CN211205921U - Flue gas sampling tube and flue gas sampler - Google Patents

Flue gas sampling tube and flue gas sampler Download PDF

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Publication number
CN211205921U
CN211205921U CN201922168836.3U CN201922168836U CN211205921U CN 211205921 U CN211205921 U CN 211205921U CN 201922168836 U CN201922168836 U CN 201922168836U CN 211205921 U CN211205921 U CN 211205921U
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China
Prior art keywords
tube
sampling
assembly
flue gas
sampling tube
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CN201922168836.3U
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王飞
杨涛
邓春磊
栾丽丽
韩同旭
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Qingdao Laoying Haina Photoelectric Environmental Protection Group Co ltd
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Qingdao Laoying Haina Photoelectric Environmental Protection Group Co ltd
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Abstract

The utility model discloses a flue gas sampling tube and flue gas sampler, the flue gas sampling tube includes: the device comprises a sampling pipe assembly, a mounting pipe and a locking assembly; the mounting tube is connected with the handle and sleeved on the sampling tube assembly, and the sampling tube assembly can slide relative to the mounting tube; the locking assembly includes: the first locking piece is sleeved on the sampling tube assembly and connected with the mounting tube; the second locking part is sleeved on the sampling pipe assembly and is abutted against the first locking part, and a first conical surface is arranged outside the second locking part; the third retaining member, the third retaining member cover is on the sample tube subassembly, and the inside second conical surface that is provided with of third retaining member, second conical surface contact with first conical surface, and the third retaining member can be dismantled with first retaining member and be connected. The utility model provides a flue gas sampling tube can adjust flue gas sampling tube length, realizes the flexible of flue gas sampling tube, can be applicable to longer flue, delivery pipe etc. improves measuring accuracy, conveniently carries and saves simultaneously, and the practicality is high.

Description

Flue gas sampling tube and flue gas sampler
Technical Field
The utility model relates to a flue gas analysis instrument technical field, in particular to flue gas sampling tube and flue gas sampler.
Background
In order to analyze the condition of various harmful gases discharged from flues, exhaust pipes and the like of industrial and mining enterprises, a flue gas sampler is generally adopted to sample the discharged gases.
Currently, existing smoke samplers include a handle and a smoke sampling tube. When sampling, hold the handle, stretch into flue, blast pipe etc. with the flue gas sampling tube, through flue gas sampling tube sample flue gas, according to the flue gas analysis harmful gas's of sample the condition in the flue gas.
However, most of the sampling tubes in the existing flue gas sampler are welded and formed, the sampling tubes are fixed in length, and when the lengths of the flue, the exhaust pipe and the like are larger than the length of the sampling tubes, the sampling tubes can only sample the flue gas in the local parts of the flue, the exhaust pipe and the like, so that the measurement result is influenced. In order to meet the actual requirement, the length of the sampling tube is usually lengthened, but the overlong sampling tube causes inconvenience in carrying and storage, and the practicability is not high.
Disclosure of Invention
For solving the fixed technical problem of flue gas sampling tube length among the prior art, the utility model provides a flue gas sampling tube according to the operating condition demand, can adjust the length of flue gas sampling tube, realizes the flexible of flue gas sampling tube, can be applicable to longer flue, delivery pipe etc. improves measuring accuracy, conveniently carries and saves simultaneously, and the practicality is high.
The utility model provides a flue gas sampling tube, include:
a sampling tube assembly;
the mounting tube is connected with the handle, the mounting tube is sleeved on the sampling tube assembly, and the sampling tube assembly can slide relative to the mounting tube;
a locking assembly, the locking assembly comprising:
the first locking piece is sleeved on the sampling tube assembly and connected with the mounting tube;
the second locking part is sleeved on the sampling tube assembly and is abutted against the first locking part, and a first conical surface is arranged outside the second locking part;
the third retaining member, the third retaining member overlap in on the sample tube subassembly, the inside second conical surface that is provided with of third retaining member, the second conical surface with first conical surface contacts, the third retaining member with the connection can be dismantled to first retaining member.
Further, the device also comprises a sealing component;
a groove is formed in the first locking piece, the sealing assembly is located in the groove, and the sealing assembly is sleeved on the sampling tube assembly.
Further, the seal assembly includes:
the sealing ring is positioned in the groove, the sampling tube assembly is sleeved with the sealing ring, and the sealing ring is in contact with the second locking piece;
the sealing column is located in the groove and sleeved on the sampling tube assembly, and the sealing column is in contact with the sealing ring.
Further, the coupon assembly comprises:
the sampling inner tube is connected with the handle;
the sampling outer tube is sleeved on the sampling inner tube and can slide relative to the sampling inner tube;
the protection tube, first retaining member overlap in on the protection tube, the second retaining member overlap in on the protection tube, the third retaining member overlap in on the protection tube, the installation tube sleeve in on the protection tube, the protection tube cup joint in on the sample outer tube, the protection tube for installation tube slidable.
Further, the sampling inner pipe, the sampling outer pipe and the protection pipe are all made of polytetrafluoroethylene materials.
Further, the sampling tube holder is also included;
the sampling tube seat is connected with the sampling tube assembly.
Further, be provided with the inlet end on the sample tube seat, the inlet end with the sampling tube subassembly is linked together, the inlet end is provided with filtering component.
The utility model also provides a flue gas sampler, include as above the flue gas sampling tube.
The utility model discloses a technological effect or advantage:
the utility model provides a flue gas sampling tube, which is provided with a locking component, the locking component comprises a first locking component, a second locking component and a third locking component, the first locking component is connected with an installation tube and sleeved on the sampling tube component, the second locking component is sleeved on the sampling tube component and abutted against the first locking component, the third locking component is detachably connected with the first locking component and sleeved on the sampling tube component, the inner conical surface of the third locking component is contacted with the outer conical surface of the second locking component, in the using process, when the length of the sampling tube does not meet the actual requirement, the first locking component is detached from the installation tube, so that the sampling tube component slides relative to the installation tube, when the length of the sampling tube meets the actual requirement, the first locking component and the third locking component are locked, and in the locking process, the inner conical surface of the third locking component generates thrust to the outer conical surface of the second locking component, the thrust force is decomposed into radial force and axial force applied to the sampling tube assembly, and the sampling tube assembly is fixedly locked. The utility model provides a length of flue gas sampling tube can be adjusted to the flue gas sampling tube, realizes the flexible of flue gas sampling tube, can be applicable to longer flue, delivery pipe etc. improves measuring accuracy, conveniently carries and saves simultaneously, and the practicality is high, has solved the fixed problem of flue gas sampling tube length among the prior art.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
Fig. 1 is a schematic structural view of a flue gas sampling tube provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic view of the first securing member of fig. 2.
Description of the drawings: 1. a handle; 2. a sampling tube assembly; 201. sampling an inner tube; 202. sampling an outer tube; 203. protecting the tube; 3. installing a pipe; 4. a locking assembly; 401. a first locking member; 402. a second locking member; 403. a third locking member; 404. a groove; 5. a seal assembly; 501, sealing rings; 502 sealing the column; 6. a sampling tube seat; 7. a filter assembly.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and the detailed description. Although embodiments of the present invention have been disclosed in the accompanying drawings, it should be understood that the invention can be embodied in any form and should not be limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," "third," and the like, herein are used to describe various elements, components, regions, layers and/or sections, but only to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Terms such as "first," "second," "third," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For solving the fixed technical problem of flue gas sampling tube length among the prior art, this embodiment provides a flue gas sampling tube, according to the operating condition demand, can adjust the length of flue gas sampling tube, realizes the flexible of flue gas sampling tube, can be applicable to longer flue, delivery pipe etc. improves the measuring result, conveniently carries and the storage simultaneously, and the practicality is high.
The technical solution of the present invention will be described in detail below with reference to the following specific embodiments and accompanying drawings.
The embodiment relates to a flue gas sampling tube, includes:
a sampling tube assembly 2;
the mounting tube 3 is connected with the handle 1, the mounting tube 3 is sleeved on the sampling tube assembly 2, and the sampling tube assembly 2 can slide relative to the mounting tube 3;
locking subassembly 4, locking subassembly 4 includes:
a first locking member 401, wherein the first locking member 401 is sleeved on the sampling tube assembly 2, and the first locking member 401 is connected with the installation tube 3;
the second locking member 402, the second locking member 402 is sleeved on the sampling tube assembly 2, the second locking member 402 is abutted against the first locking member 401, and the exterior of the second locking member 401 is provided with a first tapered surface;
and a third locking member 403, the third locking member 403 is sleeved on the sampling tube assembly 2, a second tapered surface is arranged inside the third locking member 403, the second tapered surface is contacted with the first tapered surface, and the third locking member 403 is detachably connected with the first locking member 401.
The flue gas sampling tube provided by the embodiment is provided with a locking assembly 4, the locking assembly comprises a first locking member 401, a second locking member 402 and a third locking member 403, the first locking member 401 is connected with the mounting tube 3 and sleeved on the sampling tube assembly 2, the second locking member 402 is sleeved on the sampling tube assembly 2 and abutted against the first locking member 401, the third locking member 403 is detachably connected with the first locking member 401 and sleeved on the sampling tube assembly 2, the inner conical surface of the third locking member is contacted with the outer conical surface of the second locking member 402, in the using process, when the length of the sampling tube does not meet the actual requirement, the first locking member is detached from the mounting tube, so that the sampling tube assembly slides relative to the mounting tube, when the length of the sampling tube meets the actual requirement, the first locking member and the third locking member are locked, and in the locking process, the inner conical surface of the third locking member generates thrust force to the outer conical surface of the second locking member, the thrust force is decomposed into radial force and axial force applied to the sampling tube assembly, and the sampling tube assembly is fixedly locked. The length of flue gas sampling tube can be adjusted to the flue gas sampling tube that this embodiment provided, realizes the flexible of flue gas sampling tube, can be applicable to longer flue, delivery pipe etc. improves measuring accuracy, conveniently carries and saves simultaneously, and the practicality is high, has solved the fixed problem of flue gas sampling tube length among the prior art.
Specifically, referring to fig. 1, the flue gas sampling tube provided in this embodiment includes a handle 1, a sampling tube assembly 2, a mounting tube 3, a locking assembly 4, a sealing assembly 5, a sampling tube seat 6, and a filter assembly 7; the handle 1 is connected with the sampling tube assembly 2 and the mounting tube 3, the sampling tube assembly 2 is connected with the sampling tube seat 6, the sampling tube seat 6 is connected with the filtering assembly 7, and the mounting tube 3 is sleeved on the sampling tube assembly 2 and is connected with the locking assembly 4; locking Assembly 4 overlaps on sample tube subassembly 2, and locking Assembly 4 is inside to be provided with seal assembly 5, and seal assembly 5 overlaps on sample tube subassembly 1.
The sampling tube component 2 samples the flue gas of a flue, an exhaust pipe and the like. Referring to fig. 2, in particular, the sampling tube assembly 2 is slidable relative to the mounting tube 3, and more particularly, the sampling tube assembly 2 includes: a sampling inner pipe 201, a sampling outer pipe 202 and a protection pipe 203; in the sampling process, flue gas in a flue, an exhaust pipe and the like can be adsorbed on a flue gas sampling pipe to damage the flue gas sampling pipe, meanwhile, the concentration of harmful gas in flue gas components is reduced, and the arrangement of the protection pipe 203 is favorable for protecting the sampling outer pipe 202 and reducing the loss caused by flue gas adsorption; the sampling inner tube 201 is connected with the handle 1, the sampling outer tube 202 is sleeved on the sampling inner tube 201, and the sampling outer tube 202 can slide relative to the sampling inner tube 201; the protection tube 203 is slidable relative to the mounting tube 3, and the protection tube 203 is sleeved on the sampling outer tube 202, so that the sampling outer tube 202 and the protection tube 203 are not easy to move in the sampling process. The sampling inner tube 201, the sampling outer tube 202 and the protection tube 203 are all hollow cylinders, so that the sampling inner tube 201, the sampling outer tube 202 and the protection tube 203 are convenient to install and sample the smoke to be measured. The sampling outer tube 202 and the protection tube 203 are connected with the sampling tube seat 5, and the sampling outer tube 202 and the protection tube 203 are further fixed; the sampling inner pipe 201, the sampling outer pipe 202 and the protection pipe 203 are all made of polytetrafluoroethylene materials, so that the loss of the sampling inner pipe 201, the sampling outer pipe 202 and the protection pipe 203 caused by the absorption of sampling smoke is prevented, and the accuracy of a measuring result is improved.
With continued reference to fig. 2, the mounting tube 3 is fitted over the protective tube 203 and connected to the locking assembly 3. The installation pipe is hollow cylinder, the installation of the installation pipe 3 of being convenient for and protection tube 203, and at the locking in-process, because the installation pipe 3 is connected with locking Assembly 4, can be fixed in on the installation pipe 2 with sample outer tube 202 and protection tube 203 through locking Assembly 4.
Referring to fig. 2 and 3, locking assembly 4 is used to lock coupon assembly 2. Specifically, the locking assembly 4 includes: a first locking member 401, a second locking member 402, and a third locking member 403; wherein, the inside of first retaining member 401, second retaining member 402 and third retaining member 403 all is the tubbiness. The first locking piece 401 is sleeved on the protection tube 203 and connected with the installation tube 3, a groove 404 is formed in the first locking piece 401, a sealing assembly 4 is arranged in the groove 404, and the sealing assembly 4 is in contact with the groove 404; the second locking member 402 is abutted against the first locking member 401, the second locking member 402 is sleeved on the protection tube 203, and a first conical surface is further arranged outside the second locking member 402; third retaining member 403 overlaps on protection tube 203, and third retaining member 403 can dismantle with first retaining member 401 and be connected, can dismantle and connect and indicate accessible screw thread, buckle etc. to connect, and third retaining member cover 403 is inside to be equipped with the second toper face, and second toper face contacts with first toper face. When the length of the sampling pipe assembly 1 needs to be adjusted, the third locking member 403 is detached from the first locking member 401, so that the sampling outer pipe 202 and the protection pipe 203 slide, and the length of the flue gas sampling pipe is adjusted, when the length meets the actual requirement, the third locking member 403 and the first locking member 401 are locked, after the third locking member 403 is locked, the second tapered surface can generate thrust to the first tapered surface of the second locking member 402, and the thrust is decomposed into radial force and axial force applied to the protection pipe 203 and the sampling outer pipe 202, so that the protection pipe 203 and the sampling outer pipe 202 are fixedly locked.
The sealing assembly 5 is used to seal the coupon assembly 2 and the mounting tube 3. With continued reference to fig. 2 and 3, in particular, the seal assembly 5 comprises: a seal ring 501 and a seal post 502; the sealing ring 501 is circular, the inner diameter of the sealing ring is equivalent to the outer diameter of the protection tube 203, the sealing ring is made of rubber materials, is positioned in the groove 404, is sleeved on the protection tube 203, and is in contact with the second locking piece 402; the sealing column 502 is a hollow cylinder made of rubber material, has a cross section the same as that of the sealing ring 501, is positioned in the groove 404, is sleeved on the protection tube 203, and is in contact with the sealing ring 501. If only a sealing ring is arranged in the groove 404, the first locking member 401 may damage the sealing ring 501 during the locking process, so that in order to prevent the first locking member 401 from damaging the sealing ring 501, a sealing column 502 with uniform stress is further arranged inside the groove 404. In the locking process, the axial force that third retaining member 403 produced can extrude sealing washer 501 and sealed post 502, through sealing washer 501, sealed post 502 and second retaining member 402, will take a sample inner tube 201, sample outer tube 202, protection tube 203 and installation pipe 3 are sealed for the flue gas of sample can only pass through sample inner tube 201 and sample outer tube 202, guarantees the gas tightness of flue gas sampling tube among the sampling process.
The sampling pipe base 6 samples flue gas of a flue, an exhaust pipe and the like. With continued reference to FIG. 2, in particular, the sample tube holder 6 is connected to an outer sample tube 202 and a protective tube 203. The sampling tube seat 6 is further provided with an air inlet end, and the air inlet end is communicated with the sampling outer tube 202, so that sampling smoke enters the sampling inner tube 201 from the sampling outer tube 202.
The filtering component 7 is used for filtering out impurities in the sampling smoke. With continued reference to FIG. 2, in particular, the filter assembly 7 is connected to the sample tube holder 6. In the sampling process, prevent that the inlet end of sample tube seat 6 from being blockked up by impurity, influencing normal sample, improved the reliability of flue gas sampling tube sample.
The embodiment provides a flue gas sampling tube, specific work flow is as follows: in actual work, when the length of the flue gas sampling tube does not meet the requirement, the third locking member 403 is detached from the first locking member 401, so that the sliding of the sampling outer tube 202 and the protection tube 203 is realized, when the length of the flue gas sampling tube meets the actual requirement, the third locking member 403 is locked with the first locking member 401, as the first conical surface is arranged outside the second locking member 402, and the second conical surface is arranged inside the third locking member 403, in the locking process, the second conical surface of the third locking member 403 can generate thrust to the first conical surface of the second locking member 402, and the thrust is decomposed into radial force and axial force applied to the protection tube 203 and the sampling outer tube 202, so that the protection tube 203 and the sampling outer tube 202 are fixedly locked; because the first locking member 401 is provided with the groove 404, the sealing ring 501 and the sealing column 502 are arranged in the groove 404, and the third locking member 403 can simultaneously generate axial force to press the sealing ring 501 and the sealing column 502 in the locking process, so that the sampling inner tube 201, the sampling outer tube 202 and the protection tube 203 are sealed with the installation tube 3.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. A flue gas sampling tube, comprising:
a sampling tube assembly;
the mounting tube is connected with the handle, the mounting tube is sleeved on the sampling tube assembly, and the sampling tube assembly can slide relative to the mounting tube;
a locking assembly, the locking assembly comprising:
the first locking piece is sleeved on the sampling tube assembly and connected with the mounting tube;
the second locking part is sleeved on the sampling tube assembly and is abutted against the first locking part, and a first conical surface is arranged outside the second locking part;
the third retaining member, the third retaining member overlap in on the sample tube subassembly, the inside second conical surface that is provided with of third retaining member, the second conical surface with first conical surface contacts, the third retaining member with the connection can be dismantled to first retaining member.
2. The flue gas sampling tube as set forth in claim 1, further comprising a seal assembly;
a groove is formed in the first locking piece, the sealing assembly is located in the groove, and the sealing assembly is sleeved on the sampling tube assembly.
3. The flue gas sampling tube as set forth in claim 2, wherein the seal assembly comprises:
the sealing ring is positioned in the groove, the sampling tube assembly is sleeved with the sealing ring, and the sealing ring is in contact with the second locking piece;
the sealing column is located in the groove and sleeved on the sampling tube assembly, and the sealing column is in contact with the sealing ring.
4. The flue gas sampling tube as set forth in claim 1, wherein the sampling tube assembly comprises:
the sampling inner tube is connected with the handle;
the sampling outer tube is sleeved on the sampling inner tube and can slide relative to the sampling inner tube;
the protection tube, first retaining member overlap in on the protection tube, the second retaining member overlap in on the protection tube, the third retaining member overlap in on the protection tube, the installation tube sleeve in on the protection tube, the protection tube cup joint in on the sample outer tube, the protection tube for installation tube slidable.
5. The flue gas sampling tube of claim 4, wherein the inner sampling tube, the outer sampling tube, and the protection tube are all polytetrafluoroethylene materials.
6. The flue gas sampling tube of claim 1, further comprising a sample tube base; the sampling tube seat is connected with the sampling tube assembly.
7. The flue gas sampling tube of claim 6, wherein the sampling tube base is provided with an air inlet end, the air inlet end is communicated with the sampling tube assembly, and the air inlet end is provided with a filter assembly.
8. A flue gas sampler comprising a flue gas sampling tube as claimed in any one of claims 1 to 7.
CN201922168836.3U 2019-12-05 2019-12-05 Flue gas sampling tube and flue gas sampler Active CN211205921U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922168836.3U CN211205921U (en) 2019-12-05 2019-12-05 Flue gas sampling tube and flue gas sampler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922168836.3U CN211205921U (en) 2019-12-05 2019-12-05 Flue gas sampling tube and flue gas sampler

Publications (1)

Publication Number Publication Date
CN211205921U true CN211205921U (en) 2020-08-07

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CN201922168836.3U Active CN211205921U (en) 2019-12-05 2019-12-05 Flue gas sampling tube and flue gas sampler

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113093840A (en) * 2021-03-12 2021-07-09 浙江盘毂动力科技有限公司 Industrial automation environmental control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113093840A (en) * 2021-03-12 2021-07-09 浙江盘毂动力科技有限公司 Industrial automation environmental control system

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