CN209525152U - The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas - Google Patents
The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas Download PDFInfo
- Publication number
- CN209525152U CN209525152U CN201920099590.6U CN201920099590U CN209525152U CN 209525152 U CN209525152 U CN 209525152U CN 201920099590 U CN201920099590 U CN 201920099590U CN 209525152 U CN209525152 U CN 209525152U
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- China
- Prior art keywords
- ground
- cover plate
- pedestal
- gas collecting
- collecting jar
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000005070 sampling Methods 0.000 title claims abstract description 27
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 24
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 15
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to gas detection sampling technique field, a kind of sampling apparatus of non-methane total hydrocarbons in exhaust gas, including pedestal and gas collecting jar with ground-on cover plate are specifically disclosed, is provided with piston in the gas collecting jar with ground-on cover plate, and the left end of the gas collecting jar with ground-on cover plate offers air inlet；Rotation is equipped with screw rod in the pedestal, and the end for being placed in the outer push-pull rod of the gas collecting jar with ground-on cover plate is connected with the first pillar being fixedly mounted in first rectangular shaped slider；It is fixedly installed the second pillar in second rectangular shaped slider, the sealing-plug for being sealed to air inlet is provided in the top exterior walls of the second pillar.The utility model moves synchronously by adjusting two rectangular shaped sliders in pedestal, can be realized while sample acquisition finishes and blocks to air inlet, avoids sample leakage, have the advantages that of simple structure and low cost, easy to use.
Description
Technical field
The utility model relates to a kind of sampling apparatuses of non-methane total hydrocarbons in exhaust gas, for acquiring surrounding air, pollution sources
Middle non-methane total hydrocarbons.
Background technique
Non-methane total hydrocarbons is the more typical analysis project of environmental monitoring field.
It is dedicated that a kind of non-methane total hydrocarbons analysis is disclosed in the Chinese patent that Authorization Notice No. is 206459867 U of CN
Sampler, including handle, piston rod, sampling cylinder, piston, the first sealing nut and the second sealing nut, the handle and work
The connection of stopper rod top, bottom end and the piston of piston rod are detachably connected；Piston matches with the sealing of sampling cylinder inner wall and merges and can adopt
Sliding in sample cylinder, the top of sampling cylinder are equipped with the external screw thread being adapted with the first sealing nut, and the first sealing nut is for sealing
The top of sampling cylinder；The bottom of sampling cylinder be equipped with gas inlet and outlet, gas inlet and outlet be equipped with the second sealing nut be adapted
External screw thread, the second sealing nut are imported and exported for sealing gas；Second sealing nut bottom is equipped with through-hole, and through-hole is equipped with and is used for
Seal the silica gel pad of through-hole.
But above-mentioned technical solution, in actual use there is also inconvenient, sampling efficiency is low, cannot achieve to institute
The fast sealing of sample thief is easy to pollute sample, influences the detection accuracy of late-run sample.
Utility model content
The purpose of this utility model is to provide a kind of sampling apparatuses of non-methane total hydrocarbons in exhaust gas, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas, including pedestal and gas collecting jar with ground-on cover plate, the gas collecting jar with ground-on cover plate are fixedly mounted on
On pedestal, piston is provided in the gas collecting jar with ground-on cover plate, and the left end of the gas collecting jar with ground-on cover plate offers air inlet；Rotation is set in the pedestal
There is screw rod, the second rectangular shaped slider that level sliding is set in pedestal left part inner cavity is connected through a screw thread mode and is mounted on screw rod
Left part outer ring, the first rectangular shaped slider that level sliding is set in pedestal right part inner cavity is connected through a screw thread mode and is mounted on
The right part outer ring of the screw rod；It is placed in the end of push-pull rod in the gas collecting jar with ground-on cover plate to be fixedly connected with the piston, is placed in the collection
The end of the outer push-pull rod of inflator is connected with the first pillar being fixedly mounted in first rectangular shaped slider；Second rectangle
It is fixedly installed the second pillar on sliding block, the sealing for being sealed to air inlet is provided in the top exterior walls of the second pillar
Plug.
As a further solution of the present invention: it is logical to offer the first bar shaped on the right part inner cavity top plate of the pedestal
Hole, first pillar are set to the first strip through-hole through sliding.
As a further solution of the present invention: it is logical to offer the second bar shaped on the left part inner cavity top plate of the pedestal
Hole, second pillar are set in the second bar through hole through sliding.
As a further solution of the present invention: the end for being placed in the pedestal out screw rod is fixedly installed with adjusting hand
Handle drives screw rod rotation by operation regulation handle, is capable of the position of synchronous adjustment the second rectangular shaped slider and the first rectangular shaped slider.
As a further solution of the present invention: the positive and negative rotation motor for double-ended drive being mounted in the pedestal is for driving
Two screw rod synchronous rotaries, so that second rectangular shaped slider and the first rectangular shaped slider be driven to synchronize movement.
As a further solution of the present invention: strut is fixedly installed at the top of the gas collecting jar with ground-on cover plate, it is fixed on strut
Guiding slide bar, and the through-hole that the guiding sliding bar is opened up through the second post top portion are installed.
As a further solution of the present invention: in order to avoid the guiding slide bar is out of, the second post top portion through-hole
It slips, the end of the guiding slide bar is also fixedly installed with limited block.
Compared with prior art, the utility model has the beneficial effects that
The utility model moves synchronously by adjusting two rectangular shaped sliders in pedestal, can be realized what sample acquisition finished
Air inlet is blocked simultaneously, avoids sample leakage；Conversely, adjusting and making when needing for the sample in gas collecting jar with ground-on cover plate to be discharged
The movement of two rectangular shaped slider reverse syncs, can push the piston in gas collecting jar with ground-on cover plate to move downward, and sealing-plug at this time be detached from into
Port has the advantages that of simple structure and low cost, easy to use to realize the discharge of sample；The sampling of the utility model
When device is used to acquire the non-methane total hydrocarbons in surrounding air or pollution sources, air-tightness is good, is able to extend the sample holding time, from
And the accuracy of non-methane total hydrocarbons analysis is improved, it reduces experimenter and analyzes difficulty.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type.
Fig. 1 is the structural schematic diagram of the sampling apparatus embodiment 1 of non-methane total hydrocarbons in exhaust gas.
Fig. 2 is the structural schematic diagram of the sampling apparatus embodiment 2 of non-methane total hydrocarbons in exhaust gas.
In figure: 1- pedestal, 2- gas collecting jar with ground-on cover plate, 3- piston, 4- push-pull rod, the first pillar of 5-, 6- air inlet, the second pillar of 7-,
The second rectangular shaped slider of 8-, 9- screw rod, 10- second bar through hole, the first rectangular shaped slider of 11-, the first strip through-hole of 12-, 13- sealing
Plug, 14- regulation handle, 15- positive and negative rotation motor for double-ended drive, 16- strut, 17- are oriented to slide bar, 18- limited block.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
In the description of the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
Embodiment 1
Referring to Fig. 1, in the utility model embodiment, the sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas, including pedestal 1
With gas collecting jar with ground-on cover plate 2, the gas collecting jar with ground-on cover plate 2 is fixedly mounted on pedestal 1, and piston 3, and the gas collecting jar with ground-on cover plate 2 are provided in the gas collecting jar with ground-on cover plate 2
Left end offer air inlet 6；Rotation is equipped with screw rod 9 in the pedestal 1, and level sliding is set in the 1 left part inner cavity of pedestal
The second rectangular shaped slider 8 be connected through a screw thread the left part outer ring that mode is mounted on screw rod 9, it is right that level sliding is set to the pedestal 1
The first rectangular shaped slider 11 in portion inner cavity is connected through a screw thread the right part outer ring that mode is mounted on the screw rod 9；
Further, the end for being placed in 1 out screw rod 9 of pedestal is fixedly installed with regulation handle 14, is adjusted by operation
Handle 14 drives screw rod 9 to rotate, and is capable of the position of synchronous adjustment the second rectangular shaped slider 8 and the first rectangular shaped slider 11.
To realize the acquisition to non-methane total hydrocarbons in exhaust gas, it is placed in the end of push-pull rod 4 and the work in the gas collecting jar with ground-on cover plate 2
Plug 3 is fixedly connected, and is placed in the end of the outer push-pull rod 4 of the gas collecting jar with ground-on cover plate 2 and is fixedly mounted in first rectangular shaped slider 11
First pillar 5 is connected, when operation regulation handle 14 drives screw rod 9 to rotate, when moving the first rectangular shaped slider 11, in push-pull rod
Under 4 transmission effect, piston 3 can be pushed to move in gas collecting jar with ground-on cover plate 2, when piston 3 moves right in gas collecting jar with ground-on cover plate 2, exhaust gas
Middle non-methane total hydrocarbons is entered in gas collecting jar with ground-on cover plate 2 by air inlet 6, completes sampling, conversely, when piston 3 moves downward in gas collecting jar with ground-on cover plate 2
When, sample collected can be discharged.
Further, the first strip through-hole 12, first pillar 5 are offered on the right part inner cavity top plate of the pedestal 1
The first strip through-hole 12 is set to through sliding.
In the utility model embodiment, the second pillar 7 is fixedly installed in second rectangular shaped slider 8, the second pillar 7
The sealing-plug 13 for being sealed to air inlet 6 is provided in top exterior walls, when the piston 3 in gas collecting jar with ground-on cover plate 2 moves right,
The sealing-plug 13 that the second rectangular shaped slider 8 moved synchronously at this time is able to drive on the second pillar 7 block to air inlet 6 close
Envelope blocks air inlet 6 while sample acquisition finishes to realize, avoids sample leakage；Conversely, when needing gas collection
When sample in cylinder 2 is discharged, reversely rotating screw rod 9 can push the piston 3 in gas collecting jar with ground-on cover plate 2 to move downward, and sealing at this time
Plug 13 is detached from the air inlet 6, to realize the discharge of sample.
Further, second bar through hole 10, second pillar 7 are offered on the left part inner cavity top plate of the pedestal 1
It is set in the second bar through hole 10 through sliding.
Embodiment 2
Referring to Fig. 2, in the utility model embodiment, the sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas, with embodiment 1
Unlike, the positive and negative rotation motor for double-ended drive 15 in the pedestal 1 is mounted on for driving two 9 synchronous rotaries of screw rod, thus
Second rectangular shaped slider 8 and the first rectangular shaped slider 11 is driven to synchronize movement；
Further, in the utility model embodiment, the top of the gas collecting jar with ground-on cover plate 2 is fixedly installed with strut 16, strut 16
On be fixedly installed with guiding slide bar 17, and guiding slide bar 17 sliding is through the through-hole opened up at the top of the second pillar 7；In order to
The guiding slide bar 17 is avoided to slip out of 7 top of the second pillar through-hole, the end of the guiding slide bar 17 is also fixedly mounted
There is limited block 18.
Sampling apparatus in the utility model embodiment can by the setting of the strut 16 and guiding slide bar 17 of setting
It is further ensured that the sealing-plug 13 accurately smoothly carries out closure sealing to the air inlet 6.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. the sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas, including pedestal (1) and gas collecting jar with ground-on cover plate (2), the gas collecting jar with ground-on cover plate (2) is fixed
It is mounted on pedestal (1), is provided with piston (3) in the gas collecting jar with ground-on cover plate (2), and the left end of the gas collecting jar with ground-on cover plate (2) offers air inlet
Mouth (6)；It is characterized in that, rotation is equipped with screw rod (9) in the pedestal (1), level sliding is set to the pedestal (1) left part inner cavity
In the second rectangular shaped slider (8) mode of being connected through a screw thread be mounted on the left part outer ring of screw rod (9), level sliding is set to the bottom
The first rectangular shaped slider (11) mode of being connected through a screw thread in seat (1) right part inner cavity is mounted on the right part outer ring of the screw rod (9)；
The end for being placed in the gas collecting jar with ground-on cover plate (2) interior push-pull rod (4) is fixedly connected with the piston (3), is placed in the gas collecting jar with ground-on cover plate (2)
The end of outer push-pull rod (4) is connected with the first pillar (5) being fixedly mounted on first rectangular shaped slider (11)；Described
It is fixedly installed in two rectangular shaped sliders (8) the second pillar (7), is provided in the top exterior walls of the second pillar (7) for air inlet
The sealing-plug (13) that mouth (6) is sealed.
2. the sampling apparatus of non-methane total hydrocarbons in exhaust gas according to claim 1, which is characterized in that the pedestal (1)
It is offered on the top plate of right part inner cavity the first strip through-hole (12), first pillar (5) is set to the first strip through-hole through sliding
(12)。
3. the sampling apparatus of non-methane total hydrocarbons in exhaust gas according to claim 2, which is characterized in that the pedestal (1)
It is offered on the top plate of left part inner cavity second bar through hole (10), second pillar (7) is set to second bar shaped through sliding
In through-hole (10).
4. according to claim 1~3 in any exhaust gas non-methane total hydrocarbons sampling apparatus, which is characterized in that be placed in institute
The end for stating pedestal (1) out screw rod (9) is fixedly installed with regulation handle (14).
5. according to claim 1~3 in any exhaust gas non-methane total hydrocarbons sampling apparatus, which is characterized in that be mounted on
Positive and negative rotation motor for double-ended drive (15) in the pedestal (1) is for driving two screw rod (9) synchronous rotaries.
6. the sampling apparatus of non-methane total hydrocarbons in exhaust gas according to claim 5, which is characterized in that the gas collecting jar with ground-on cover plate (2)
Top be fixedly installed with strut (16), guiding slide bar (17), and the guiding slide bar (17) are fixedly installed on strut (16)
Slide the through-hole opened up through the second pillar (7) top.
7. the sampling apparatus of non-methane total hydrocarbons in exhaust gas according to claim 6, which is characterized in that the guiding slide bar
(17) end is also fixedly installed with limited block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099590.6U CN209525152U (en) | 2019-01-15 | 2019-01-15 | The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920099590.6U CN209525152U (en) | 2019-01-15 | 2019-01-15 | The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525152U true CN209525152U (en) | 2019-10-22 |
Family
ID=68229783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920099590.6U Expired - Fee Related CN209525152U (en) | 2019-01-15 | 2019-01-15 | The sampling apparatus of non-methane total hydrocarbons in a kind of exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967146A (en) * | 2019-12-24 | 2020-04-07 | 王毛元 | Special inflator for pipeline leakage diffusion experiment |
| CN113790934A (en) * | 2021-08-31 | 2021-12-14 | 上海市计量测试技术研究院 | Sampling device for non-methane total hydrocarbon in fixed pollution source |
| CN114112515A (en) * | 2021-11-10 | 2022-03-01 | 华北水利水电大学 | A sampling device for groundwater water quality monitoring |
-
2019
- 2019-01-15 CN CN201920099590.6U patent/CN209525152U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967146A (en) * | 2019-12-24 | 2020-04-07 | 王毛元 | Special inflator for pipeline leakage diffusion experiment |
| CN113790934A (en) * | 2021-08-31 | 2021-12-14 | 上海市计量测试技术研究院 | Sampling device for non-methane total hydrocarbon in fixed pollution source |
| CN113790934B (en) * | 2021-08-31 | 2023-10-10 | 上海市计量测试技术研究院 | Sampling device for non-methane total hydrocarbon in fixed pollution source |
| CN114112515A (en) * | 2021-11-10 | 2022-03-01 | 华北水利水电大学 | A sampling device for groundwater water quality monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |