CN206756542U - A kind of online filter membrane drying device of gas particles thing sampler - Google Patents
A kind of online filter membrane drying device of gas particles thing sampler Download PDFInfo
- Publication number
- CN206756542U CN206756542U CN201720612941.XU CN201720612941U CN206756542U CN 206756542 U CN206756542 U CN 206756542U CN 201720612941 U CN201720612941 U CN 201720612941U CN 206756542 U CN206756542 U CN 206756542U
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- Prior art keywords
- filter membrane
- sampling
- drying device
- tube
- dry
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- 239000012528 membrane Substances 0.000 title claims abstract description 64
- 238000001035 drying Methods 0.000 title claims abstract description 48
- 239000002245 particle Substances 0.000 title claims abstract description 33
- 238000005070 sampling Methods 0.000 claims abstract description 83
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000013618 particulate matter Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000007605 air drying Methods 0.000 abstract description 2
- 239000013068 control sample Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 44
- 239000003500 flue dust Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of online filter membrane drying device of gas particles thing sampler, it is characterized in that, sampling head is connected by sampling connecting tube with filter membrane clamp device, and filter membrane clamp device is connected by sample streams gauge with aspiration pump, and sampling membrane is arranged in filter membrane clamp device；Sampling connecting tube branch is connected with drying device, the structure that drying device is followed successively by air blower from bottom to top, drier, filter, valve, dry flow meter and drying tube are formed by connecting, the flow of air compressor control dry flow meter are more than the flow of aspiration pump control sample streams gauge.Throughput in drying device is more than the throughput in sampling apparatus, hot blast in drying device carries out Quick-air-drying to the associated components in sampling apparatus and sampling product, automatic after the completion of sampling it can quickly dry filter membrane, it is advantageously implemented automation, the operating efficiency of operating personnel is greatly improved, improves the real-time of measurement.
Description
Technical field
The utility model belongs to sample devices technical field, and in particular to a kind of online filter membrane of gas particles thing sampler is done
Dry device.
Background technology
The method of main flow is using the particulate matter in filter membrane capture gas in particle sampler in current gas, passes through survey
The of poor quality of the filter membrane after blank filter membrane and sampling is measured, is either measured indirectly using β rays or concussion day equality other modes
It is of poor quality before and after filter membrane sampling, and the volume of sample gas obtains the concentration of particulate matter in gas.In sampling process, especially
It is in flue gas sampling, when the humidity of sample gas is higher, can occur the phenomenon of condensate on filter membrane, generally all be utilized in filter
Heater is set in the gas circuit of film front end, the relative humidity of sample gas is reduced by improving the method for temperature of sample gas, but it is logical
The gas circuit of normal filter membrane front end is all shorter, and measurement error is caused to avoid the particulate matter in sample gas from being attached to tube wall, so heating
Effect is limited.When being weighed or being detected to filter membrane, it is necessary to which being dehumidified can just measure.For manual detector
Device is dried, it is necessary to take out filter membrane, and operating process is complicated, requires high to operating personnel；And for automatic detection instrument, due to
Filter membrane is avoided to be contaminated, it is difficult to effectively be dried automatically after sampling.
Utility model content
For that when the humidity of sample gas is higher, can occur the phenomenon of condensate on filter membrane in the prior art, simplify gas
The drying course of particle sampler, and the online effectively drying of automatic detection instrument is realized, the utility model proposes one
The kind online filter membrane drying device of gas particles thing sampler.
The technical scheme that the utility model is taken is：
A kind of online filter membrane drying device of gas particles thing sampler, sampling head is by sampling connecting tube and filter membrane clamp device
Connection, filter membrane clamp device are connected by sample streams gauge with aspiration pump, and sampling membrane is arranged in filter membrane clamp device, and filter membrane clamps
Put and be configured to that filter membrane is clamped to and ensured the device for sampling gas circuit air-tightness；Sampling connecting tube branch is connected with dry dress
Put, drying device is followed successively by air blower, drier, filter, valve, dry flow meter and drying tube and is formed by connecting from bottom to top
Structure, the flow of air compressor control dry flow meter is more than the flow of aspiration pump control sample streams gauge.
Further, the sampling head is arranged to smoke dust sampling head, and smoke dust sampling head is arranged to air inlet, bend pipe and outlet
Mouthful, the perpendicular arrangement of air inlet and gas outlet is set, the bend pipe connection seamlessly transitted between air inlet and gas outlet using circular arc,
Bend pipe is arranged to inverted " j " shaped structure.
The sampling head is applied in flue dust sampling, and air inlet is extended in flue dust sampling cavity, effect of the flue dust in aspiration pump
Under flue dust collected along bend pipe and vertically disposed gas outlet on sampling membrane in filter membrane clamp device.
Further, the sampling head is arranged to air particle sampling head, is followed successively by rainhat, impacting type from top to bottom
The structure that cutter for particles and escape pipe are formed by connecting, rainhat are arranged to double-deck dish-shaped rainhat.
The sampling head is applied in air particle sampling, and the particulate matter in air is in the presence of aspiration pump, along double
In gap air inlet particle sampling head between the dish-shaped rainhat of layer, the particulate matter in air is collected along escape pipe
On sampling membrane in filter membrane clamp device.
Further, the outer wall of the gas outlet or escape pipe is provided with heating tube, and heating tube is twist coiled in
On the tube wall of gas outlet, section is coated between adjacent heating tube in the insulating gasbag of I-shaped structure, is filled out in insulating gasbag
Fill insulation liquid.Heating-pipe structure is simply novel, and spiral structure ensure that the uniformity of heating；Insulating gasbag has certain
Elastic buffer acts on, special cross section structure, makes it strong with adjacent heating tube cladding compactness, avoids coming off, thermal-insulating sealing
Property is strong, fully serves the effect of heating.
Further, the end set of the drying tube is the bend pipe structure of inverted "L" shaped, and one end of drying tube and sampling connect
Adapter connection, the other end of drying tube connect with dry flow meter.The special camber structure of drying tube, makes the hot-fluid in air blower
It is transitional strong in uniform and stable importing sampling connecting tube, avoid gas shock.
Further, the filter is arranged to fiber high precision pneumatic filter, to the particle more than 0.3 micron grain size
The filter efficiency of thing is not less than 99.97%.
Further, the dry flow meter and sample streams gauge use orifice flowmeter.
The beneficial effects of the utility model are：
Automatic after the completion of particle sampling filter membrane can be quickly dried, be advantageously implemented automation, greatly improve behaviour
Make the operating efficiency of personnel, improve the real-time of measurement.Throughput in drying device is more than the throughput in sampling apparatus,
It ensure that after sampling terminates, the dry wind in drying device is filled with sampling apparatus with bigger flow, in sampling apparatus
Associated components and sampling product carry out Quick-air-drying, avoid the air-flow in sampling apparatus to external diffusion, while also avoid sampling
Outer air-flow further spreads into sampling apparatus, ensure that the Stability and veracity of sampling, avoids bringing experimental error；Separately
Outside, when being passed through in the drying wind direction sampling connecting tube in drying device, the sampling sampled on connection tube wall can be will be attached to
Particle is further blown into filter membrane clamp device, the absorption of Sampling particles thing is ensure that the accuracy of experiment on filter membrane.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of smoke dust sampling head in the utility model.
Fig. 3 is the structural representation of air particle sampling head in the utility model.
Fig. 4 is the schematic cross-section of heating tube in the utility model.
Wherein, 1, sampling head；2nd, connecting tube is sampled；3rd, filter membrane clamp device；4th, sample streams gauge；5th, aspiration pump；6th, dry
Pipe；7th, dry flow meter；8th, valve；9th, filter；10th, drier；11st, air blower；12nd, air inlet；13rd, bend pipe；14th, outlet
Mouthful；15th, rainhat；16th, impacting type cutter for particles；17th, escape pipe；18th, heating tube；19th, insulating gasbag.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of online filter membrane drying device of gas particles thing sampler, sampling head 1 is by sampling connecting tube 2
Connected with filter membrane clamp device 3, filter membrane clamp device 3 is connected by sample streams gauge 4 and aspiration pump 5, and sampling membrane is arranged on filter membrane
In clamp device 3, filter membrane clamp device 3 is configured to that filter membrane is clamped to and ensured the device for sampling gas circuit air-tightness；Sampling connection
The branch of pipe 2 is connected with drying device, drying device be followed successively by from bottom to top air blower 11, drier 10, filter 9, valve 8,
The structure that dry flow meter 7 and drying tube 6 are formed by connecting, air blower 11 control the flow of dry flow meter 7 to be controlled more than aspiration pump 5
The flow of sample streams gauge 4 processed.
The end set of drying tube 6 is the structure of bend pipe 13 of inverted "L" shaped, and one end of drying tube 6 and sampling connecting tube 2 connect
Connect, the other end and dry flow meter 7 of drying tube 6 connect.The special camber structure of drying tube 6, makes the hot-fluid in air blower 11
It is transitional strong in uniform and stable importing sampling connecting tube 2, avoid gas shock.
Filter 9 is arranged to fiber high precision pneumatic filter 9, the filtering effect to the particulate matter more than 0.3 micron grain size
Rate is not less than 99.97%.
Dry flow meter 7 and sample streams gauge 4 use orifice flowmeter.
Carrying out practically process is：
When needing to be sampled, valve 8 is closed, and aspiration pump 5 works during sampling, is pressed by the feedback control of sample streams gauge 4
Sample gas is extracted according to predetermined flow.Sample gas reaches filter membrane clamp device 3 by sampling head 1 through over-sampling connecting tube 2, passes through filter membrane clip
After particulate matter after device 3 in sample gas is captured by filter membrane, gas is evacuated pump 5 by pipeline and takes discharge away.At the end of sampling, protect
Hold aspiration pump 5 to be evacuated with predetermined flow, while open valve 8, and air blower 11 is worked, with more than the extraction flow of aspiration pump 5
The speed of amount is sent into gas, is dehumidified by drier 10, then after filter 9 filters out particulate matter, by dry flow meter 7
It is sent into drying tube 6 and threeway in sampling connecting tube 2.Wherein drying tube 6 can heat the gases to predetermined temperature.Due to drying tube
6 flows being sent into sampling gas circuit are more than the flow of aspiration pump 5, therefore the sampled connecting tube 2 of redundance gas and sampling head 1 flow
Walk, other gases are evacuated pump 5 by filter membrane and taken away.If the humidity of air in itself is sufficiently small, drier 10 can not had to.This
The dry gas that sample flows through filter membrane by drying tube 6 quickly can take away the moisture in filter membrane, automatic quick so as to realize
Dry filter membrane.Whether drying process terminates that fixed drying time, or the humidity of the gas of the measurement extraction of aspiration pump 5 can be used
To carry out deciding whether to terminate.
Embodiment 2
On the basis of embodiment 1, different from embodiment 1, as shown in Fig. 2 sampling head 1 is arranged to smoke dust sampling head 1, cigarette
Dirt sampling head 1 is arranged to air inlet 12, bend pipe 13 and gas outlet 14, and the perpendicular arrangement of air inlet 12 and gas outlet 14 sets, entered
The bend pipe 13 seamlessly transitted between gas port 12 and gas outlet 14 using circular arc is connected, and bend pipe 13 is arranged to inverted " j " shaped structure.
The sampling head 1 is applied in flue dust sampling, and air inlet 12 is extended in flue dust sampling cavity, and flue dust is in aspiration pump 5
Along bend pipe 13 and vertically disposed gas outlet 14 flue dust is collected under effect on the sampling membrane in filter membrane clamp device 3.
Embodiment 3
On the basis of embodiment 1, different from embodiment 1, as shown in figure 3, sampling head 1 is arranged to air particle sampling
First 1, the structure that rainhat 15, impacting type cutter for particles 16 and escape pipe 17 are formed by connecting, rain-proof are followed successively by from top to bottom
Cap 15 is arranged to double-deck dish-shaped rainhat 15.
The sampling head 1 is applied in air particle sampling, particulate matter the acting in aspiration pump 5 in air, along
In gap air inlet particle sampling first 1 between double-deck dish-shaped rainhat 15, along escape pipe 17 by the particle in air
Thing is collected on the sampling membrane in filter membrane clamp device 3.
As shown in figure 4, the outer wall of gas outlet 14 or escape pipe 17 is provided with heating tube 18, the twist disk of heating tube 18
It is wound on the tube wall of gas outlet 14, section is coated between adjacent heating tube 18 in the insulating gasbag of I-shaped structure, is incubated
Filling insulation liquid in air bag.18 novelty simple in construction of heating tube, spiral structure ensure that the uniformity of heating；Insulating gasbag
Acted on certain elastic buffer, special cross section structure, make it strong with the adjacent cladding compactness of heating tube 18, avoid taking off
Fall, thermal-insulating sealing is strong, fully serves the effect of heating.
Described above is not to limitation of the present utility model, it should be pointed out that：For the ordinary skill people of the art
For member, on the premise of the utility model in essence scope is not departed from, some variations, modifications, additions or substitutions can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
- A kind of 1. online filter membrane drying device of gas particles thing sampler, it is characterised in that sampling head by sample connecting tube and Filter membrane clamp device is connected, and filter membrane clamp device is connected by sample streams gauge with aspiration pump, and sampling membrane is arranged on filter membrane clamp device It is interior；Sampling connecting tube branch is connected with drying device, and drying device is followed successively by air blower, drier, filter, valve from bottom to top The structure that door, dry flow meter and drying tube are formed by connecting, the flow of air compressor control dry flow meter control more than aspiration pump The flow of sample streams gauge.
- 2. the online filter membrane drying device of a kind of gas particles thing sampler according to claim 1, it is characterised in that described to adopt Sample head is arranged to smoke dust sampling head, and smoke dust sampling head is arranged to air inlet, bend pipe and gas outlet, and air inlet and gas outlet are perpendicular Arrangement is set, and the bend pipe connection seamlessly transitted between air inlet and gas outlet using circular arc, bend pipe is arranged to inverted " j " shaped structure.
- 3. the online filter membrane drying device of a kind of gas particles thing sampler according to claim 1, it is characterised in that described to adopt Sample head is arranged to air particle sampling head, is followed successively by rainhat, impacting type cutter for particles and escape pipe from top to bottom and connects The structure connect, rainhat are arranged to double-deck dish-shaped rainhat.
- A kind of 4. online filter membrane drying device of gas particles thing sampler according to Claims 2 or 3, it is characterised in that institute The outer wall for stating gas outlet or escape pipe is provided with heating tube, and heating tube is twist coiled on the tube wall of gas outlet, section Between adjacent heating tube being coated in the insulating gasbag of I-shaped structure, filling insulation liquid in insulating gasbag.
- 5. the online filter membrane drying device of a kind of gas particles thing sampler according to claim 1, it is characterised in that described dry The end set of dry pipe is the bend pipe structure of inverted "L" shaped, and one end of drying tube connects with sampling connecting tube, the other end of drying tube Connected with dry flow meter.
- A kind of 6. online filter membrane drying device of gas particles thing sampler according to claim 1, it is characterised in that the mistake Filter is arranged to fiber high precision pneumatic filter, and the filter efficiency of the particulate matter more than 0.3 micron grain size is not less than 99.97%.
- 7. the online filter membrane drying device of a kind of gas particles thing sampler according to claim 1, it is characterised in that described dry Dry flowmeter and sample streams gauge uses orifice flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720612941.XU CN206756542U (en) | 2017-05-31 | 2017-05-31 | A kind of online filter membrane drying device of gas particles thing sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720612941.XU CN206756542U (en) | 2017-05-31 | 2017-05-31 | A kind of online filter membrane drying device of gas particles thing sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756542U true CN206756542U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720612941.XU Expired - Fee Related CN206756542U (en) | 2017-05-31 | 2017-05-31 | A kind of online filter membrane drying device of gas particles thing sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN206756542U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896354A (en) * | 2018-05-03 | 2018-11-27 | 合肥光博量子科技有限公司 | A kind of sampling apparatus for atmospheric particulate matter for traveling observation vehicle |
| CN108919380A (en) * | 2018-05-03 | 2018-11-30 | 合肥光博量子科技有限公司 | It is a kind of to observe accurately INTEGRATED SIGHT vehicle |
| CN109238795A (en) * | 2018-09-20 | 2019-01-18 | 重庆惠能标普科技有限公司 | A kind of sampling system and its application for the detection of workplace dust |
| CN109870395A (en) * | 2019-03-20 | 2019-06-11 | 河南省计量科学研究院 | Uncertainty analysis method based on the automatic weighing measurement particulate in air concentration of filter membrane |
| CN115406188A (en) * | 2022-08-16 | 2022-11-29 | 湖南省天骑医学新技术股份有限公司 | Rapid drying treatment method and system for filter membrane |
-
2017
- 2017-05-31 CN CN201720612941.XU patent/CN206756542U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896354A (en) * | 2018-05-03 | 2018-11-27 | 合肥光博量子科技有限公司 | A kind of sampling apparatus for atmospheric particulate matter for traveling observation vehicle |
| CN108919380A (en) * | 2018-05-03 | 2018-11-30 | 合肥光博量子科技有限公司 | It is a kind of to observe accurately INTEGRATED SIGHT vehicle |
| CN108919380B (en) * | 2018-05-03 | 2020-09-01 | 合肥中科光博量子科技有限公司 | Comprehensive observation vehicle capable of achieving accurate observation |
| CN109238795A (en) * | 2018-09-20 | 2019-01-18 | 重庆惠能标普科技有限公司 | A kind of sampling system and its application for the detection of workplace dust |
| CN109870395A (en) * | 2019-03-20 | 2019-06-11 | 河南省计量科学研究院 | Uncertainty analysis method based on the automatic weighing measurement particulate in air concentration of filter membrane |
| CN115406188A (en) * | 2022-08-16 | 2022-11-29 | 湖南省天骑医学新技术股份有限公司 | Rapid drying treatment method and system for filter membrane |
| CN115406188B (en) * | 2022-08-16 | 2023-12-15 | 湖南省天骑医学新技术股份有限公司 | Filter membrane rapid drying treatment method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: 266000, Shandong Road, Chengyang District, Shandong, Qingdao Province, Xian Road, No. 3 Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |