CN211652266U - Chimney waste gas sampling rifle - Google Patents
Chimney waste gas sampling rifle Download PDFInfo
- Publication number
- CN211652266U CN211652266U CN202020273176.5U CN202020273176U CN211652266U CN 211652266 U CN211652266 U CN 211652266U CN 202020273176 U CN202020273176 U CN 202020273176U CN 211652266 U CN211652266 U CN 211652266U
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- Prior art keywords
- sampling
- gun
- barrel
- recess
- bag
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- Expired - Fee Related
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- 238000005070 sampling Methods 0.000 title claims abstract description 117
- 239000002912 waste gas Substances 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 15
- 239000000779 smoke Substances 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to an environment detection technology field discloses a chimney waste gas sampling rifle, it includes the rifle body, the rifle body includes the stock, barrel and rifle mouth, the one end that the barrel is close to the stock is equipped with annular mouth, annular mouth is connected with sampling device, sampling device is including sampling bag and screw thread piece, screw thread piece middle part is equipped with the through-hole, the annular mouth is equipped with the dovetail groove, the dovetail groove includes recess one and recess two, two bores of recess are greater than recess one bore, recess one and screw thread piece threaded connection, recess two are connected with sealed the pad, smoke and dust gas gets into from rifle mouth, get into in the sampling bag from the through-hole of screw thread piece, screw thread piece and a recess threaded connection of annular mouth, make the sampling bag be connected with the barrel comparatively firm difficult coming off, recess two are connected with sealed the pad, make the sampling bag be difficult for sneaking into impurity gas.
Description
Technical Field
The utility model belongs to the technical field of the environment measuring technique and specifically relates to a chimney waste gas sampling rifle is related to.
Background
At present, in the technical field of environment detection, a chimney waste gas sampling gun is usually inserted from an opening of the side wall of a chimney in the chimney waste gas detection process of environment detection engineering, so that a gun nozzle at the end part of the chimney waste gas sampling gun extends into the chimney for sampling. In the sampling process of the existing chimney waste gas sampling gun, a gun nozzle at the end part of the existing chimney waste gas sampling gun extends into a chimney, and the gun handle end of the existing chimney waste gas sampling gun needs to be held or shouldered by a sampling person to finish the sampling work of the chimney waste gas. When sampling is performed on a chimney with a small caliber and a rigid outer wall, an opening on the side wall of the chimney is inconvenient, and the sampling is generally performed at an outlet on the top of the chimney.
Chinese patent with publication number CN206450482U discloses a chimney waste gas sampling gun, relates to the field of environmental monitoring equipment, and the air pump of this chimney waste gas sampling gun is connected with the back barrel of cylinder, and the back barrel is connected with the preceding barrel of cylinder through the bellows, and the back barrel is connected with the sample bag. The corrugated pipe can be bent at will, so that the front gun pipe and the rear gun pipe form any angle, and a user can conveniently stand on the ground to insert the front gun pipe into a high chimney to sample waste gas. The user starts the air pump and bleeds the back, alright with the waste gas in the chimney from the preceding barrel, bellows, back barrel suction sample bag, use very simple and convenient. Different sizes can be changed to preceding barrel, satisfies the requirement of different sample connection, and the outside of preceding barrel is elasticity rubber, and is inseparabler with the contact of sample connection, guarantees the gas tightness of sampling process.
The above prior art solutions have the following drawbacks: above-mentioned chimney waste gas sampling gun is in the use, and the sample bag probably exists not hard up or drop from the sampling pipe, sneaks into impurity gas in the sample bag easily for the sampling effect is not good, influences the accuracy of testing result.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a chimney waste gas sampling rifle, it has the better advantage of sampling effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a chimney waste gas sampling rifle, includes the rifle body, the rifle body includes stock, barrel and rifle mouth, and the both ends of barrel are connected with stock and rifle mouth respectively, the one end that the barrel is close to the stock is equipped with the annular mouth, the annular mouth is connected with sampling device, sampling device is including sampling bag and screw thread piece, screw thread piece and sampling bag up end fixed connection, screw thread piece middle part is equipped with the through-hole, the annular mouth is equipped with the dovetail groove, the dovetail groove includes recess one and recess two, two bores of recess are greater than a recess bore, recess one with screw thread piece threaded connection, recess two are connected with sealed the pad.
Through adopting above-mentioned technical scheme, the gaseous entering of rifle mouth of follow of smoke and dust, in the through-hole entering sampling bag of follow screw thread piece, screw thread piece and a recess threaded connection of annular mouth for sampling bag is connected comparatively firmly with the barrel and is difficult for droing, and recess two is connected with sealed the pad, makes sampling bag be difficult for sneaking into impurity gas, and the sampling effect is better.
The present invention may be further configured in a preferred embodiment as: the gun barrel is close to the both sides of sampling bag and is equipped with the slide rail, slide rail sliding connection has the bracket of L shape.
Through adopting above-mentioned technical scheme, through setting up the bracket, be convenient for improve the stability of sampling bag, the slide rail sliding connection of bracket and barrel is convenient for operating personnel and removes the bracket when the sampling bag is installed and dismantled.
The present invention may be further configured in a preferred embodiment as: the lower terminal surface of sampling bag is connected with the bayonet socket with bracket matched with, bracket and bayonet socket joint.
Through adopting above-mentioned technical scheme, the bayonet socket joint of bracket and sampling bag lower extreme further improves the stability of being connected of sampling bag and barrel.
The present invention may be further configured in a preferred embodiment as: an air pump is arranged between the gun handle and the sampling device.
Through adopting above-mentioned technical scheme, through setting up the air pump, be convenient for with the gaseous suction of smoke and dust in the sampling bag.
The present invention may be further configured in a preferred embodiment as: the outer wall of the sampling bag is connected with an exhaust pipe, and one end of the exhaust pipe, which is far away from the sampling bag, is hinged with a round plug.
Through adopting above-mentioned technical scheme, through setting up the blast pipe, be convenient for detect the exhaust emission in the sampling bag, the round plug prevents that the sampling bag from leaking gas, improves and detects the precision.
The present invention may be further configured in a preferred embodiment as: and a heating pipe is arranged in the gun barrel and is close to the annular opening.
Through adopting above-mentioned technical scheme, through setting up the heating pipe for the temperature of the smoke and dust waste gas of gathering around the sampling keeps invariable, satisfies the sampling temperature demand, is favorable to improving and detects the precision.
The present invention may be further configured in a preferred embodiment as: and a filter pipe is arranged in one end of the gun barrel close to the gun nozzle.
Through adopting above-mentioned technical scheme, through setting up the filter tube, be convenient for filter the large granule impurity in the sampling smoke and dust gas.
The present invention may be further configured in a preferred embodiment as: the middle part of the gun barrel is connected with a triangular support.
By adopting the technical scheme, the triangular support is arranged, so that the stability of the chimney waste gas sampling gun in sampling is improved, and the labor intensity of operators is reduced.
To sum up, the utility model discloses a following at least one useful technological effect:
1. smoke gas enters from the gun nozzle and enters into the sampling bag from the through hole of the thread block, the thread block is in threaded connection with the groove I of the annular opening, so that the sampling bag is connected with the gun barrel stably and is not easy to fall off, the groove II is connected with the sealing gasket, so that impurity gas is not easy to mix into the sampling bag, and the sampling effect is good;
2. the bracket is arranged, so that the stability of the sampling bag is improved conveniently, and the bracket is connected with the slide rail of the gun barrel in a sliding manner, so that an operator can move the bracket when mounting and dismounting the sampling bag conveniently;
3. set up the blast pipe, be convenient for detect the exhaust emission in the sampling bag, the round plug prevents that the sampling bag from leaking gas, improves and detects the precision.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
Fig. 2 is a schematic cross-sectional view of a barrel and sampling device.
Fig. 3 is a schematic view of the connection of the gun barrel to the filter tube.
In the figure, 1, a gun body; 2. a gun handle; 3. a barrel; 4. a gun nozzle; 5. an annular mouth; 6. a sampling device; 7. a sampling bag; 8. a thread block; 9. a through hole; 10. a trapezoidal groove; 11. a first groove; 12. a second groove; 13. a gasket; 15. a bracket; 16. a bayonet; 17. an air pump; 18. an exhaust pipe; 19. a round plug; 20. heating a tube; 21. a filter tube; 22. a triangular support.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a chimney waste gas sampling rifle, including the rifle body 1, the rifle body 1 includes stock 2, barrel 3 and rifle mouth 4, and the both ends of barrel 3 are connected with stock 2 and rifle mouth 4 respectively, and the one end that barrel 3 is close to stock 2 is equipped with annular mouth 5, and annular mouth 5 is connected with sampling device 6, is equipped with air pump 17 between stock 2 and the sampling device 6, and air pump 17 works for smoke and dust waste gas gets into the sampling rifle, is convenient for in the gaseous suction sampling bag 7 of smoke and dust.
Referring to fig. 1 and 2, the sampling device 6 includes a sampling bag 7 and a thread block 8, the thread block 8 is fixedly connected with the upper end face of the sampling bag 7, a through hole 9 is formed in the middle of the thread block 8, the annular port 5 is provided with a trapezoidal groove 10, the trapezoidal groove 10 includes a first groove 11 and a second groove 12, the caliber of the second groove 12 is larger than that of the first groove 11, the first groove 11 is in threaded connection with the thread block 8, and the second groove 12 is connected with a sealing gasket 13. when a chimney waste gas sampling gun is used for collecting waste gas, smoke gas enters from the gun nozzle 4 and flows into the gun barrel 3, enters the sampling bag 7 from the through hole 9 of the thread block 8, the thread block 8 is in threaded connection with the first groove 11 of the annular port 5, so that the sampling bag 7 is connected with the gun barrel 3 relatively firmly and is not easy to fall off, the second groove 12 is connected with.
Referring to fig. 1 and 2, the gun barrel 3 is equipped with the slide rail near the both sides of sampling bag 7, and slide rail sliding connection has the bracket 15 of L shape, through setting up bracket 15, is convenient for improve the stability of sampling bag 7, and bracket 15 and gun barrel 3's slide rail sliding connection are convenient for operating personnel at the installation with dismantle sampling bag 7 time removal bracket. The lower end face of the sampling bag 7 is connected with a bayonet 16 matched with the bracket 15, the bracket 15 is clamped with the bayonet 16 at the lower end of the sampling bag 7, and the connection stability of the sampling bag 7 and the gun barrel 3 is further improved.
Referring to fig. 1 and 2, sampling bag 7 outer wall connection has blast pipe 18, through setting up blast pipe 18, is convenient for detect the exhaust emission in the sampling bag 7, and the one end that sampling bag 7 was kept away from to blast pipe 18 articulates there is round stopper 19, and round stopper 19 prevents that sampling bag 7 from leaking gas, improves and detects the precision. When using the sampling rifle to sample, operating personnel need hand the sampling rifle and stand and sample, and barrel 3 middle part is connected with A-frame 22, is convenient for improve the stability of chimney waste gas sampling rifle when the sampling, reduces operating personnel's intensity of labour.
Referring to fig. 3, the inside heating pipe 20 that is close to annular mouth 5 department of barrel 3 sets up heating pipe 20 for the temperature of the smoke and dust waste gas of collection around the sampling keeps invariable, satisfies the sampling temperature demand, is favorable to improving and detects the precision. The barrel 3 is close to the inside filter tube 21 that is equipped with of one end of rifle mouth 4, is convenient for filter the large granule impurity in the sampling smoke and dust gas.
The implementation principle of the embodiment is as follows: when using chimney waste gas sampling rifle to gather waste gas, air pump 17 work for smoke and dust waste gas gets into the sampling rifle, the smoke and dust gas gets into from rifle mouth 4, flow to in the barrel 3, get into sampling bag 7 from the through-hole 9 of screw thread piece 8, screw thread piece 8 and 11 threaded connection of recess of annular mouth 5, make sampling bag 7 be connected comparatively firm with barrel 3 and be difficult for droing, recess two 12 are connected with sealed the pad 13, make sampling bag 7 be difficult for sneaking into impurity gas, the sampling effect is better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a chimney waste gas sampling rifle, includes rifle body (1), its characterized in that: the gun body (1) comprises a gun handle (2), a gun barrel (3) and a gun nozzle (4), two ends of the gun barrel (3) are respectively connected with the gun handle (2) and the gun nozzle (4), an annular opening (5) is arranged at one end of the gun barrel (3) close to the gun handle (2), the annular opening (5) is connected with a sampling device (6), the sampling device (6) comprises a sampling bag (7) and a thread block (8), the thread block (8) is fixedly connected with the upper end surface of the sampling bag (7), a through hole (9) is arranged in the middle of the thread block (8), the annular opening (5) is provided with a trapezoidal groove (10), the trapezoidal groove (10) comprises a first groove (11) and a second groove (12), the caliber of the second groove (12) is larger than that of the first groove (11), the first groove (11) is in threaded connection with the thread block (8), and the second groove (12) is connected with a sealing gasket (13).
2. The chimney exhaust sampling gun according to claim 1, wherein: the gun barrel (3) is close to the two sides of the sampling bag (7) and is provided with a sliding rail, and the sliding rail is connected with an L-shaped bracket (15) in a sliding manner.
3. The chimney exhaust sampling gun according to claim 2, wherein: the lower end face of the sampling bag (7) is connected with a bayonet (16) matched with the bracket (15), and the bracket (15) is connected with the bayonet (16).
4. The chimney exhaust sampling gun according to claim 1, wherein: an air pump (17) is arranged between the gun handle (2) and the sampling device (6).
5. The chimney exhaust sampling gun according to claim 1, wherein: the outer wall of the sampling bag (7) is connected with an exhaust pipe (18), and one end, far away from the sampling bag (7), of the exhaust pipe (18) is hinged with a round plug (19).
6. The chimney exhaust sampling gun according to claim 1, wherein: a heating pipe (20) is arranged in the gun barrel (3) and close to the annular opening (5).
7. The chimney exhaust sampling gun according to claim 1, wherein: and a filter pipe (21) is arranged in one end of the gun barrel (3) close to the gun nozzle (4).
8. The chimney exhaust sampling gun according to claim 1, wherein: the middle part of the gun barrel (3) is connected with a triangular support (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273176.5U CN211652266U (en) | 2020-03-07 | 2020-03-07 | Chimney waste gas sampling rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273176.5U CN211652266U (en) | 2020-03-07 | 2020-03-07 | Chimney waste gas sampling rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211652266U true CN211652266U (en) | 2020-10-09 |
Family
ID=72687398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020273176.5U Expired - Fee Related CN211652266U (en) | 2020-03-07 | 2020-03-07 | Chimney waste gas sampling rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211652266U (en) |
-
2020
- 2020-03-07 CN CN202020273176.5U patent/CN211652266U/en not_active Expired - Fee Related
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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: 20201009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |