealing effectiveness, nor highly desirable, operation is nor easily.Therefore originallyInventionA kind of new flying dust capturing device is proposed, i.e.,A kind of flue gas sampling flying dust capturing device of quick despatchTo solve a series of problems that traditional flying dust capturing device structure is brought to sampling work.
The content of the invention
Flying dust capturing device of the present invention, is mainly made up of preceding end-rack, filter cylinder joint, filter cylinder, outer barrel, rear end-rack, guide rod, extension spring, heating rod, thermocouple, sealing ring A, sealing ring B, sealing ring C, base and lagging casing；
Preceding end-rack and rear end-rack are the flat board that middle part is provided with through hole, and preceding end-rack is perpendicularly fixed on base；Filter cylinder joint is the truncated cone tubular structure of both ends open, filter cylinder is circular flying dust cylinder, outer barrel is the cylinder-like structure of both ends open, cylinder interior is radially provided with the dividing plate with through hole, filter cylinder joint, filter cylinder and outer barrel arranged concentric, filter cylinder coordinate installation, inlet end of the filter cylinder joint buckle together in filter cylinder with the frustum of a cone outer surface on filter cylinder joint, filter cylinder is placed in outer barrel, the baffle contacts in the bottom of filter cylinder and outer barrel；
The guide rod of more than 2 is individually fixed on base, the through hole that guide rod is passed through is offered in end-rack afterwards, in extension spring is arranged with guide rod, two ends of extension spring are fixedly connected with base and rear end-rack respectively, guide rod and extension spring pre-fix on base rear end-rack, and rear end-rack can slide axially along guide rod；In being provided with heating rod and thermocouple in base；
Filter cylinder joint, filter cylinder and outer barrel are placed between preceding end-rack and rear end-rack, and sealing ring A is provided between preceding end-rack and filter cylinder joint；Sealing ring B is provided between filter cylinder joint and filter cylinder；Sealing ring C is provided between outer barrel and rear end-rack；
Preceding end-rack, filter cylinder joint, filter cylinder, outer barrel, rear end-rack, guide rod, extension spring, retaining mechanism, heating rod, thermocouple, sealing ring A, sealing ring B, sealing ring C, base are placed in inside lagging casing.
Flying dust capturing device of the invention also includes the retaining mechanism being placed between rear end-rack and preceding end-rack, and it is made up of pull bar and locking member, and locking member is cam or nut；
When locking member is cam, pull bar one end is articulated with rear end-rack, and a top baffle plate with groove is provided with base, and the pull bar other end is overlapped in groove and the pull bar other end is articulated with the rotating shaft of cam, and cam is abutted with baffle plate；
When locking member is nut, pull bar one end is articulated with rear end-rack, the pull bar other end is provided with external screw thread, and the pull bar other end is screwed after passing through a baffle plate being fixed on base with nut；
The locking part for adjusting retaining mechanism furthers rear end-rack with preceding end-rack, and keeps certain tightening force；In the presence of tightening force between preceding end-rack, sealing ring A and filter cylinder joint, between filter cylinder joint, sealing ring B and filter cylinder, sealing is formed between outer barrel, sealing ring C and rear end-rack.
Outer barrel in flying dust capturing device of the invention is the cylindrical component of inner wall smooth, in being provided with apertured partition in cylinder；According to different sample requirements, the material of outer barrel is glass, quartz or metal.
The beneficial effects of the invention are as follows：Compared with traditional flying dust capturing device, the flue gas sampling flying dust capturing device of quick despatch of the invention can realize being rapidly assembled and disassembled for filter cylinder, and can pass through, extension spring, guide rod and retaining mechanism realize fast sealing, are that sampling work saves the time, operate also more simple and convenient.
Brief description of the drawings
Figure 1For of the inventionA kind of flue gas sampling flying dust capturing device of quick despatchSignal during sampling workFigure.Wherein, (1) be preceding end-rack, (2) be filter cylinder joint, (3) be filter cylinder, (4) be outer barrel, (5) be rear end-rack, (6) be guide rod, (7) be extension spring, (8) be retaining mechanism, (9) be heating rod, (10) be thermocouple, (11) be sealing ring A, (12) be sealing ring B, (13) be sealing ring C, (14) be base, (15) be lagging casing, (16) sampling gun, (17) sample capturing device, (18) sampling instrument.
Figure 2For of the inventionA kind of flue gas sampling flying dust capturing device of quick despatchThe signal of primary structureFigure。In figurePiece mark withFigure 1It is identical.
Specific embodiment
With reference toAccompanying drawingEmbodiments of the invention are described.
Flying dust capturing device of the present invention is when in use, the end pipeline of sampling gun 16 is connected with the interface in the preceding end-rack 1 of flying dust capturing device, interface in the rear end-rack 5 of flying dust capturing device is connected with the pipeline of the entrance point of sample capturing device 17, sample capturing device 17 is filled with the container of two end openings of resin extender for inside, and the port of export of sample capturing device 17 is connected by pipeline with sampling instrument 18；Collected flue gas is under the extraction of the vavuum pump of sampling instrument 17, flue gas by sampling gun 16 flow into successively preceding end-rack 1, filter cylinder joint 2, filter cylinder 3, outer barrel 4, after end-rack 5, sample capturing device 16 is flowed into by gas circuit connecting pipe, and flow into and emptied through vavuum pump in sampling instrument 18.
When filter cylinder 3 is installed, filter cylinder 3 is enclosed within the conical surface of filter cylinder joint 2 first, and filter cylinder 3 is put into outer barrel 4, the certain distance of rear end frame 5 is pulled open backward, the assembly of filter cylinder 3, filter cylinder joint 2 and outer barrel 4 is put on base 14, end-rack 5 after release, under the pulling force effect of extension spring 6, between preceding end-rack 1, sealing ring A11 and filter cylinder joint 2, between filter cylinder joint 2, sealing ring B12 and filter cylinder 3, contacted with each other between outer barrel 4, sealing ring C13 and rear end-rack 5, in preliminary Pre strained state, the locking of retaining mechanism 8 is then realized that device is sealed, on the contrary dismounting operation.
Claims (5)
1. the flue gas sampling flying dust capturing device of a kind of quick despatch, it is characterised in that main by preceding end-rack
(1), filter cylinder joint (2), filter cylinder (3), outer barrel (4), rear end-rack (5), guide rod (6), extension spring (7), heating
Rod (9), thermocouple (10), sealing ring A (11), sealing ring B (12), sealing ring C (13), base (14)
And lagging casing (15) composition；
Preceding end-rack (1) and rear end-rack (5) are the flat board that middle part is provided with through hole, and preceding end-rack (1) is perpendicularly fixed at bottom
On seat (14)；Filter cylinder joint (2) is the truncated cone tubular structure of both ends open, and filter cylinder (3) is circular flying dust
Cylinder, outer barrel (4) is the cylinder-like structure of both ends open, and cylinder interior is radially provided with the dividing plate with through hole, filter
Cylinder joint (2), filter cylinder (3) and outer barrel (4) arranged concentric, outside the frustum of a cone on filter cylinder (3) and filter cylinder joint (2)
Surface engagement is installed, and filter cylinder joint (2) is fastened on the inlet end of filter cylinder (3), and filter cylinder (3) is placed in outer barrel (4),
Baffle contacts in the bottom of filter cylinder (3) and outer barrel (4)；
The guide rod (6) of more than 2 is individually fixed on base (14), offers what guide rod was passed through on rear end-rack (5)
Through hole, in being arranged with extension spring (7) on guide rod (6), two ends of extension spring (7) respectively with base (14) and
End-rack (5) is fixedly connected afterwards, and guide rod (6) and extension spring (7) pre-fix on base (14) rear end-rack (5), after
End-rack (5) can slide axially along guide rod (6)；Heating rod (9) and thermocouple (10) are provided with the base (14)；
Filter cylinder joint (2), filter cylinder (3) and outer barrel (4) are placed between preceding end-rack (1) and rear end-rack (5), in front end
Sealing ring A (11) is provided between frame (1) and filter cylinder joint (2)；It is provided between filter cylinder joint (2) and filter cylinder (3)
Sealing ring B (12)；Sealing ring C (13) is provided between outer barrel (4) and rear end-rack (5)；
Preceding end-rack (1), filter cylinder joint (2), filter cylinder (3), outer barrel (4), rear end-rack (5), guide rod (6), drawing
Spring (7), retaining mechanism (8), heating rod (9), thermocouple (10), sealing ring A (11), sealing ring B (12),
It is internal that sealing ring C (13), base (14) are placed in lagging casing (15).
2. flying dust capturing device as claimed in claim 1, it is characterised in that also including being placed in rear end-rack
(5) retaining mechanism (8) and between preceding end-rack, it is made up of pull bar and locking member, and locking member is
Cam or nut；
When locking member is cam, pull bar one end is articulated with rear end-rack (5), and one is provided with base (14)
Top baffle plate with groove, the pull bar other end is overlapped in groove and the pull bar other end is articulated with turning for cam
On axle, cam is abutted with baffle plate；
When locking member is nut, pull bar one end is articulated with rear end-rack (5), the pull bar other end is provided with outer spiral shell
Line, the pull bar other end is screwed after passing through a baffle plate being fixed on base (14) with nut；
The locking part of regulation retaining mechanism (8) furthers rear end-rack (5) with preceding end-rack (1), and keeps certain
Tightening force；In the presence of tightening force preceding end-rack (1), between sealing ring A (11) and filter cylinder joint (2), filter cylinder
Between joint (2), sealing ring B (12) and filter cylinder (3), outer barrel (4), sealing ring C (13) and rear end-rack (5) it
Between formed sealing.
3. flying dust capturing device as claimed in claim 1, it is characterised in that outer barrel (4) is inwall light
Sliding cylindrical component, in being provided with apertured partition in cylinder；According to different sample requirements, the material of outer barrel
It is glass, quartz or metal.
4. flying dust capturing device as claimed in claim 1, it is characterised in that when specifically used：Sampling
Rifle (16) end pipeline is connected with the interface in the preceding end-rack (1) of flying dust capturing device, flying dust capturing device
The interface in end-rack (5) is connected with the pipeline of the entrance point of sample capturing device (17) afterwards, sample trapping dress
Put the container that (17) are internal two end openings for being filled with resin extender, sample capturing device (17) go out
Mouth end is connected by pipeline with sampling instrument (18)；Extraction of the collected flue gas in sampling instrument (17) vavuum pump
Under, flue gas flows into preceding end-rack (1), filter cylinder joint (2), filter cylinder (3), outer barrel successively by sampling gun (16)
(4), rear end-rack (5), flows into sample capturing device (16), and flow into sampling instrument (18) by gas circuit connecting pipe
It is middle to be emptied through vavuum pump.
5. flying dust capturing device as claimed in claim 1, it is characterised in that when installing filter cylinder (3),
Filter cylinder (3) is enclosed within filter cylinder joint (2) conical surface first, and filter cylinder (3) is put into outer barrel (4), pulled back
Rear end-rack (5) certain distance is opened, the assembly of filter cylinder (3), filter cylinder joint (2) and outer barrel (4) is put into base
(14) on, end-rack (5) after release, under extension spring (6) pulling force effect, preceding end-rack (1), sealing ring A (11) and
Between filter cylinder joint (2), between filter cylinder joint (2), sealing ring B (12) and filter cylinder (3), outer barrel (4), sealing
Circle C (13) and rear end-rack (5) between contact with each other, in preliminary Pre strained state, then by retaining mechanism (8)
Locking realizes that device is sealed, on the contrary dismounting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940492.7A CN106885715B (en) | 2015-12-16 | 2015-12-16 | A kind of flue gas sampling flying dust capturing device of quick despatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940492.7A CN106885715B (en) | 2015-12-16 | 2015-12-16 | A kind of flue gas sampling flying dust capturing device of quick despatch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106885715A true CN106885715A (en) | 2017-06-23 |
| CN106885715B CN106885715B (en) | 2019-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510940492.7A Active CN106885715B (en) | 2015-12-16 | 2015-12-16 | A kind of flue gas sampling flying dust capturing device of quick despatch |
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| Country | Link |
|---|---|
| CN (1) | CN106885715B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100206093A1 (en) * | 2007-09-28 | 2010-08-19 | Wright James E | Atmospheric sampling apparatus with flexible line and probe |
| CN201569588U (en) * | 2009-12-10 | 2010-09-01 | 河北省机电一体化中试基地 | Heated smoke sampling probe easy to assemble and disassemble |
| CN103018075A (en) * | 2012-12-05 | 2013-04-03 | 北京航天益来电子科技有限公司 | Bypass built-in type diluting and sampling probe outside flue |
| CN203275143U (en) * | 2013-05-31 | 2013-11-06 | 神华集团有限责任公司 | Smoke sampling device |
| CN203758797U (en) * | 2014-03-25 | 2014-08-06 | 南京霍普斯科技有限公司 | Smoke measuring heating-type sampler capable of drawing out pre-filter |
-
2015
- 2015-12-16 CN CN201510940492.7A patent/CN106885715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100206093A1 (en) * | 2007-09-28 | 2010-08-19 | Wright James E | Atmospheric sampling apparatus with flexible line and probe |
| CN201569588U (en) * | 2009-12-10 | 2010-09-01 | 河北省机电一体化中试基地 | Heated smoke sampling probe easy to assemble and disassemble |
| CN103018075A (en) * | 2012-12-05 | 2013-04-03 | 北京航天益来电子科技有限公司 | Bypass built-in type diluting and sampling probe outside flue |
| CN203275143U (en) * | 2013-05-31 | 2013-11-06 | 神华集团有限责任公司 | Smoke sampling device |
| CN203758797U (en) * | 2014-03-25 | 2014-08-06 | 南京霍普斯科技有限公司 | Smoke measuring heating-type sampler capable of drawing out pre-filter |
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| Publication number | Publication date |
|---|---|
| CN106885715B (en) | 2019-05-07 |
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